Chris Watts

NameChris Watts
Job titleZero Hours
Email addresschris.watts@rothamsted.ac.uk
DepartmentSustainable Agriculture Sciences Harpenden
Research clusterSAS-H: Soil Biology
ORCIDhttps://orcid.org/0000-0002-7223-1444
Preferred citationWatts, C. W.
OfficeHarpenden

Research outputs

Time-intensive geoelectrical monitoring under winter wheat

Blanchy, G., Virlet, N., Sadeghi-Tehran, P., Watts, C. W., Hawkesford, M. J., Whalley, W. R. and Binley, A. 2020. Time-intensive geoelectrical monitoring under winter wheat . Near Surface Geophysics.

Short-term changes in soil pore size distribution : Impact of land use

Jensen, J. L., Schjonning, P., Watts, C. W., Christensen, B. T. and Munkholm, L. J. 2020. Short-term changes in soil pore size distribution : Impact of land use. Soil & Tillage Research. 199, p. 104597.

Soil degradation and recovery – changes in organic matter fractions and structural stability

Jensen, J. L., Schjonning, P., Watts, C. W., Christensen, B. T, Obour, P. B. and Munkholm, L. J. 2020. Soil degradation and recovery – changes in organic matter fractions and structural stability . Geoderma. 364, p. 114181.

Soil organic carbon, extracellular polymeric substances (EPS), and soil structural stability as affected by previous and current land-use

Redmile-Gordon, M. A., Watts, C. W., Gregory, A. S. and White, R. P. 2020. Soil organic carbon, extracellular polymeric substances (EPS), and soil structural stability as affected by previous and current land-use. Geoderma. 363 (1st April), p. 114143.

Soil water contents for tillage : a comparison of approaches and consequences for the number of workable days

Obour, P. B., Keller, T., Jensen, J. L., Edwards, G., Lamande, M., Watts, C. W., Sorensen, C. G and Munkholm, L. J. 2019. Soil water contents for tillage : a comparison of approaches and consequences for the number of workable days . Soil & Tillage Research. 195, p. 104384.

Soil Water Retention: Uni-Modal Models of Pore-Size Distribution Neglect Impacts of Soil Management

Jensen, J. L., Schjonning, P., Watts, C. W., Christensen, B. T. and Munkholm, L. J. 2018. Soil Water Retention: Uni-Modal Models of Pore-Size Distribution Neglect Impacts of Soil Management. Soil Science Society of America Journal. 83 (1), pp. 18-26.

Hydrogeophysics for agriculture - Capabilities and Limitations

Blanchy, G., Watts, C. W. and Binley, A. 2019. Hydrogeophysics for agriculture - Capabilities and Limitations. Landwards. 74 (3), pp. 19(i-iii).

Relating soil C and organic matter fractions to structural stability

Jensen, J. L., Schjonning, P., Watts, C. W., Christensen, B. T., Peltre, C. and Munkholm, L. 2019. Relating soil C and organic matter fractions to structural stability. Geoderma. 337 (1 March), pp. 834-843.

A comparison of GPR early-time signal approaches for mapping changes in shallow soil water content

Algeo, J., Slater, L., Binley, A., Van Dam, R. L. and Watts, C. W. 2018. A comparison of GPR early-time signal approaches for mapping changes in shallow soil water content. Vadose Zone Journal. 17 (1), pp. 1-11.

Soil organic matter widens the range of water contents for tillage

Obour, P. B., Jensen, J. L., Lamande, M., Watts, C. W. and Munkholm, L. J. 2018. Soil organic matter widens the range of water contents for tillage. Soil & Tillage Research. 182 (October), pp. 57-65.

Converting loss-on-ignition to organic carbon content in arable topsoil: Pitfalls and proposed procedure

Jensen, J. L., Christensen, B. T., Schjonning, P., Watts, C. W. and Munkholm, L. J. 2018. Converting loss-on-ignition to organic carbon content in arable topsoil: Pitfalls and proposed procedure . European Journal of Soil Science.

Soil aggregate stability and macrofauna as indicators of soil health and sustainable agricultural systems

Stroud, J. L. and Watts, C. W. 2017. Soil aggregate stability and macrofauna as indicators of soil health and sustainable agricultural systems. International Fertiliser Society 810. International Fertiliser Society (IFS).

A novel dielectric tensiometer enabling precision PID-based irrigation control of polytunnel-grown strawberries in coir

Goodchild, M. S., Jenkins, M. D., Whalley, W. R. and Watts, C. W. 2018. A novel dielectric tensiometer enabling precision PID-based irrigation control of polytunnel-grown strawberries in coir. Biosystems Engineering. 165 (January), pp. 70-76.

Root growth in field-grown winter wheat: Some effects of soil conditions, season and genotype.

Hodgkinson, L., Dodd, I. C., Binley, A., Ashton, R. W., White, R. P., Watts, C. W. and Whalley, W. R. 2017. Root growth in field-grown winter wheat: Some effects of soil conditions, season and genotype. European Journal of Agronomy. 91 (November), pp. 74-83.

On the effectiveness of GPR early-time analysis for mapping soil water content

Van Dam, R. L., Alegro, J., Slater, L. D. and Watts, C. W. 2017. On the effectiveness of GPR early-time analysis for mapping soil water content. Proceedings 15th International Congress of the Brazillian Geophysical Society, Rio de Janeiro, 31st July-3rd August, 2017. Sociedade Brasileira de Geofisica. pp. 3pp doi:10.1190/sbgf2017-141

Improvement of soil structure and crop yield by adding organic matter to soil (AHDB Project Report No.576)

Whitmore, A. P., Watts, C. W., Stroud, J. L., Sizmur, T., Ebrahim, S. M., Pawlett, M., Harris, J., Ritz, K., Wallace, P., White, E., Stobart, R., McKenzie, B. and Thallon, G. 2017. Improvement of soil structure and crop yield by adding organic matter to soil (AHDB Project Report No.576). Stoneleigh Agriculture and Horticulture Development Board.

Soil texture analysis revisited: Removal of organic matter matters more than ever

Jensen, J. L., Schjonning, P., Watts, C. W., Christensen, B. T. and Munkholm, L. J. 2017. Soil texture analysis revisited: Removal of organic matter matters more than ever. PLOS ONE. 12 (5), p. 10p.

Milled cereal straw accelerates earthworm (Lumbricus terrestris) growth more than selected organic amendments

Sizmur, T., Martin, E., Wagner, K., Parmentier, E., Watts, C. W. and Whitmore, A. P. 2017. Milled cereal straw accelerates earthworm (Lumbricus terrestris) growth more than selected organic amendments. Applied Soil Ecology. 113 (May), pp. 166-177.

Methods to estimate changes in soil water for phenotyping root activity in the field

Whalley, W. R., Binley, A., Watts, C. W., Shanahan, P., Dodd, I. C., Ober, E. S., Ashton, R. W., Webster, C. P., White, R. P. and Hawkesford, M. J. 2017. Methods to estimate changes in soil water for phenotyping root activity in the field. Plant and Soil. 415 (1-2), pp. 407-422.

Population collapse of Lumbricus terrestris in conventional arable cultivations and response to straw applications

Stroud, J. L., Irons, D. E., Watts, C. W., White, R. P., McGrath, S. P. and Whitmore, A. P. 2016. Population collapse of Lumbricus terrestris in conventional arable cultivations and response to straw applications. Applied Soil Ecology. 108 (December), pp. 72-75.

Cover cropping with oilseed radish (Raphanus sativus) alone does not enhance deep burrowing earthworm (Lumbricus terrestris) midden counts

Stroud, J. L., Irons, D. E., Watts, C. W., Storkey, J., Morris, N. L., Stobart, R. M., Fielding, H. A. and Whitmore, A. P. 2017. Cover cropping with oilseed radish (Raphanus sativus) alone does not enhance deep burrowing earthworm (Lumbricus terrestris) midden counts. Soil & Tillage Research. 165 (January), pp. 11-15.

Long-term management changes in topsoil and subsoil organic carbon and nitrogen dynamics in a temperate agricultural system

Gregory, A. S., Dungait, J. A. J., Watts, C. W., Bol, R., Dixon, E. R., White, R. P. and Whitmore, A. P. 2016. Long-term management changes in topsoil and subsoil organic carbon and nitrogen dynamics in a temperate agricultural system. European Journal of Soil Science. 67 (4), pp. 421-430.

Lumbricus terrestris middens are biological and chemical hotspots in a minimum tillage arable ecosystem

Stroud, J. L., Irons, D. E., Carter, J. E., Watts, C. W., Murray, P. J., Norris, S. L. and Whitmore, A. P. 2016. Lumbricus terrestris middens are biological and chemical hotspots in a minimum tillage arable ecosystem. Applied Soil Ecology. 105, pp. 31-35.

Lumbricus terrestris abundance is not enhanced after three years of compost amendments on a reduced tillage wheat cultivation conversion

Stroud, J. L., Irons, D., Watts, C. W. and Whitmore, A. P. 2016. Lumbricus terrestris abundance is not enhanced after three years of compost amendments on a reduced tillage wheat cultivation conversion. Applied Soil Ecology. 98, pp. 282-284.

Deep roots and soil structure

Gao, W., Hodgkinson, L., Jin, K., Watts, C. W., Ashton, R. W., Shen, J., Ren, T., Dodd, I. C., Binley, A., Phillips, A. L., Hedden, P., Hawkesford, M. J. and Whalley, W. R. 2016. Deep roots and soil structure. Plant, Cell and Environment. 39 (8), pp. 1662-1668.

The use of electromagnetic induction to monitor changes in soil moisture profiles beneath different wheat genotypes

Shanahan, P. W., Binley, A., Whalley, W. R. and Watts, C. W. 2015. The use of electromagnetic induction to monitor changes in soil moisture profiles beneath different wheat genotypes. Soil Science Society of America Journal. 79, pp. 459-466.

The Rothamsted Long-term Experiments

Macdonald, A. J., Powlson, D. S., Poulton, P. R., Watts, C. W., Clark, I. M., Storkey, J., Hawkins, N. J., Glendining, M. J., Goulding, K. W. T. and McGrath, S. P. 2015. The Rothamsted Long-term Experiments. Valuing long-term sites and experiments for agriculture and ecology. Aspects of Applied Biology 128 . Association of Applied Biologists (AAB). pp. 1-10

Triaxial testing to determine the effect of soil type and organic carbon content on soil consolidation and shear deformation characteristics

Chakraborty, D., Watts, C. W., Powlson, D. S., Macdonald, A. J., Ashton, R. W., White, Robin P. and Whalley, W. R. 2014. Triaxial testing to determine the effect of soil type and organic carbon content on soil consolidation and shear deformation characteristics. Soil Science Society of America Journal. 78, pp. 1192-1200.

Estimating penetrometer resistance and matric potential from the velocities of shear and compression waves

Gao, W., Watts, C. W., Ren, T., Shin, H-C., Taherzadeh, S., Attenborough, K., Jenkins, M. and Whalley, W. R. 2013. Estimating penetrometer resistance and matric potential from the velocities of shear and compression waves. Soil Science Society of America Journal. 77, pp. 721-728.

Non-invasive characterization of pore-related and elastic properties of soils in linear Biot-Stoll theory using acoustic-to-seismic coupling

Shin, H-C., Taherzadeh, S., Attenborough, K., Whalley, W. R. and Watts, C. W. 2013. Non-invasive characterization of pore-related and elastic properties of soils in linear Biot-Stoll theory using acoustic-to-seismic coupling. European Journal of Soil Science. 64 (3), pp. 308-323.

A novel grass hybrid to reduce flood generation in temperate regions

Macleod, C. J. A., Humphreys, M. W., Whalley, W. R., Turner, L., Binley, A., Watts, C. W., Skot, L., Joynes, A., Hawkins, S., King, I. P., O'donovan, S. and Haygarth, P. M. 2013. A novel grass hybrid to reduce flood generation in temperate regions. Scientific Reports. 3, p. 1683.

Genotypic variation in the ability of wheat roots to penetrate wax layers

Whalley, W. R., Dodd, I. C., Watts, C. W., Webster, C. P., Phillips, A. L., Andralojc, P. J., White, Robin P., Davies, W. J. and Parry, M. A. J. 2013. Genotypic variation in the ability of wheat roots to penetrate wax layers. Plant and Soil. 364, pp. 171-179.

Natural capital and ecosystem services, developing an appropriate soils framework as a basis for valuation

Robinson, D. A., Hockley, N., Cooper, D. M., Emmett, B. A., Keith, A. M., Lebron, I., Reynolds, B., Tipping, E., Tye, A. M., Watts, C. W., Whalley, W. R., Black, H. I. J., Warren, G. P. and Robinson, J. S. 2013. Natural capital and ecosystem services, developing an appropriate soils framework as a basis for valuation. Soil Biology and Biochemistry. 57, pp. 1023-1033.

The effects of compaction and soil drying on penetrometer resistance

Gao, W., Watts, C. W., Ren, T. and Whalley, W. R. 2012. The effects of compaction and soil drying on penetrometer resistance. Soil & Tillage Research. 125, pp. 14-22.

Predicting penetrometer resistance from the compression characteristic of soil

Gao, W., Ren, T., Bengough, A. G., Auneau, L., Watts, C. W. and Whalley, W. R. 2012. Predicting penetrometer resistance from the compression characteristic of soil. Soil Science Society of America Journal. 76, pp. 361-369.

An assessment of a new model of dynamic fragmentation of soil with test data

Gregory, A. S., Bird, N. R. A., Watts, C. W. and Whitmore, A. P. 2012. An assessment of a new model of dynamic fragmentation of soil with test data. Soil & Tillage Research. 120, pp. 61-68.

Influence of organic matter on rheological properties of soil

Markgraf, W., Watts, C. W., Whalley, W. R., Hrkac, T. and Horn, R. 2012. Influence of organic matter on rheological properties of soil. Applied Clay Science. 64, pp. 25-33.

Estimating soil strength in the rooting zone of wheat

Whitmore, A. P., Whalley, W. R., Bird, N. R. A., Watts, C. W. and Gregory, A. S. 2011. Estimating soil strength in the rooting zone of wheat. Plant and Soil. 339, pp. 363-375.

Root water potential integrates discrete soil physical properties to influence ABA signalling during partial rootzone drying

Dodd, I. C., Egea, G., Watts, C. W. and Whalley, W. R. 2010. Root water potential integrates discrete soil physical properties to influence ABA signalling during partial rootzone drying. Journal of Experimental Botany. 61, pp. 3543-3551.

Soil management and grass species effects on the hydraulic properties of shrinking soils

Gregory, A. S., Webster, C. P., Watts, C. W., Whalley, W. R., Macleod, C. J. A., Joynes, A., Papadopoulos, A., Haygarth, P. M., Binley, A., Humphreys, M. W., Turner, L. B., Skot, L. and Matthews, G. P. 2010. Soil management and grass species effects on the hydraulic properties of shrinking soils. Soil Science Society of America Journal. 74, pp. 753-761.

Modeling dynamic fragmentation of soil

Bird, N. R. A., Watts, C. W., Tarquis, A. M. and Whitmore, A. P. 2009. Modeling dynamic fragmentation of soil. Vadose Zone Journal. 8 (1), pp. 197-201.

Aspects of soil strength and stability in relation to soil management

Watts, C. W. 2009. Aspects of soil strength and stability in relation to soil management. Abstracts UK-Brazil Workshop on Soil Quality and Soil Processes, Rio de Janeiro, 20-27 March 2009 .

Soil strength and its influence on crop growth and tillage

Watts, C. W. 2009. Soil strength and its influence on crop growth and tillage. Abstracts China-UK Workshop on Soils for Sustainable Agriculture, Beijing, 13-17 October 2009 .

Long-term effects of fertilizing systems on soil microstructure: rheological investigations of Rothamsted soils classifying stiffness degradation

Markgraf, W., Horn, R., Watts, C. W. and Whalley, W. R. 2009. Long-term effects of fertilizing systems on soil microstructure: rheological investigations of Rothamsted soils classifying stiffness degradation. ISTRO 18th Triennial Conference Proceedings, Izmir, Turkey, 15-19 June 2009 . pp. T4-025-1-8

Linking plant biology and soil physics to understand hillslope hydrology

Macleod, C. J. A., Binley, A., Clark, L. J., Gregory, A. S., Hawkins, S. L., Humphreys, M., Joynes, A., Papdopoulos, A., Skot, L., Stone, A., Turner, L. B., Watts, C. W., Webster, C. P., Whalley, W. R. and Haygarth, P. M. 2009. Linking plant biology and soil physics to understand hillslope hydrology. Abstracts European Geophysical Union General Assembly, Vienna, 19-24 April 2009 .

The effect of long-term soil management on the physical and biological resilience of a range of arable and grassland soils in England

Gregory, A. S., Watts, C. W., Griffiths, B. S., Hallett, P. D., Kuan, H. L. and Whitmore, A. P. 2009. The effect of long-term soil management on the physical and biological resilience of a range of arable and grassland soils in England. Geoderma. 153, pp. 172-185.

Wetting of agricultural soil measured by a simplified capillary rise technique

Matthews, G. P., Watts, C. W., Powlson, D. S., Price, J. C. and Whalley, W. R. 2008. Wetting of agricultural soil measured by a simplified capillary rise technique. European Journal of Soil Science. 59 (4), pp. 817-823.

The effects of simulated rain on the erosion threshold and biogeochemical properties of intertidal sediments

Tolhurst, T. J., Watts, C. W., Vardy, S., Saunders, J. E., Consalvey, M. C. and Paterson, D. M. 2008. The effects of simulated rain on the erosion threshold and biogeochemical properties of intertidal sediments. Continental Shelf Research. 28, pp. 1217-1230.

Functional resilience of soil microbial communities depends on both soil structure and microbial community composition

Griffiths, B. S., Hallett, P. D., Kuan, H. L., Gregory, A. S., Watts, C. W. and Whitmore, A. P. 2008. Functional resilience of soil microbial communities depends on both soil structure and microbial community composition. Biology And Fertility Of Soils. 44, pp. 745-754.

The effect of soil strength on yield of wheat

Whalley, W. R., Watts, C. W., Gregory, A. S., Mooney, S. J., Clark, L. J. and Whitmore, A. P. 2008. The effect of soil strength on yield of wheat. Plant and Soil. 306, pp. 237-247.

Physical resilience of soil to field compaction and the interactions with plant growth and microbial community structure

Gregory, A. S., Watts, C. W., Whalley, W. R., Kuan, H. L., Griffiths, B. S., Hallett, P. D. and Whitmore, A. P. 2007. Physical resilience of soil to field compaction and the interactions with plant growth and microbial community structure. European Journal of Soil Science. 58 (6), pp. 1221-1232.

The biological and physical stability and resilience of a selection of Scottish soils to stresses

Kuan, H. L., Hallett, P. D., Griffiths, B. S., Gregory, A. S., Watts, C. W. and Whitmore, A. P. 2007. The biological and physical stability and resilience of a selection of Scottish soils to stresses. European Journal of Soil Science. 58 (3), pp. 811-821.

A porous-matrix sensor to measure the matric potential of soil water in the field

Whalley, W. R., Clark, L. J., Take, W. A., Bird, N. R. A., Leech, P. K., Cope, R. E. and Watts, C. W. 2007. A porous-matrix sensor to measure the matric potential of soil water in the field. European Journal of Soil Science. 58 (1), pp. 18-25.

The role of clay, organic carbon and long-term management on mouldboard plough draught measured on the Broadbalk wheat experiment at Rothamsted

Watts, C. W., Clark, L. J., Poulton, P. R., Powlson, D. S. and Whitmore, A. P. 2006. The role of clay, organic carbon and long-term management on mouldboard plough draught measured on the Broadbalk wheat experiment at Rothamsted. Soil Use and Management. 22 (4), pp. 334-341.

The effects of rain on the erosion threshold of intertidal cohesive sediments

Tolhurst, T. J., Friend, P. L., Watts, C. W., Wakedfield, R., Black, K. S. and Paterson, D. M. 2006. The effects of rain on the erosion threshold of intertidal cohesive sediments. Aquatic Ecology. 40, pp. 533-541.

Calculation of the compression index and precompression stress from soil compression test data

Gregory, A. S., Whalley, W. R., Watts, C. W., Bird, N. R. A., Hallett, P. D. and Whitmore, A. P. 2006. Calculation of the compression index and precompression stress from soil compression test data. Soil & Tillage Research. 89, pp. 45-57.

Adverse effects of simulated harvesting of short-rotation willow and poplar coppice on vertical pressures and rut depths

Watts, C. W., Clark, L. J., Chamen, W. C. T. and Whitmore, A. P. 2005. Adverse effects of simulated harvesting of short-rotation willow and poplar coppice on vertical pressures and rut depths. Soil & Tillage Research. 84, pp. 192-199.

Biological and technical processes that mediate micro-aggregation of clays

Watts, C. W., Whalley, W. R., Brookes, P. C., Devonshire, B. J. and Whitmore, A. P. 2005. Biological and technical processes that mediate micro-aggregation of clays. Soil Science. 170, pp. 573-583.

In situ measurements of erosion shear stress and geotechnical shear strength of the intertidal sediments of the experimental managed realignment scheme at Tollesbury, Essex, UK

Watts, C. W., Tolhurst, T. J., Black, K. S. and Whitmore, A. P. 2003. In situ measurements of erosion shear stress and geotechnical shear strength of the intertidal sediments of the experimental managed realignment scheme at Tollesbury, Essex, UK. Estuarine, Coastal and Shelf Science. 58, pp. 611-620.

Aggregation of a soil with different cropping histories following the addition of organic materials

Watts, C. W., Whalley, W. R., Longstaff, D. J., White, Robin P., Brookes, P. C. and Whitmore, A. P. 2001. Aggregation of a soil with different cropping histories following the addition of organic materials. Soil Use and Management. 17 (4), pp. 263-268.

The effect of iron concentration, hindered settling, saturating cation and aggregate density of clays on the size distribution determined by gravitation X-ray sedimentometry

Watts, C. W., Whalley, W. R., Bird, N. R. A. and Ashman, M. R. 2000. The effect of iron concentration, hindered settling, saturating cation and aggregate density of clays on the size distribution determined by gravitation X-ray sedimentometry. European Journal of Soil Science. 51 (2), pp. 305-311.

2769 total views of outputs
792 total downloads of outputs
57 views of outputs this month
21 downloads of outputs this month