Software sensor monitoring and fuzzy control of biogas production

Ward, A. J., Hobbs, P. J., Ravella, S. R., Williams, J. S. and Retter, A. L. 2008. Software sensor monitoring and fuzzy control of biogas production. 13th RAMIRAN International Conference, 'Potential for simple technology solutions in organic manure management', Albena, Bulgaria, 11-14 June 2008.

Related outputs

Plant, soil and microbial controls on grassland diversity restoration: a long-term, multi-site mesocosm experiment

A - Papers appearing in refereed journals

Fry, E. L., Pilgrim, E. S., Tallowin, J. R. B., Smith, R. S., Mortimer, S. R., Beaumont, D. A., Simkin, J., Harris, S. J., Shiel, R. S., Quirk, H., Harrison, K. A., Lawson, C. S., Hobbs, P. J. and Bardgett, R. D. 2017. Plant, soil and microbial controls on grassland diversity restoration: a long-term, multi-site mesocosm experiment. Journal of Applied Ecology. February, pp. 1-11. https://doi.org/10.1111/1365-2664.12869

Oligopeptides represent a preferred source of organic N uptake: a global phenomenon?

A - Papers appearing in refereed journals

Farrell, M., Hill, P. W., Farrar, J., Deluca, T. H., Roberts, P., Kielland, K., Dahlgren, R., Murphy, D. V., Hobbs, P. J., Bardgett, R. D. and Jones, D. L. 2013. Oligopeptides represent a preferred source of organic N uptake: a global phenomenon? Ecosystems. 16, pp. 133-145. https://doi.org/10.1007/s10021-012-9601-8

Plant-soil interactions and grassland diversity restoration

C1 - Edited contributions to conferences/learned societies

Bardgett, R. D., Smith, R. S., Shiel, R. S., Tallowin, J. R. B., Mortimer, S. R., Brown, V. K., Pilgrim, E. S., Millward, D., Lawson, C., Harrison, K. A., Edwards, A. E., Hobbs, P. J., Sanderson, R., Harris, S. J., Beaumont, D. A., Murray, A. M., Wright, D. G. and Quirk, H. 2012. Plant-soil interactions and grassland diversity restoration. Restoring diverse grassland: what can be achieved where, and what will it do for us? Aspects of Applied Biology 115 . Association of Applied Biologists (AAB) Wellesbourne Warwick . pp. 31-34

Optimizing anaerobic digestion by selection of the immobilizing surface for enhanced methane production

A - Papers appearing in refereed journals

Adu-Gyamfi, N., Rao Ravella, S. and Hobbs, P. J. 2012. Optimizing anaerobic digestion by selection of the immobilizing surface for enhanced methane production. Bioresource Technology. 120, pp. 248-255. https://doi.org/10.1016/j.biortech.2012.06.042

Abiotic drivers and plant traits explain landscape-scale patterns in soil microbial communities

A - Papers appearing in refereed journals

De Vries, F. T., Manning, P., Tallowin, J. R. B., Mortimer, S. R., Pilgrim, E. S., Harrison, K. A., Hobbs, P. J., Quirk, H., Shipley, B., Cornelissen, J. H. C., Kattge, J. and Bardgett, R. D. 2012. Abiotic drivers and plant traits explain landscape-scale patterns in soil microbial communities. Ecology Letters. 15 (11), pp. 1230-1239. https://doi.org/10.1111/j.1461-0248.2012.01844.x

Impact of low lignin containing brown midrib sorghum mutants to harness biohydrogen production using mixed anaerobic consortia

A - Papers appearing in refereed journals

Prakasham, R. S., Brahmaiah, P., Nagaiah, D., Srinivasa Rao, P., Reddy, B. V. S., Sreenivas Rao, R. and Hobbs, P. J. 2012. Impact of low lignin containing brown midrib sorghum mutants to harness biohydrogen production using mixed anaerobic consortia. International Journal Of Hydrogen Energy. 37 (4), pp. 3186-3190. https://doi.org/10.1016/j.ijhydene.2011.11.082

Candida northwykensis sp. nov., a novel yeast isolated from the gut of the click beetle Melanotus villosus

A - Papers appearing in refereed journals

Rao Ravella, S., Donovan, N., James, S. A., Shivaji, S., Arunasri, K., Bond, C. J., Roberts, I. N. and Hobbs, P. J. 2011. Candida northwykensis sp. nov., a novel yeast isolated from the gut of the click beetle Melanotus villosus. Current Microbiology. 63, pp. 115-120. https://doi.org/10.1007/s00284-011-9952-y

Use of the Taguchi methodology to rank the importance of factors affecting emissions of N2O from incubated agricultural soils

C2 - Non-edited contributions to conferences

Cardenas, L. M., Garcia-Marco, S., Rao Ravella, S., Chadwick, D. R., Hobbs, P. J., Gregory, A. S. and Vallejo, A. 2011. Use of the Taguchi methodology to rank the importance of factors affecting emissions of N2O from incubated agricultural soils. European Geosciences Union (EGU).

Evaluation of near infrared spectroscopy and software sensor methods for determination of total alkalinity in anaerobic digesters

A - Papers appearing in refereed journals

Ward, A. J., Hobbs, P. J., Holliman, P. J. and Jones, D. L. 2011. Evaluation of near infrared spectroscopy and software sensor methods for determination of total alkalinity in anaerobic digesters. Bioresource Technology. 102, pp. 4083-4090. https://doi.org/10.1016/j.biortech.2010.12.046

Key unknowns in estimating atmospheric emissions from UK land management

A - Papers appearing in refereed journals

Misselbrook, T. H., Cape, J. N., Cardenas, L. M., Chadwick, D. R., Dragosits, U., Hobbs, P. J., Nemitz, E., Reis, S., Skiba, U. and Sutton, M. A. 2011. Key unknowns in estimating atmospheric emissions from UK land management. Atmospheric Environment. 45, pp. 1067-1074. https://doi.org/10.1016/j.atmosenv.2010.11.014

Brown mid-rib sorghum as a novel substrate for biofuel production

B - Book chapters etc edited externally

Srinivasa Rao, P., Sudheer Kumar, Y., Rao Ravella, S., Umakanth, A. V., Hobbs, P. J. and Reddy, B. V. S. 2010. Brown mid-rib sorghum as a novel substrate for biofuel production. in: Prakasham, R. S., Deshpande, S. and SrinivasaRao, P. (ed.) Brown midrib sorghum: current status and potential as novel ligno-cellulosic feedstock of bioenergy Lambert Academic Publishing, Saarbrucken. pp. 74-95

Isolation and phylogenetic analysis of extracellular polymeric substances producing bacterial strains from a biogas plant

C2 - Non-edited contributions to conferences

Arunasri, K., Rao Ravella, S., Retter, A. L., Hobbs, P. and Shivaji, S. 2010. Isolation and phylogenetic analysis of extracellular polymeric substances producing bacterial strains from a biogas plant. Abstracts 4th International Conference on Biofilms: Communities Bridging Disciplines, Winchester, 1-3 September 2010 .

Variations in extracellular polysaccharides content and microbial community in grassland soils

C2 - Non-edited contributions to conferences

Rao Ravella, S., Hobbs, P., Redmile-Gordon, M. A. and Retter, A. L. 2010. Variations in extracellular polysaccharides content and microbial community in grassland soils. Abstracts 4th International Conference on Biofilms: Communities Bridging Disciplines, Winchester, 1-3 September 2010 . pp. 50-51

Effect of biomass hydrolysis on biogas production

C2 - Non-edited contributions to conferences

Ravella Rao, S., Retter, A. L. and Hobbs, P. J. 2010. Effect of biomass hydrolysis on biogas production. Abstracts 14th Ramiran International Conference, Lisbon, 12-15 September 2010 .

Analysis of manures and biosolids via near infrared reflectance spectroscopy (NIRS)

C2 - Non-edited contributions to conferences

Smith, K. A., Barrow, C. C., Gahkani, A. S., Hobbs, P. J., Sagoo, E., Shelley, S. J. and Williams, J. R. 2010. Analysis of manures and biosolids via near infrared reflectance spectroscopy (NIRS). Abstracts 14th Ramiran International Conference, Lisbon, 12-15 September 2010 .

Benchmarking commercial biogas plants to improve performance

C2 - Non-edited contributions to conferences

Hobbs, P. J., Rao Ravella, S., Ward, A. J., Schattauer, A., Retter, A. L., Williams, J., Eder, M. and Amon, T. 2010. Benchmarking commercial biogas plants to improve performance. Abstracts 14th Ramiran International Conference, Lisbon, 12-15 September 2010 .

Microbial diversity of a methanogenic community present in a commercial biogas plant

C2 - Non-edited contributions to conferences

Arunasri, K., Rao Ravella, S., Hobbs, P., Mohd, A., Sunil, B., Retter, A. L. and Shivaji, S. 2010. Microbial diversity of a methanogenic community present in a commercial biogas plant. Abstracts Molecular Biology of Archaea II: a Biochemical Society Focused Meeting, Cambridge, 16-18 August 2010 .

Extracellular polysaccharide (EPS) production by a novel strain of yeast-like fungus Aureobasidium pullulans

A - Papers appearing in refereed journals

Rao Ravella, S., Suarez Quinones, T., Retter, A. L., Heiermann, M., Amon, T. and Hobbs, P. J. 2010. Extracellular polysaccharide (EPS) production by a novel strain of yeast-like fungus Aureobasidium pullulans. Carbohydrate Polymers. 82, pp. 728-732. https://doi.org/10.1016/j.carbpol.2010.05.039

Nitrous oxide emissions from small-scale farmland features of UK livestock farming systems

A - Papers appearing in refereed journals

Matthews, R. A., Chadwick, D. R., Retter, A. L., Blackwell, M. S. A. and Yamulki, S. 2010. Nitrous oxide emissions from small-scale farmland features of UK livestock farming systems. Agriculture, Ecosystems & Environment. 136, pp. 192-198. https://doi.org/10.1016/j.agee.2009.11.011

Microbial diversity and activity are increased by compost amendment of metal-contaminated soils

A - Papers appearing in refereed journals

Farrell, M., Griffith, G. W., Hobbs, P. J., Perkins, W. T. and Jones, D. L. 2010. Microbial diversity and activity are increased by compost amendment of metal-contaminated soils. FEMS Microbiology Ecology. 71, pp. 94-105. https://doi.org/10.1111/j.1574-6941.2009.00793.x

Cryptococcus shivajii sp. nov.: a novel basidiomycetous yeast isolated from biogas reactor

A - Papers appearing in refereed journals

Rao Ravella, S., James, S. A., Bond, C. J., Roberts, I. N., Cross, K., Retter, A. L. and Hobbs, P. J. 2010. Cryptococcus shivajii sp. nov.: a novel basidiomycetous yeast isolated from biogas reactor. Current Microbiology. 60, pp. 12-16. https://doi.org/10.1007/s00284-009-9493-9

Migration of heavy metals in soil as influenced by compost amendments

A - Papers appearing in refereed journals

Farrell, M., Perkins, W. T., Hobbs, P. J., Griffith, G. W. and Jones, D. L. 2010. Migration of heavy metals in soil as influenced by compost amendments. Environmental Pollution. 158, pp. 55-64. https://doi.org/10.1016/j.envpol.2009.08.027

Effect of the nitrification inhibitor dicyandiamide on microbial communities and N2O from an arable soil fertilized with ammonium sulphate

A - Papers appearing in refereed journals

Carneiro, J., Cardenas, L. M., Hatch, D. J., Trindade, H., Scholefield, D., Clegg, C. D. and Hobbs, P. J. 2010. Effect of the nitrification inhibitor dicyandiamide on microbial communities and N2O from an arable soil fertilized with ammonium sulphate. Environmental Chemistry Letters. 8, pp. 237-246. https://doi.org/10.1007/s10311-009-0212-3

Phosphorus recovery from wastewater by struvite crystallization: a review

A - Papers appearing in refereed journals

Le Corre, K. S., Valsami-Jones, E., Hobbs, P. J. and Parsons, S. A. 2009. Phosphorus recovery from wastewater by struvite crystallization: a review. Critical Reviews in Environmental Science and Technology. 39, pp. 433-477. https://doi.org/10.1080/10643380701640573

Novel yeasts from biogas reactors for ethanol production

C2 - Non-edited contributions to conferences

Rao Ravella, S. and Hobbs, P. J. 2009. Novel yeasts from biogas reactors for ethanol production. Abstracts Meeting on Yeast Cell Biology, Cold Spring Harbor, 11-15 August 2009 .

Enhanced production of xylanase by a newly isolated Aspergillus terreus under solid state fermentation using palm industrial waste: a statistical optimization

A - Papers appearing in refereed journals

Suvarna Lakshmi, G., Subba Rao, C., Sreenivas Rao, R., Hobbs, P. J. and Prakasham, R. S. 2009. Enhanced production of xylanase by a newly isolated Aspergillus terreus under solid state fermentation using palm industrial waste: a statistical optimization. Biochemical Engineering Journal. 48, pp. 51-57. https://doi.org/10.1016/j.bej.2009.08.005

Biohydrogen production from renewable agri-waste blend: optimization using mixer design

A - Papers appearing in refereed journals

Prakasham, R. S., Sathish, T., Brahmaiah, P., Subba Rao, C., Sreenivas Rao, R. and Hobbs, P. J. 2009. Biohydrogen production from renewable agri-waste blend: optimization using mixer design. International Journal Of Hydrogen Energy. 34, pp. 6143-6148. https://doi.org/10.1016/j.ijhydene.2009.06.016

Volatile C8 compounds and psuedomonads influence primordium formation of Agaricus bisporus

A - Papers appearing in refereed journals

Noble, R., Dobrovin-Pennington, A., Hobbs, P. J., Pederby, J. and Rodger, A. 2009. Volatile C8 compounds and psuedomonads influence primordium formation of Agaricus bisporus. Mycologia. 101, pp. 583-591. https://doi.org/10.3852/07-194

Bioenergy from permanent grassland - a review: 2. Combustion

A - Papers appearing in refereed journals

Prochnow, A., Heiermann, M., Plochl, M., Amon, T. and Hobbs, P. J. 2009. Bioenergy from permanent grassland - a review: 2. Combustion. Bioresource Technology. 100 (21), pp. 4945-4954. https://doi.org/10.1016/j.biortech.2009.05.069

Bioenergy from permanent grassland - a review: 1. Biogas

A - Papers appearing in refereed journals

Prochnow, A., Heiermann, M., Plochl, M., Linke, B., Idler, C., Amon, T. and Hobbs, P. J. 2009. Bioenergy from permanent grassland - a review: 1. Biogas. Bioresource Technology. 100 (21), pp. 4931-4944. https://doi.org/10.1016/j.biortech.2009.05.070

Aerating recycled water on mushroom composting sites affects its chemical analysis and the characteristics of odor emissions

A - Papers appearing in refereed journals

Noble, R., Dobrovin-Pennington, A., Wright, C., Hobbs, P. J. and Williams, J. 2009. Aerating recycled water on mushroom composting sites affects its chemical analysis and the characteristics of odor emissions. Journal of Environmental Quality. 38, pp. 1493-1500. https://doi.org/10.2134/jeq2008.0145

Current trends in biotechnological production of xylitol and future prospects

A - Papers appearing in refereed journals

Prakasham, R. S., Sreenivas Rao, R. and Hobbs, P. J. 2009. Current trends in biotechnological production of xylitol and future prospects. Current Trends in Biotechnology and Pharmacy. 3, pp. 8-36.

Bioremediation of poly-aromatic hydrocarbon (PAH)-contaminated soil by composting

A - Papers appearing in refereed journals

Loick, N., Hobbs, P. J., Hale, M. D. C. and Jones, D. L. 2009. Bioremediation of poly-aromatic hydrocarbon (PAH)-contaminated soil by composting. Critical Reviews in Environmental Science and Technology. 39 (4), pp. 271-332. https://doi.org/10.1080/10643380701413682

Will additional straw bedding in buildings housing cattle and pigs reduce ammonia emissions?

A - Papers appearing in refereed journals

Gilhespy, S. L., Webb, J., Chadwick, D. R., Misselbrook, T. H., Kay, R., Camp, V., Retter, A. L. and Bason, A. 2009. Will additional straw bedding in buildings housing cattle and pigs reduce ammonia emissions? Biosystems Engineering. 102, pp. 180-189. https://doi.org/10.1016/j.biosystemseng.2008.10.005

Optimisation of the anaerobic digestion of agricultural resources

A - Papers appearing in refereed journals

Ward, A. J., Hobbs, P. J., Holliman, P. J. and Jones, D. L. 2008. Optimisation of the anaerobic digestion of agricultural resources. Bioresource Technology. 99, pp. 7928-7940. https://doi.org/10.1016/j.biortech.2008.02.044

Characterization of recycled mushroom compost leachate by chemical analysis and thermogravimetry-mass spectrometry

A - Papers appearing in refereed journals

Lyons, G., Kilpatrick, M., Sharma, H. S. S., Noble, R., Dobrovin-Pennington, A., Hobbs, P. J., Andrews, F. and Carmichael, E. 2008. Characterization of recycled mushroom compost leachate by chemical analysis and thermogravimetry-mass spectrometry. Journal of Agricultural and Food Chemistry - JAFC. 56, pp. 6488-6497. https://doi.org/10.1021/jf800487e

Long-term change in vegetation and soil microbial communities during the phased restoration of traditional meadow grassland

A - Papers appearing in refereed journals

Smith, R. S., Shiel, R. S., Bardgett, R. D., Millward, D., Corkhill, P., Evans, P., Quirk, H., Hobbs, P. J. and Kometa, S. T. 2008. Long-term change in vegetation and soil microbial communities during the phased restoration of traditional meadow grassland. Journal of Applied Ecology. 45, pp. 670-679. https://doi.org/10.1111/j.1365-2664.2007.01425.x

The Taguchi methodology as a statistical tool for biotechnological applications: a critical appraisal

A - Papers appearing in refereed journals

Rao, R. S., Kumar, C. G., Prakasham, R. S. and Hobbs, P. J. 2008. The Taguchi methodology as a statistical tool for biotechnological applications: a critical appraisal. Biotechnology Journal. 3, pp. 510-523. https://doi.org/10.1002/biot.200700201

Optimising biogas fermentation using the Taguchi methodology

C1 - Edited contributions to conferences/learned societies

Ravella, S. R., Hobbs, P. J., Williams, J. S. and Retter, A. L. 2008. Optimising biogas fermentation using the Taguchi methodology. 13th RAMIRAN International Conference, 'Potential for simple technology solutions in organic manure management', Albena, Bulgaria, 11-14 June 2008.

Optimisation of biogas production from a microbial perspective

C1 - Edited contributions to conferences/learned societies

Hobbs, P. J., Ward, A. J., Ravella, S. R., Williams, J. S. and Retter, A. L. 2008. Optimisation of biogas production from a microbial perspective. 13th RAMIRAN International Conference, 'Potential for simple technology solutions in organic manure management', Albena, Bulgaria, 11-14 June 2008.

Studies on improving the immobilized bead reusability and alkaline protease production by isolated immobilized Bacillus circulans (MTCC 6811) using overall evaluation criteria

A - Papers appearing in refereed journals

Rao, Ch. S., Madhavendra, S. S., Ravella, S. R., Hobbs, P. J. and Prakasham, R. S. 2008. Studies on improving the immobilized bead reusability and alkaline protease production by isolated immobilized Bacillus circulans (MTCC 6811) using overall evaluation criteria. Applied Biochemistry and Biotechnology. 150, pp. 65-83. https://doi.org/10.1007/s12010-008-8147-x

Robust optimization of biogas production by investigating fermentation parameters

C2 - Non-edited contributions to conferences

Ravella, S. R., Ward, A. J. and Hobbs, P. J. 2007. Robust optimization of biogas production by investigating fermentation parameters. Workshop on Increasing the Uptake of Anaerobic Digestion, Exeter Univeristy, 3-4 September 2007.

Molecular characterization of microorganisms isolated from AD hydrolysis tank

C2 - Non-edited contributions to conferences

Ravella, S. R., Bhadra, B., Ward, A. J. and Hobbs, P. J. 2007. Molecular characterization of microorganisms isolated from AD hydrolysis tank. Workshop on Increasing the Uptake of Anaerobic Digestion, Exeter Univeristy, 3-4 September 2007.

Software sensors for the optimisation of biogas production

C2 - Non-edited contributions to conferences

Ward, A. J., Williams, H. S. and Hobbs, P. J. 2007. Software sensors for the optimisation of biogas production. Workshop on Increasing the Uptake of Anaerobic Digestion, Exeter Univeristy, 3-4 September 2007.

Social perception of benefits and barriers to biogas production in the UK

C2 - Non-edited contributions to conferences

Stevens, B., Hobbs, P. J. and Butler, A. 2007. Social perception of benefits and barriers to biogas production in the UK. Workshop on Increasing the Uptake of Anaerobic Digestion, Exeter Univeristy, 3-4 September 2007.

Investigation of the microbial community structure for improved biogas production

C2 - Non-edited contributions to conferences

Lindo, M., Retter, A. L., Ravella, S. R. and Hobbs, P. J. 2007. Investigation of the microbial community structure for improved biogas production. Workshop on Increasing the Uptake of Anaerobic Digestion, Exeter Univeristy, 3-4 September 2007.

Technical development of biogas production

C2 - Non-edited contributions to conferences

Hobbs, P. J., Ward, A. J., Pardo, G. and Ravella, S. R. 2007. Technical development of biogas production. Workshop on Increasing the Uptake of Anaerobic Digestion, Exeter Univeristy, 3-4 September 2007.

Impact of reactor operation on success of Struvite precipitation from synthetic liquors

A - Papers appearing in refereed journals

Le Corre, K. S., Valsami-Jones, E., Hobbs, P. J. and Parsons, S. A. 2007. Impact of reactor operation on success of Struvite precipitation from synthetic liquors. Environmental Technology. 28, pp. 1245-1256.

AM884910 Eubacterium sp. ADS17 partial 16S rRNA gene, strain ADS17

K - Protein or DNA sequences submitted to database

Ravella, S. R., Bhadra, B., Ward, A. and Hobbs, P. J. 2007. AM884910 Eubacterium sp. ADS17 partial 16S rRNA gene, strain ADS17.

AM884909 Propionibacterium sp. ADS25 partial 16S rRna gene, strain ADS25

K - Protein or DNA sequences submitted to database

Ravella, S. R., Bhadra, B., Ward, A. and Hobbs, P. J. 2007. AM884909 Propionibacterium sp. ADS25 partial 16S rRna gene, strain ADS25.

AM884908 Clostridium sp. ADS23 partial 16S rRNA gene, strain ADS23

K - Protein or DNA sequences submitted to database

Ravella, S. R., Bhadra, B., Ward, A. and Hobbs, P. J. 2007. AM884908 Clostridium sp. ADS23 partial 16S rRNA gene, strain ADS23.

AM884907 Bacillus sp. ADS12 partial 16S rRNA gene, strain ADS23

K - Protein or DNA sequences submitted to database

Ravella, S. R., Bhadra, B., Ward, A. and Hobbs, P. J. 2007. AM884907 Bacillus sp. ADS12 partial 16S rRNA gene, strain ADS23.

Impact of individual plant species on soil microbes and the potential for feedback to enhance biodiversity

C1 - Edited contributions to conferences/learned societies

Wright, D. G., Harrison, K. A., Quirk, H., Hobbs, P. J., Smith, R. S. and Bardgett, R. D. 2007. Impact of individual plant species on soil microbes and the potential for feedback to enhance biodiversity. Hopkins, J. J., Duncan, A. J., McCracken, D. I., Peel, S. and Tallowin, J. R. B. (ed.) 'High Value Grassland: providing biodiversity, a clean environment and premium products': Proceedings BGS/BES/BSAS Conference, Keele University, Staffs, 17-19 April 2007. British Grassland Society Occasional Symposium, 38. pp. 341-344

Changes in plant and soil microbial communities in a mesotrophic grassland trial

C1 - Edited contributions to conferences/learned societies

Smith, R. S., Shiel, R. S., Bardgett, R. D., Millward, D., Corkhill, P., Evans, P., Quirk, H. and Hobbs, P. J. 2007. Changes in plant and soil microbial communities in a mesotrophic grassland trial. Hopkins, J. J., Duncan, A. J., McCracken, D. I., Peel, S. and Tallowin, J. R. B. (ed.) 'High Value Grassland: providing biodiversity, a clean environment and premium products': Proceedings BGS/BES/BSAS Conference, Keele University, Staffs, 17-19 April 2007. British Grassland Society Occasional Symposium, 38. pp. 321-324

Biogas for agriculture

G - Articles in popular magazines and other technical publications

Hobbs, P. J., Ward, A. and Pardo. G. 2007. Biogas for agriculture. 11, pp. 45-47.

Diversification of grassland through manipulation of plant-soil interactions: The DIGFOR experiment

C1 - Edited contributions to conferences/learned societies

Bardgett, R. D., Smith, R. S., Shiel, R. S., Mortimer, S. R., Brown, V. K., Pilgrim, E. S., Millward, D., Lawson, C., Harrison, K. A., Edwards, A. E., Hobbs, P. J., Sanderson, R., Harris, S. J., Beaumont, D. A., Murray, A. M. and Quirk, H. 2007. Diversification of grassland through manipulation of plant-soil interactions: The DIGFOR experiment. Hopkins, J. J., Duncan, A. J., McCracken, D. I., Peel, S. and Tallowin, J. R. B. (ed.) 'High Value Grassland: providing biodiversity, a clean environment and premium products': Proceedings BGS/BES/BSAS Conference, Keele University, Staffs, 17-19 April 2007. British Grassland Society Occasional Symposium, 38. pp. 123-128

Heterotrophic microbial communities use ancient carbon following glacial retreat

A - Papers appearing in refereed journals

Bardgett, R. D., Richter, A., Bol, R., Garnett, M. H., Baumler, R., Xu, X., Lopez-Capel, E., Manning, D. A. C., Hobbs, P. J., Hartley, I. R. and Wanek, W. 2007. Heterotrophic microbial communities use ancient carbon following glacial retreat. Biology Letters. 3 (5), pp. 487-490. https://doi.org/10.1098/rsbl.2007.0242

Struvite crystallisation and recovery using a stainless steel structure as a seed material

A - Papers appearing in refereed journals

Le Corre, K. S., Valsami-Jones, E., Hobbs, P. J., Jefferson, B. and Parsons, S. A. 2007. Struvite crystallisation and recovery using a stainless steel structure as a seed material. Water Research. 41 (11), pp. 2449-2456. https://doi.org/10.1016/j.watres.2007.03.002

Agglomeration of struvite crystals

A - Papers appearing in refereed journals

Le Corre, K. S., Valsami-Jones, E., Hobbs, P. J. and Jefferson, B. 2007. Agglomeration of struvite crystals. Water Research. 41 (2), pp. 419-425. https://doi.org/10.1016/j.watres.2006.10.025

Nitrous oxide and methane emissions from unmanaged wet areas of intensive dairy systems

C1 - Edited contributions to conferences/learned societies

Matthews, R. A., Yamulki, S., Retter, A. L., Donovan, N., Chadwick, D. R. and Jarvis, S. C. 2006. Nitrous oxide and methane emissions from unmanaged wet areas of intensive dairy systems. Petersen, S. O. (ed.) Proceedings of 12th RAMIRAN International Conference, 'Technology for Recycling of Manure and Organic Residues in a Whole-Farm Perspective. DIAS Report No. 123, Vol. II, Danish Institute of Agricultural Sciences, Tjele, 11-13 September 2006. pp. 225-228

Influence of application rate and method on nitrogen losses from slurry applied to grassland

C1 - Edited contributions to conferences/learned societies

Misselbrook, T. H., Gilhespy, S. L., Yamulki, S., Camp, V., Donovan, N., Bulmer, N., Retter, A. L., Williams, J., Chambers, B. J., Sagoo, E. and Thorman, R. E. 2006. Influence of application rate and method on nitrogen losses from slurry applied to grassland. Petersen, S. O. (ed.) Proceedings of 12th RAMIRAN International Conference, 'Technology for Recycling of Manure and Organic Residues in a Whole-Farm Perspective. DIAS Report No. 123, Vol. II, Danish Institute of Agricultural Sciences, Tjele, 11-13 September 2006. pp. 281-283

Monitoring and optimisation of biogas production

C1 - Edited contributions to conferences/learned societies

Ward, A., Hobbs, P. J., Holliman, P. and Jones, D. L. 2006. Monitoring and optimisation of biogas production. 12th RAMIRAN International Conference: "Technology for recycling of manure and organic residues in a whole-farm perspective", Aarhus, Denmark 11-13 September 2006. pp. 123-126

Managing manure by a greater understanding of its metabolic profile? Adopting new technologies

C1 - Edited contributions to conferences/learned societies

Hobbs, P. J., Wade, M. J., Jones, R., Marley, C. L., Fraser, M. D., Williams, J. S. and Dhanoa, M. S. 2006. Managing manure by a greater understanding of its metabolic profile? Adopting new technologies. 12th RAMIRAN International Conference: "Technology for recycling of manure and organic residues in a whole-farm perspective", Aarhus, Denmark 11-13 September 2006. pp. 139-144

Optimising degradation of PAHs in soils using different composting approaches

C2 - Non-edited contributions to conferences

Loick, N., Hobbs, P. J., Hale, M. D. C. and Jones, D. L. 2006. Optimising degradation of PAHs in soils using different composting approaches. 12th RAMIRAN International Conference: "Technology for recycling of manure and organic residues in a whole-farm perspective", Aarhus, Denmark 11-13 September 2006.

Improving the efficiency and environmental impact of mushroom composting

D1 - Technical reports: non-confidential

Noble, R., Kilpatrick, M., Hobbs, P. J., Sharma, S., Dobrovin-Pennington, A. and Lyons, G. 2006. Improving the efficiency and environmental impact of mushroom composting.

Agricultural grasslands in the landscape: an issue of structural and spatial uniformity

G - Articles in popular magazines and other technical publications

Tallowin, J. R. B., Clegg, C. D., Hobbs, P. J. and Hopkins, A. 2006. Agricultural grasslands in the landscape: an issue of structural and spatial uniformity. IGER Innovations. 10, pp. 50-55.

Optimising organic resources

G - Articles in popular magazines and other technical publications

Chadwick, D. R., Hobbs, P. J., Laws, J. A., Misselbrook, T. H. and Yamulki, S. 2006. Optimising organic resources. IGER Innovations. 10, pp. 30-35.

Dependence of ammonia emissions from housing on the time cattle spent inside

A - Papers appearing in refereed journals

Gilhespy, S. L., Webb, J., Retter, A. L. and Chadwick, D. R. 2006. Dependence of ammonia emissions from housing on the time cattle spent inside. Journal of Environmental Quality. 35 (5), pp. 1659-1667. https://doi.org/10.2134/jeq2005.0294

Functional interpretation of gas composition

B - Book chapters etc edited externally

Hobbs, P. J. 2006. Functional interpretation of gas composition. in: Lens, P., Kennes, C., Le Cloirec, P. and Deshusses, M. A. (ed.) Waste gas treatment for resource recovery IWA Publishing. pp. 150-166

Parasitic plants indirectly regulate below-ground properties in grassland ecosystems

A - Papers appearing in refereed journals

Bardgett, R. D., Smith, R. S., Shiel, R. S., Peacock, S., Simkin, J. M., Quirk, H. and Hobbs, P. J. 2006. Parasitic plants indirectly regulate below-ground properties in grassland ecosystems. Nature. 439 (7079), pp. 969-972. https://doi.org/10.1038/nature04197

Monitoring and modelling trace-gas changes following the 2001 outbreak of Foot & Mouth Disease to reduce the uncertainties in agricultural emissions abatement

A - Papers appearing in refereed journals

Sutton, M. A., Dragosits, U., Simmons, I., Tang, Y. S., Hellsten, S., Love, L., Vieno, M., Skiba, U., Di Marco, C., Storeton-West, R. L., Fowler, D., Williams, J., North, P., Hobbs, P. J. and Misselbrook, T. H. 2006. Monitoring and modelling trace-gas changes following the 2001 outbreak of Foot & Mouth Disease to reduce the uncertainties in agricultural emissions abatement. Environmental Science & Policy. 9 (5), pp. 407-422. https://doi.org/10.1016/j.envsci.2006.04.001

Investigating the capacity of an activated sludge process to reduce volatile organic compounds and odor emissions

A - Papers appearing in refereed journals

Barbosa, V. L., Hobbs, P. J., Sneath, R. W., Burgess, Joanna, Callan, J. L. and Stuetz, R. M. 2006. Investigating the capacity of an activated sludge process to reduce volatile organic compounds and odor emissions. Water Environment Research. 78 (8), pp. 842-851. https://doi.org/10.2175/106143005X72876

Maximising phosphorus recovery from wastewater sludge by struvite crystallisation: Laboratory and pilot scale study on the impact of calcium on crystal size, shape and purity

C2 - Non-edited contributions to conferences

Le Corre, K. S., Valsami-Jones, E., Hobbs, P. J. and Parson, S. A. 2005. Maximising phosphorus recovery from wastewater sludge by struvite crystallisation: Laboratory and pilot scale study on the impact of calcium on crystal size, shape and purity. 3rd IWA Leading-Edge Conference & Exhibition on Water and Wastewater Treatment Technologies, Sapporo, Japan, 6-8 June 2005.

Measurement and abatement of ammonia emissions from hard standings used by livestock

C1 - Edited contributions to conferences/learned societies

Gilhespy, S. L., Camp, V., Retter, A. L., Misselbrook, T. H. and Webb, J. 2005. Measurement and abatement of ammonia emissions from hard standings used by livestock. Bernal, M. P., Moral, R., Clemente, C. and Paredes, C. (ed.) 11th International Conference of the FAO ESCORENA Network on Recycling of Agricultural, Municipal and Industrial Residues in Agriculture (RAMIRAN), Murcia, Spain, 6-9 October 2004. pp. 241-244

Predicting odour emissions from sewage sludge

C1 - Edited contributions to conferences/learned societies

Hobbs, P. J., Williams, J. S., Dhanoa, M. S. and Lovell, M. 2005. Predicting odour emissions from sewage sludge. Proceedings of the 3rd CIWEM National Conference, 6-8 September 2005.

Impact of calcium on struvite crystal size, shape and purity

A - Papers appearing in refereed journals

Le Corre, K. S., Valsami-Jones, E., Hobbs, P. J. and Parsons, S. A. 2005. Impact of calcium on struvite crystal size, shape and purity. Journal Of Crystal Growth. 283 (3-4), pp. 514-522. https://doi.org/10.1016/j.jcrysgro.2005.06.012

Manures and farm resources

G - Articles in popular magazines and other technical publications

Chadwick, D. R., Hobbs, P. J., Laws, J. A., Misselbrook, T. H. and Yamulki, S. S. 2005. Manures and farm resources. IGER Innovations. 9, pp. 60-63.

Ecological mechanisms affecting the restoration of diversity in agriculturally improved meadow grassland

D1 - Technical reports: non-confidential

Smith, R. S., Sheil, R. S., Bardgett, R. D., Millward, D., Corkhill, P., Evans, P., Quirk, H. and Hobbs, P. J. 2005. Ecological mechanisms affecting the restoration of diversity in agriculturally improved meadow grassland.

A rapid method for the determination of olfactory response from sulphide emissions

C1 - Edited contributions to conferences/learned societies

Hobbs, P. J., Williams, J. S. and Dhanoa, M. S. 2005. A rapid method for the determination of olfactory response from sulphide emissions. Proceedings of the 3rd CIWEM National Conference 2005. Aqua Enviro Technology Transfer.

Lysimeter experiments to determine the ability of soil to reduce concentrations of BOD, available P and inorganic N in dirty water

A - Papers appearing in refereed journals

Brookman, S. K. E., Chadwick, D. R. and Retter, A. L. 2005. Lysimeter experiments to determine the ability of soil to reduce concentrations of BOD, available P and inorganic N in dirty water. Environmental Technology. 26, pp. 1189-1204.

Investigation of the routes by which pathogens associated with livestock slurries and manure may be transferred from the farm to the wider environment

D1 - Technical reports: non-confidential

Avery, S., Haygarth, P. M., Hobbs, P. J., Chadwick, D. R., Anthony, S. G., Smith, K. A. and Williams, J. 2004. Investigation of the routes by which pathogens associated with livestock slurries and manure may be transferred from the farm to the wider environment. Department for Environment, Food and Rural Affairs (DEFRA).

Impact of calcium on struvite crystal size, shape and purity

C1 - Edited contributions to conferences/learned societies

Le Corre, K., Valsami-Jones, E., Hobbs, P. J. and Parsons, S. A. 2004. Impact of calcium on struvite crystal size, shape and purity. International Conference on Struvite: Its role in phosphorus recovery and reuse. Cranfield University, UK 17th - 18th June 2004.

Investigating additives for controlling odour from stored centrifuged digested sludge (biosolids)

C1 - Edited contributions to conferences/learned societies

Lovell, M. J., Hobbs, P. J., Williams, J. S., Chadwick, D. R. and Smith, R. S. 2004. Investigating additives for controlling odour from stored centrifuged digested sludge (biosolids). Environmental Odour Management, Cologne, Germany. 17-19 November 2004.

Controlling odour from stored centrifuged digested sludge (biosolids)

C1 - Edited contributions to conferences/learned societies

Lovell, M. J., Hobbs, P. J., Williams, J. S., Chadwick, D. S. and Smith, R. S. 2004. Controlling odour from stored centrifuged digested sludge (biosolids). Proceedings 9th Biosolids and Biowaste Conference, Wakefield, UK, 17-19 November 2004.

Pathogen export from grassland systems

G - Articles in popular magazines and other technical publications

Hobbs, P. J., Davies, D. R. and Haygarth, P. M. 2004. Pathogen export from grassland systems. IGER Innovations. 8, pp. 54-57.

The impacts of individual plant species on rhizosphere microbial communities in soils of different fertility

A - Papers appearing in refereed journals

Innes, L., Hobbs, P. J. and Bardgett, R. D. 2004. The impacts of individual plant species on rhizosphere microbial communities in soils of different fertility. Biology And Fertility Of Soils. 40 (1), pp. 7-13. https://doi.org/10.1007/s00374-004-0748-0

Measurement of pathogen transfer in aerosols following land application of manure

C2 - Non-edited contributions to conferences

Hobbs, P. J., Davies, D. R., Williams, J. S. and Warren, H. 2004. Measurement of pathogen transfer in aerosols following land application of manure. 11th International Conference of the FAO ESCORENA Network on Recycling of Agricultural, Municipal and Industrial Residues in Agriculture (RAMIRAN), Murcia, Spain, 6-9 October 2004. pp. 2

Quantifying odour emission from composting

C2 - Non-edited contributions to conferences

Hobbs, P. J., Noble, R., Williams, J. S. and Dobrovin-Pennington, A. 2004. Quantifying odour emission from composting. 11th International Conference of the FAO ESCORENA Network on Recycling of Agricultural, Municipal and Industrial Residues in Agriculture (RAMIRAN), Murcia, Spain, 6-9 October 2004. pp. 6

The potential of NH3, N2O and CH4 measurements following the 2001 outbreak of Foot and Mouth Disease to reduce the uncertainties in agriculture emissions abatement

A - Papers appearing in refereed journals

Sutton, M. A., Dragosits, U., Dore, A. J., McDonald, A. G., Tang, Y. S., van Dijk, N., Bantock, T., Hargreaves, K. J., Skiba, U., Simmons, I., Fowler, D., Williams, J. S., Brown, L., Hobbs, P. J. and Misselbrook, T. H. 2004. The potential of NH3, N2O and CH4 measurements following the 2001 outbreak of Foot and Mouth Disease to reduce the uncertainties in agriculture emissions abatement. Environmental Science & Policy. 7 (3), pp. 177-194. https://doi.org/10.1016/j.envsci.2004.02.006

Odour monitoring within waste management

B - Book chapters etc edited externally

Hobbs, P. J. 2004. Odour monitoring within waste management. in: Lens, P., Hamelers, B., Hoitink, H. and Bidlingmeier, W. (ed.) Resource recovery and reuse in organic solid waste management IWA Publishing. pp. 502-512

Emissions of volatile organic compounds originating from UK livestock agriculture

A - Papers appearing in refereed journals

Hobbs, P. J., Webb, J., Mottram, T. T., Grant, B. and Misselbrook, T. H. 2004. Emissions of volatile organic compounds originating from UK livestock agriculture. Journal of the Science of Food and Agriculture. 84 (11), pp. 1414-1420. https://doi.org/10.1002/jsfa.1810

Phosphorus recovery from unprocessed biosolids

B - Book chapters etc edited externally

Hobbs, P. J. 2004. Phosphorus recovery from unprocessed biosolids. in: Valsami-Jones, E. (ed.) Phosphorus in Environmental Technology. Principles and Applications IWA Publishing. pp. 507-520

New approaches to odour problems

G - Articles in popular magazines and other technical publications

Hobbs, P. J. 2003. New approaches to odour problems. Sensors for Water Interest Group (SWIG) Newsletter. (June), pp. 12-13.

A rapid and simple technique for digestion and determination of total phosphorus in animal manures and herbage

G - Articles in popular magazines and other technical publications

Hobbs, P. J. 2003. A rapid and simple technique for digestion and determination of total phosphorus in animal manures and herbage.

Factors responsible for suppressing fruiting body formation in edible mushrooms

C2 - Non-edited contributions to conferences

Hobbs, P. J., Noble, R., Dobrovin-Pennington, A. and Williams, J. S. 2003. Factors responsible for suppressing fruiting body formation in edible mushrooms. Poster 14th International Mass Spectrometry Conference, Edinburgh, 1-5 September 2003.

Emissions of volatile organic compounds originating from UK livestock agriculture

G - Articles in popular magazines and other technical publications

Hobbs, P. J. 2003. Emissions of volatile organic compounds originating from UK livestock agriculture.

Monitoring trace gases in the atmosphere to increase the certainty of emissions from agriculture

C2 - Non-edited contributions to conferences

Hobbs, P. J., Williams, J. S., Misselbrook, T. H., Sutton, M. A. and Dragosits, U. 2003. Monitoring trace gases in the atmosphere to increase the certainty of emissions from agriculture. Poster 7th British Grassland Society (BGS) Research Conference, Aberystwyth, UK, 1-3 September 2003.

Soil functioning in natural and planted woodlands on slate waste

C1 - Edited contributions to conferences/learned societies

Williamson, J., Jones, D., Rowe, E., Healey, J., Bardgett, R. D. and Hobbs, P. J. 2003. Soil functioning in natural and planted woodlands on slate waste. Moore, H. M., Fox, H. R. and Elliott, S. (ed.) Land Reclamation - Extending the Boundaries - Proceedings 7th International Conference, Runcorn, UK, 13 - 16 May 2003. A. A. Balkema, Rotterdam Netherlands. pp. 315-318

Odors from evaporation of acidified pig urine

C1 - Edited contributions to conferences/learned societies

Willers, H. C., Hobbs, P. J. and Ogink, N. W. M. 2003. Odors from evaporation of acidified pig urine. The Ninth International Symposium on Animal, Agricultural and Food Processing Wastes (ISAAFPW 2003); Second International Swine Housing Conference; Third International Conference On Air Pollution From Agricultural Operations ASAE Conference, NC, USA, 12-15 October 2003.

The use of volatile emissions as indices of sustainable agriculture.

G - Articles in popular magazines and other technical publications

Hobbs, P. J. 2003. The use of volatile emissions as indices of sustainable agriculture. IGER Innovations. 7, pp. 54-57.

Odour monitoring within waste management

G - Articles in popular magazines and other technical publications

Hobbs, P. J. 2003. Odour monitoring within waste management.

Soil microbial community, fertility, vegetation and diversity as targets in the restoration management of a meadow grassland

A - Papers appearing in refereed journals

Smith, R. S., Shiel, R. S., Bardgett, R. D., Millward, D., Corkhill, P., Rolph, G., Hobbs, P. J. and Peacock, S. 2003. Soil microbial community, fertility, vegetation and diversity as targets in the restoration management of a meadow grassland. Journal of Applied Ecology. 40 (1), pp. 51-64.

The impact of grassland management regime on the community structure of selected bacterial groups in soils

A - Papers appearing in refereed journals

Clegg, C. D., Lovell, R. D. and Hobbs, P. J. 2003. The impact of grassland management regime on the community structure of selected bacterial groups in soils. FEMS Microbiology Ecology. 43 (2), pp. 263-270. https://doi.org/10.1111/j.1574-6941.2003.tb01066.x

Development of an odour management strategy for mushroom composting

C1 - Edited contributions to conferences/learned societies

Noble, R. and Hobbs, P. J. 2002. Development of an odour management strategy for mushroom composting. Stuetz, R. (ed.) Odour 2. Odour management and treatment. Proceedings School of Water Sciences Conference, Cranfield University, 6 March 2002. IWA Publishing.

Contributions of non-methane volatile organic compounds to the atmosphere from UK agriculture

C1 - Edited contributions to conferences/learned societies

Hobbs, P. J., Webb, J., King, J. and Grant, B. 2002. Contributions of non-methane volatile organic compounds to the atmosphere from UK agriculture. Venglovsky, J. and Greserova, G. (ed.) Proceedings 10th International Conference of the FAO (Recycling of Agricultural, Municipal and Industrial Residues in Agriculture Network) RAMIRAN 2002 on 'Hygiene Safety', Strbske Pleso, High Tatras, Slovak Republic, 14-18 May 2002. pp. 223-226

Chemical indicators that determine olfactory response from pig and chicken manure

C1 - Edited contributions to conferences/learned societies

Hobbs, P. J., Misselbrook, T. H., Noble, R. and Persaud, K. C. 2002. Chemical indicators that determine olfactory response from pig and chicken manure. Venglovsky, J. and Greserova, G. (ed.) Proceedings 10th International Conference of the FAO (Recycling of Agricultural, Municipal and Industrial Residues in Agriculture Network) RAMIRAN 2002 on 'Hygiene Safety', Strbske Pleso, High Tatras, Slovak Republic, 14-18 May 2002. pp. 261-264

Sweet smell of success for research on compost odours

G - Articles in popular magazines and other technical publications

Hobbs, P. J. 2002. Sweet smell of success for research on compost odours.

Use of additional straw to reduce ammonia emissions from housed livestock

C2 - Non-edited contributions to conferences

Balsdon, S. L., Webb, J., Chadwick, D. R., Retter, A. L. and Day, J. 2002. Use of additional straw to reduce ammonia emissions from housed livestock. Poster 10th International Conference of the European cooperative network on recycling of agricultural, municipal and industrial residues in agriculture (RAMIRAN), Strbske Pleso, High Tatras, Slovak Republic, 14-18 May 2002.

Enchytraeid worm (Oligochaeta) influences on microbial community structure, nutrient dynamics and plant growth in blanket peat subjected to warming

A - Papers appearing in refereed journals

Cole, L., Bardgett, R. D., Ineson, P. and Hobbs, P. J. 2002. Enchytraeid worm (Oligochaeta) influences on microbial community structure, nutrient dynamics and plant growth in blanket peat subjected to warming. Soil Biology and Biochemistry. 34 (1), pp. 83-92.

Influence of straw types and nitrogen sources on mushroom composting emissions and compost productivity

A - Papers appearing in refereed journals

Noble, R., Hobbs, P. J., Mead, A. and Dobrovin-Pennington, A. 2002. Influence of straw types and nitrogen sources on mushroom composting emissions and compost productivity. Journal of Industrial Microbiology and Biotechnology. 29 (3), pp. 99-110. https://doi.org/10.1038/sj.jim.7000292

A rapid and simple technique for the digestion and determination of total phosphorus in animal manures and herbage

A - Papers appearing in refereed journals

Greaves, J. B., Hobbs, P. J. and Haygarth, P. M. 2002. A rapid and simple technique for the digestion and determination of total phosphorus in animal manures and herbage. Communications in Soil Science and Plant Analysis. 33 (9-10), pp. 1577-1587.

Horticultural Development Council Research review 4. Compost without the smell

G - Articles in popular magazines and other technical publications

Noble, R., Morgan, J. A. W., Dobrovin-Pennington, A. and Hobbs, P. J. 2001. Horticultural Development Council Research review 4. Compost without the smell. Mushroom Journal. 619, pp. 16-18.

Relationship between olfactory response and major odorants from organic wastes

C2 - Non-edited contributions to conferences

Hobbs, P. J., Misselbrook, T. H., Dhanoa, M. S. and Persaud, K. C. 2001. Relationship between olfactory response and major odorants from organic wastes. Abstract Conference on Odour Emissions From Wastewater Treatment Processes: Monitoring, Prevention and Control, Nottingham, UK, 30 October 2001.

A novel biological phosphate pump for livestock wastes

C2 - Non-edited contributions to conferences

Greaves, J., Haygarth, P. M. and Hobbs, P. J. 2001. A novel biological phosphate pump for livestock wastes. Poster Second International Conference on phosphate recovery from recycling from sewage and animal wastes, Noordwijkerhout, Holland, 12-13 March 2001.

The scope and contribution of volatile organic compounds to pollution from livestock

C2 - Non-edited contributions to conferences

Hobbs, P. J., Misselbrook, T. H., Cumby, T. R. and Mottram, T. T. 2001. The scope and contribution of volatile organic compounds to pollution from livestock. Abstract ASAE International Meeting, Sacramento, CA, USA, 30 July-1 August 2001. pp. Abstr. 014041

Odour analysis by gas chromatography

B - Book chapters etc edited externally

Hobbs, P. J. 2001. Odour analysis by gas chromatography. in: Stuetz, R. and Frechen, F. B. (ed.) Odours in Wastewater Treatment: Measurement, Modelling and Control IWA Publishing, London. pp. 155-178

Additives to reduce ammonia and odor emissions from livestock wastes: a review

A - Papers appearing in refereed journals

McCrory, D. F. and Hobbs, P. J. 2001. Additives to reduce ammonia and odor emissions from livestock wastes: a review. Journal of Environmental Quality. 30 (2), pp. 345-355.

Olfactory response to mushroom composting emissions as a function of chemical concentration

A - Papers appearing in refereed journals

Noble, R., Hobbs, P. J., Dobrovin-Pennington, A., Misselbrook, T. H. and Mead, A. 2001. Olfactory response to mushroom composting emissions as a function of chemical concentration. Journal of Environmental Quality. 30 (3), pp. 760-767. https://doi.org/10.2134/jeq2001.303760x

Development of a relationship between olfactory response and major odorants from organic wastes

A - Papers appearing in refereed journals

Hobbs, P. J., Misselbrook, T. H., Dhanoa, M. S. and Persaud, K. C. 2001. Development of a relationship between olfactory response and major odorants from organic wastes. Journal of the Science of Food and Agriculture. 81 (2), pp. 188-193. https://doi.org/10.1002/1097-0010(20010115)81:2<188::AID-JSFA800>3.0.CO;2-T

Cows with their heads in the clouds - dimethyl sulphide detected in cow's breath

G - Articles in popular magazines and other technical publications

Hobbs, P. J. and Mottram, T. T. 2000. Cows with their heads in the clouds - dimethyl sulphide detected in cow's breath.

Soil based treatment systems for dirty water

D1 - Technical reports: non-confidential

Brookman, S. K. E., Chadwick, D. R., Pain, B. F., Harrod, T. R. and Retter, A. L. 2000. Soil based treatment systems for dirty water. Institute of Grassland and Environmental Research IGER, North Wyke Okehampton.

Treatment of livestock wastes through the use of additives

D1 - Technical reports: non-confidential

Hobbs, P. J. and Merry, R. J. 2000. Treatment of livestock wastes through the use of additives.

Evidence of sequential decay in recycled paper sludge and pig manure mixtures

C1 - Edited contributions to conferences/learned societies

Hobbs, P. J., Johnson, R. H. and Chadwick, D. R. 2000. Evidence of sequential decay in recycled paper sludge and pig manure mixtures. Proceedings 8th International Symposium on Animal, Agricultural and Food Processing Wastes (ISAAFPW), Des Moines, Iowa, 9-11 October 2000. Americal Society of Animal Science. pp. 321-328

Relationship between olfactory response and major odorants from livestock wastes

C1 - Edited contributions to conferences/learned societies

Hobbs, P. J., Misselbrook, T. H., Dhanoa, M. S. and Persaud, K. C. 2000. Relationship between olfactory response and major odorants from livestock wastes. Proceedings 2nd International Conference on Air Pollution from Agricultural Operations, Des Moines, Iowa, 9-11 October 2000. American Society of Animal Science. pp. 305-312

Odour release from the Hercules Evaposcrubber

C2 - Non-edited contributions to conferences

Willers, H. C., Hobbs, P. J. and Ogink, N. W. M. 2000. Odour release from the Hercules Evaposcrubber. Proceedings of the Agricultural Engineering Conference, Warwick, July 2000.

Relationship between chemical composition and olfaction of decay odours

C1 - Edited contributions to conferences/learned societies

Hobbs, P. J., Misselbrook, T. H., Dhanoa, M. S. and Persaud, K. C. 2000. Relationship between chemical composition and olfaction of decay odours. Olfaction and the Electronic Nose. Proceedings of the 7th International Symposium, ISOEN 2000, Brighton, 20-24 July 2000. pp. 13-14

Structure and function of the soil microbial community in microhabitats of a heavy metal polluted soil

A - Papers appearing in refereed journals

Kandeler, E., Tscherko, D., Bruce, K. D., Stemmer, M., Hobbs, P. J., Bardgett, R. D. and Amelung, W. 2000. Structure and function of the soil microbial community in microhabitats of a heavy metal polluted soil. Biology And Fertility Of Soils. 32, pp. 390-400.

New Directions: Significant contributions of dimethyl sulphide from livestock to the atmosphere

A - Papers appearing in refereed journals

Hobbs, P. J. and Mottram, T. T. 2000. New Directions: Significant contributions of dimethyl sulphide from livestock to the atmosphere. Atmospheric Environment. 34 (21), pp. 3649-3650. https://doi.org/10.1016/S1352-2310(00)00170-9

Emission of odorous compounds from pig slurries

C1 - Edited contributions to conferences/learned societies

Hobbs, P. J., Misselbrook, T. H. and Pain, B. F. 1999. Emission of odorous compounds from pig slurries. Martinez, J. and Maudet, M. N. (ed.) RAMIRAN 98. Management Strategies for Organic Waste Use in Agriculture. Proceedings of the 8th International Conference of the FAO ESCORENA Network on Recycling of Agricultural, Municipal and Industrial Residues in Agriculture, Rennes, France, 26-29 May 1998. Volume 2. FAO / CEMAGREF, Rennes. pp. 243-250

Harnessing bacteria brings farming benefits

G - Articles in popular magazines and other technical publications

Hobbs, P. J. 1999. Harnessing bacteria brings farming benefits. The Furrow. (Autumn).

Stink busting boffins aim to de-pong the great British pig

G - Articles in popular magazines and other technical publications

Hobbs, P. J. 1999. Stink busting boffins aim to de-pong the great British pig. The Sunday Independent. (19 October 1999).

Eau de pig is a hit

G - Articles in popular magazines and other technical publications

Hobbs, P. J. 1999. Eau de pig is a hit. Times Higher Educational Supplement (THES). (8 October 1999).

Plant species and nitrogen effects on soil biological properties of temperate upland grasslands

A - Papers appearing in refereed journals

Bardgett, R. D., Mawdsley, J. L., Edwards, S., Hobbs, P. J., Rodwell, J. S. and Davies, W. J. 1999. Plant species and nitrogen effects on soil biological properties of temperate upland grasslands. Functional Ecology. 13 (5), pp. 650-660. https://doi.org/10.1046/j.1365-2435.1999.00362.x

Stable isotopes to investigate decay processes in farm waste

C2 - Non-edited contributions to conferences

Hobbs, P. J. 1999. Stable isotopes to investigate decay processes in farm waste. SIMSUG 1999, Annual Meeting of the Stable Isotope Mass Spectrometry Users Group, Exeter, 19-20 January 1999 (R Bol, SC Jarvis & LR Mytton, organisers).

Stable isotopes as a means of investigating decay processes in organic wastes

C2 - Non-edited contributions to conferences

Hobbs, P. J., Johnson, R. A. and Chadwick, D. R. 1999. Stable isotopes as a means of investigating decay processes in organic wastes. SIMSUG 1999, Book of Abstracts of the Annual Meeting of the Stable Isotope Mass Spectrometry Users Group, Exeter, UK, 19-20 January 1999 (R Bol, SC Jarvis & LR Mytton, organisers). Institute of Grassland and Environmental Research IGER, North Wyke Okehampton. pp. 52

Seasonal changes in soil microbial communities along a fertility gradient of temperate grasslands

A - Papers appearing in refereed journals

Bardgett, R. D., Lovell, R. D., Hobbs, P. J. and Jarvis, S. C. 1999. Seasonal changes in soil microbial communities along a fertility gradient of temperate grasslands. Soil Biology and Biochemistry. 31 (7), pp. 1021-1030.

Production and emission of odours and gases from ageing pig waste

A - Papers appearing in refereed journals

Hobbs, P. J., Misselbrook, T. H. and Cumby, T. R. 1999. Production and emission of odours and gases from ageing pig waste. Journal of Agricultural Engineering Research. 72 (3), pp. 291-298. https://doi.org/10.1006/jaer.1998.0372

Potential for reduction of odorous compounds in swine manure through diet modification

A - Papers appearing in refereed journals

Sutton, J. D., Kephart, K. B., Verstegen, M. W. A., Canh, T. T. and Hobbs, P. J. 1999. Potential for reduction of odorous compounds in swine manure through diet modification. Journal of Animal Science. 77, pp. 430-439. https://doi.org/10.2527/1999.772430x

Below-ground microbial community development in a high temperature world

A - Papers appearing in refereed journals

Bardgett, R. D., Kandeler, E., Tscherko, D., Hobbs, P. J., Bezemer, T. M., Jones, T. H. and Thompson, L. J. 1999. Below-ground microbial community development in a high temperature world. Oikos. 85 (2), pp. 193-203.

A novel technique to determine organic processes in pig wastes

A - Papers appearing in refereed journals

Hobbs, P. J., Johnson, R. H. and Chadwick, D. R. 1999. A novel technique to determine organic processes in pig wastes. Journal of the Science of Food and Agriculture. 79 (2), pp. 199-205. https://doi.org/10.1002/(SICI)1097-0010(199902)79:2<199::AID-JSFA158>3.0.CO;2-3

Prospects for the recovery of phosphorus from animal manures: a review

A - Papers appearing in refereed journals

Greaves, J. B., Hobbs, P. J., Chadwick, D. R. and Haygarth, P. M. 1999. Prospects for the recovery of phosphorus from animal manures: a review. Environmental Technology. 20 (7), pp. 697-708.

An experiment to determine the feasibility of automatically detecting hyperketonaemia in dairy cows

A - Papers appearing in refereed journals

Mottram, T. M., Dobbelaar, P., Schukken, Y., Hobbs, P. J. and Bartlett, P. N. 1999. An experiment to determine the feasibility of automatically detecting hyperketonaemia in dairy cows. Livestock Production Science. 61 (1), pp. 7-11.

Animal wastes as a potential source of recoverable phosphorus

C2 - Non-edited contributions to conferences

Hobbs, P. J., Haygarth, P. M. and Chadwick, D. 1998. Animal wastes as a potential source of recoverable phosphorus. International conference on phosphorus recovery from sewage and animal wastes. Warwick University, UK. 6-7 May 1998.

The response of soil microorganisms and roots to elevated CO2 and temperature in a terrestrial model ecosystem

A - Papers appearing in refereed journals

Kandeler, E., Tscherko, D., Bardgett, R. D., Hobbs, P. J., Kampichler, C. and Jones, T. H. 1998. The response of soil microorganisms and roots to elevated CO2 and temperature in a terrestrial model ecosystem. Plant and Soil. 202 (2), pp. 251-262.

Stable isotopes to investigate decay processes in farm wastes

C2 - Non-edited contributions to conferences

Hobbs, P. J., Chadwick, D. R. and Johnson, R. H. 1998. Stable isotopes to investigate decay processes in farm wastes. Eighth International Conference of the European Cooperative Research Network on Recycling of Agricultural, Municipal and Industrial Residues in Agriculture, Rennes, France, 26-29 May 1998.

Emission rates of odorous compounds from pig slurries

C2 - Non-edited contributions to conferences

Hobbs, P. J., Misselbrook, T. H. and Pain, B. F. 1998. Emission rates of odorous compounds from pig slurries. Eighth International Conference of the European Cooperative Research Network on Recycling of Agricultural, Municipal and Industrial Residues in Agriculture, Rennes, France, 26-29 May 1998.

Emission rates of odorous compounds from pig slurries

A - Papers appearing in refereed journals

Hobbs, P. J., Misselbrook, T. H. and Pain, B. F. 1998. Emission rates of odorous compounds from pig slurries. Journal of the Science of Food and Agriculture. 77 (3), pp. 341-348. https://doi.org/10.1002/(SICI)1097-0010(199807)77:3<341::AID-JSFA45>3.0.CO;2-9

Use of an electronic nose to measure odour concentration following application of cattle slurry to grassland

A - Papers appearing in refereed journals

Misselbrook, T. H., Hobbs, P. J. and Persaud, K. C. 1997. Use of an electronic nose to measure odour concentration following application of cattle slurry to grassland. Journal of Agricultural Engineering Research. 66, pp. 213-220.

Reduction of odorous compounds in pig manure by lowering dietary crude protein

G - Articles in popular magazines and other technical publications

Hobbs, P. J. and Misselbrook, T. H. 1997. Reduction of odorous compounds in pig manure by lowering dietary crude protein.

Preliminary investigation of breath sampling as a monitor of health in dairy cattle

A - Papers appearing in refereed journals

Elliott-Martin, R. J., Mottram, T. T., Gardner, J. W., Hobbs, P. J. and Bartlett, P. N. 1997. Preliminary investigation of breath sampling as a monitor of health in dairy cattle. Journal of Agricultural Engineering Research. 67, pp. 267-275.

Control of odours by dietary manipulation

B - Book chapters etc edited externally

Hobbs, P. J., Pain, B. F., Kay, R. M. and Lee. P. A. 1997. Control of odours by dietary manipulation. in: Voermans, J. A. M. and Monteny, G. J. (ed.) Ammonia and Odour Control from Animal Production Facilities NVTL, Rosmalen, the Netherlands. pp. 269-276

Control by dietary manipulation of emissions from pig slurry following landspreading

B - Book chapters etc edited externally

Misselbrook, T. H., Chadwick, D. R., Hobbs, P. J. and Pain, B. F. 1997. Control by dietary manipulation of emissions from pig slurry following landspreading. in: Voermans, J. A. M. and Monteny, G. J. (ed.) Ammonia and Odour Control from Animal Production Facilities NVTL, Rosmalen, the Netherlands. pp. 261-266

Characterisation of odorous compounds and emissions from slurries produced from weaner pigs fed dry feed and liquid diets

A - Papers appearing in refereed journals

Hobbs, P. J., Misselbrook, T. H. and Pain, B. F. 1997. Characterisation of odorous compounds and emissions from slurries produced from weaner pigs fed dry feed and liquid diets. Journal of the Science of Food and Agriculture. 73 (4), pp. 437-445. https://doi.org/10.1002/(SICI)1097-0010(199704)73:4<437::AID-JSFA748>3.0.CO;2-7

Application of unsupervised clustering methods to the assessment of malodour in agriculture using an array of conducting polymer odour sensors

A - Papers appearing in refereed journals

Byun, H. G., Persaud, K. C., Khaffaf, S. M., Hobbs, P. J. and Misselbrook, T. H. 1997. Application of unsupervised clustering methods to the assessment of malodour in agriculture using an array of conducting polymer odour sensors. Computers and Electronics in Agriculture. 17, pp. 233-247. https://doi.org/10.1016/S0168-1699(96)01307-5

Application of conducting polymer odour sensing arrays to malodour monitoring

C1 - Edited contributions to conferences/learned societies

Persaud, K. C., Payne, P. H., Khaffaf, S. M., Dowdeswell, R. M., Hobbs, P. J., Misselbrook, T. H. and Sneath, R. W. 1996. Application of conducting polymer odour sensing arrays to malodour monitoring. Electronic Nose. Digest of an Institution of Electrical Engineers Colloquium, London, 30 October 1996. Institution of Electrical Engineers, London.

Review of odor quantification

C1 - Edited contributions to conferences/learned societies

Hobbs, P. J. 1996. Review of odor quantification. International Livestock Odor Conference, Iowa State University, USA, 16-18 October 1995. pp. 160-162

Reduction of odorous compounds in fresh pig slurry by dietary control of crude protein

A - Papers appearing in refereed journals

Hobbs, P. J., Pain, B. F., Kay, R. M. and Lee, P. A. 1996. Reduction of odorous compounds in fresh pig slurry by dietary control of crude protein. Journal of the Science of Food and Agriculture. 71 (4), pp. 508-514.

Odours from farm waste

C1 - Edited contributions to conferences/learned societies

Hobbs, P. J. 1996. Odours from farm waste. Young, Stephen (ed.) IGER Annual Report 1995/96. Institute of Grassland and Environmental Research, IGER, Aberystwyth. pp. 61

Gaseous emissions of slurry from pigs offered low crude protein diets

C2 - Non-edited contributions to conferences

Hobbs, P. J., Pain, B. F., Misselbrook, T. H., Kay, R. M. and Lee, P. A. 1996. Gaseous emissions of slurry from pigs offered low crude protein diets. Proceedings of the British Society of Animal Science 112th Meeting, Scarborough, 18-20 March 1996.

Emission rates of volatile fatty acids, phenols and sulphides from organic wastes

C2 - Non-edited contributions to conferences

Hobbs, P. J., Misselbrook, T. H. and Pain, B. F. 1996. Emission rates of volatile fatty acids, phenols and sulphides from organic wastes. Euroanalysis IX, Bologna, Italy, 1-7 September 1996.

Dietary control of odors

C1 - Edited contributions to conferences/learned societies

Hobbs, P. J. 1996. Dietary control of odors. International Livestock Odor Conference, Iowa State University, USA, 16-18 October 1995. pp. 200-202

Detection of ketosis in dairy cows by analysis of exhaled breath

A - Papers appearing in refereed journals

Dobbelaar, P., Mottram, T., Nyabadza, C., Hobbs, P. J., Elliott-Martin, R. J. and Schukken, Y. H. 1996. Detection of ketosis in dairy cows by analysis of exhaled breath. Veterinary Quarterly. 18 (4), pp. 151-152.

Assessment of conducting polymer odour sensors for agricultural malodour measurements

A - Papers appearing in refereed journals

Persaud, K. C., Khaffaf, S. M., Hobbs, P. J. and Sneath, R. W. 1996. Assessment of conducting polymer odour sensors for agricultural malodour measurements. Chemical Senses. 21, pp. 495-505. https://doi.org/10.1093/chemse/21.5.495

Application of conducting polymer odour sensing arrays to agricultural malodour monitoring

C1 - Edited contributions to conferences/learned societies

Persaud, K. C., Khaffaf, S. M., Hobbs, P. J., Misselbrook, T. H. and Sneath, R. W. 1996. Application of conducting polymer odour sensing arrays to agricultural malodour monitoring. First International Conference on Air Pollution from Agricultural Operations, Kansas City, USA, 7-9 February 1996. pp. 249-253

The effects of changes in agricultural management on soil microbial populations of upland grasslands

C2 - Non-edited contributions to conferences

Bardgett, R. D., Leemans, D. K. and Hobbs, P. J. 1995. The effects of changes in agricultural management on soil microbial populations of upland grasslands. Demeter, A. and Peregovits, L. (ed.) Ecological Processes: Current Status and Perspectives. Proceedings of the Seventh European Ecological Congress, Hungarian Biological Society, Budapest, Hungary, 20-25 August 1995. pp. 145

Sampling and calibration methods to detect analytes in cows' breath

C1 - Edited contributions to conferences/learned societies

Dobbelaar, P., Mottram, T. T., Nyabadza, C., Hobbs, P. J., Elliott-Martin, R. J. and Schukken, Y. H. 1995. Sampling and calibration methods to detect analytes in cows' breath. van Arendonk, J. (ed.) Abstracts of the Annual Meeting of the European Association for Animal Production, Prague, Czech Republic, 4-7 September 1995. Wageningen Pers, Wageningen, Netherlands.

Relationships between soil microbial populations and above-ground flora in a floristically diverse grassland under management change

C2 - Non-edited contributions to conferences

Bardgett, R. D., Smith, R. S., Hobbs, P. J. and Donnison, L. M. 1995. Relationships between soil microbial populations and above-ground flora in a floristically diverse grassland under management change. Moore, J. C., Niles, R. K., Freckman, D. W. and Jacobs-Carre, C. (ed.) Integration of Above- and Below-Ground Communities: the Importance of Soil Biota and Processes to Above-Ground Ecosystem Maintenance and Development, Soil Ecology Society International Conference, 12-15 March 1995. Colorado State University, Fort Collins, USA. pp. 28

Odorous compounds and their emission rates from livestock waste

C2 - Non-edited contributions to conferences

Hobbs, P. J., Pain, B. F. and Misselbrook, T. H. 1995. Odorous compounds and their emission rates from livestock waste. New Knowledge in Livestock Odour Solutions, Proceedings of International Livestock Odor Conference, October 16-18, 1995, Iowa State University, USA, 16-18 October 1995&nbsp;. pp. 11-15

Odor reduction in fresh pig slurry by dietary manipulation of protein

C1 - Edited contributions to conferences/learned societies

Hobbs, P. J. and Pain, B. F. 1995. Odor reduction in fresh pig slurry by dietary manipulation of protein. International Livestock Odor Conference, Iowa State University, USA, 16-18 October 1995. pp. 5-10

Measurement of swine odor using electronic nose technology

C1 - Edited contributions to conferences/learned societies

Hobbs, P. J. 1995. Measurement of swine odor using electronic nose technology. International Round Table on Swine Odor Control, Proceedings, 13-15 June 1994. Iowa State University of Science and Technology. pp. 36-39

Interactions of grassland managements, soil fauna and microbial populations and activities

C1 - Edited contributions to conferences/learned societies

Cook, R., Bardgett, R. D., Denton, C. S., Donnison, L. M., Hobbs, P. J., Leemans, D. K. and Yeates, G. W. 1995. Interactions of grassland managements, soil fauna and microbial populations and activities. Pollott, G. E. (ed.) Grassland into the 21st Century: Challenges and Opportunities, British Grassland Society Occasional Symposium No 29, 50th Anniversary Meeting, Harrogate, UK, 4-6 December 1995. British Grassland Society (BGS) Hurley. pp. 159-160

Assessment of odours from livestock wastes by a photoionization detector, an Electronic Nose, olfactometry and gas chromatography - mass spectrometry

A - Papers appearing in refereed journals

Hobbs, P. J., Misselbrook, T. H. and Pain, B. F. 1995. Assessment of odours from livestock wastes by a photoionization detector, an Electronic Nose, olfactometry and gas chromatography - mass spectrometry. Journal of Agricultural Engineering Research. 60 (2), pp. 137-144. https://doi.org/10.1006/jaer.1995.1007

Relationships between soil microbial populations and plant communities in upland grasslands and meadows under management change

C2 - Non-edited contributions to conferences

Bardgett, R. D., Hobbs, P. J., Leemans, D. K. and Smith, R. S. 1994. Relationships between soil microbial populations and plant communities in upland grasslands and meadows under management change. British Ecological Society Winter Meeting, 20-22 December 1994, Birmingham University.

Microbial community structure in differently managed upland grassland soils: analysis of fungal and bacterial phospholipid fatty acids

C2 - Non-edited contributions to conferences

Bardgett, R. D. and Hobbs, P. J. 1994. Microbial community structure in differently managed upland grassland soils: analysis of fungal and bacterial phospholipid fatty acids. Fifth International Mycological Congress, 14-21 August 1994, Vancouver, Canada.

Effects of livestock wastes on the structure of microbial populations in two contrasting grassland soils

D1 - Technical reports: non-confidential

Bardgett, R. D., Hobbs, P. J. and Pain, B. F. 1994. Effects of livestock wastes on the structure of microbial populations in two contrasting grassland soils.