Type
Number of items: 106.
The fumigation-extraction method: a breakthrough in measuring microbial biomass in soils following straw incorporation. (1989)
Ocio, J. A., Brookes, Philip
How safe is water? (1989)
Addiscott, Tom
The control of seed and soil-borne fungi by fungicides in pelleted seed. (1989)
Asher, M. J. C., Payne, P. A.
Optimal multi-variable sampling schemes for remote sensing investigations. (1989)
Atkinson, P. M., Webster, Richard, Curran, P. J.
Root growth and nutrient uptake by field crops under temperate conditions. (1989)
Barraclough, P. B.
Morphogenetic response of isogenic lines of Triticale differing in their content of heterochromatin. (1989)
Bebeli, P. J., Karp, Angela, Kaltsikes, P. J.
Measurement and prediction of chlorsulfuron persistence in soil following autumn and spring application. (1989)
Blair, A. M., Martin, T. D., Walker, A., Welch, S. J.
Designing molecules for systemicity. (1989)
Bromilow, Richard, Chamberlain, Keith
The microbial biomass in soil. (1989)
Brookes, Philip
The use of ATP measurements in soil microbial biomass studies. (1989)
Brookes, Philip, Ocio, J. A.
ATP and adenylate energy charge levels in the soil microbial biomass. (1989)
Brookes, Philip, Jenkinson, David
The role of the soil microbial biomass in substrate decomposition and in the turnover of soil organic matter. (1989)
Brookes, Philip, Ocio, J. A., Wu, J.
Monitoring, forecasting and control of cereal aphids: some recent developments in England. (1989)
Carter, N.
The role of natural enemies in arable crops. (1989)
Carter, N.
Soils as indicators of Quaternary climatic cycles. (1989)
Catt, John
Methods for enumerating airborne micro-organisms in the workplace. (1989)
Crook, B., Lacey, J.
Airborne dust and micro-organisms in pig houses: sampling to determine human health effects. (1989)
Crook, B., Travers, S. A., Lacey, J., Topping, M. D.
Interaction of cyst nematodes with their natural antagonists. (1989)
Crump, D. H.
Interaction of cyst nematodes with their natural antagonists. (1989)
Crump, D. H.
The performance of a range of grass species under two fertilizer regimes in the Falkland Islands. (1989)
Davies, A. B., Riley, J.
Results of the co-operative trials on pesticides in pelleted seeds, 1987-1988. (1989)
Dewar, A. M.
The effects of three clover proportions within a sward on the performance of dairy cows. (1989)
Dumont, J. C., Clements, A. J., Huckle, C. A., Wilkins, R. J.
Irrigating sugar beet in the United Kingdom. (1989)
Dunham, R. J.
Pyrethroids - past, present and future. (1989)
Elliott, Michael
Agronomic factors influencing the glucosinolate content of double-low winter-sown oilseed rape in the UK. (1989)
Evans, E. J., Bilsborrow, P. E., Milford, G. F. J., Fieldsend, J. K., Porter, A. J. R., Rawlinson, C. J.
Nematode problems in oilseed rape. (1989)
Evans, K., Webb, R. M.
Effects of leaf age and position on splash dispersal of Pseudocercosporella capsellae , cause of white leaf spot on oilseed rape. (1989)
Fitt, Bruce, Dhua, U., Lacey, M. E., McCartney, H. A.
Barley yellow dwarf in Portugal - II Incidence of BYDV isolates and aphid flights in the south region. (1989)
Forde, S. M. D., Lourenco, A. C., Plumb, Roger, Pereira, A. M., Sequeira, O. A.
Shotgun cloning by direct gene transfer: optimisation of DNA transfer conditions. (1989)
Gallois, P., Lindsey, K., Jones, M. G. K., Kreis, M.
Effect of glucosinolates on slug damage to oilseed rape. (1989)
Glen, D. M., Jones, Huw, Fieldsend, J. K.
The extent to which physical factors in the rooting zone limit crop growth. (1989)
Goss, M. J., Barraclough, P. B., Powell, B. A.
Potassium fixation and release. (1989)
Goulding, Keith
Denitrification losses of nitrogen from arable soils as affected by old and new organic matter from leys and farmyard manure. (1989)
Goulding, Keith, Webster, Colin
Multiple correspondence analysis and non-linear biplots. (1989)
Gower, John
Management of crop residues. (1989)
Harper, S. H. T.
A selenium budget for upland grasslands in the British Isles, with emphasis on inputs from and losses to the atmosphere. (1989)
Haygarth, Philip, Jones, K. C., Harrison, A. F.
A new group of molluscicidal compounds. (1989)
Henderson, I. F., Briggs, G. G., Coward, N. P., Dawson, G. W., Pickett, John, Bullock, J. I., Larkworthy, L. F.
Variations of barley yellow dwarf virus content over time in spring and winter barleys, whether or not carrying the resistance Yd2 gene. (1989)
Herrera, G., Plumb, Roger
Field release of rhizobia marked with a transposon. (1989)
Hirsch, Penny, Spokes, J. R.
Monitoring genetically manipulated rhizobial inoculants following intentional introduction in agricultural soils. (1989)
Hirsch, Penny, Spokes, J. R., Klingmuller, W., Dohler, K., Amarger, N., Delgutte, D.
A comparison of the fumigation-extraction, fumigation-incubation and ATP methods for measuring microbial biomass in waterlogged soils. (1989)
Inubushi, K., Brookes, Philip, Jenkinson, David
Benefits from long-term ecological research; some examples from Rothamsted. (1989)
Johnston, Johnny
picture_as_pdf
Phosphorus cycling in intensive arable agriculture. (1989)
Johnston, Johnny
Ways of overcoming constraints to reduced tillage; effect of changing straw disposal on soil nitrogen. (1989)
Johnston, Johnny
The role of nitrogen in agriculture. (1989)
Johnston, Johnny
The value of long-term experiments in agricultural research. (1989)
Johnston, Johnny
Accumulation and loss of nitrogen from manure, sludge and compost: long-term experiments at Rothamsted and Woburn. (1989)
Johnston, Johnny, McGrath, Steve, Poulton, Paul, Lane, P. W.
picture_as_pdf
Genetic engineering and its implications for crop production. (1989)
Jones, M. G. K.
Isolation and culture of protoplasts from specific tissues: dedifferentiation and regeneration. (1989)
Jones, M. G. K.
Molecular, pathological and field evaluation of somatic hybrids between potato and Solanum brevidens . (1989)
Jones, M. G. K.
Transfer of resistance to potato viruses by somatic hybridisation and field assessment under AGGM guidelines. (1989)
Jones, M. G. K., Dunckley, R., Pehu, E., Gibson, R. W.
Improving potatoes. (1989)
Jones, M. G. K., Dunckley, R., Steele, Sue, Pehu, E., Karp, Angela, Gibson, R. W.
The analysis and detection of sequence variation of beet western yellows virus. (1989)
Jones, T. D. K., Buck, K. W., Plumb, Roger
Rhizobium meliloti FIXGHI and FIXNOQP sequences predict involvement of a specific cation pump and of a cytochrome in symbiotic nitrogen fixation. (1989)
Kahn, D., Boistard, P., David, M., Da Veran Mingot, M. L., Hirsch, Penny, Batut, J.
Airborne health hazards from agricultural materials. (1989)
Lacey, J.
Pre- and post-harvest ecology of fungi causing spoilage of food and feeds. (1989)
Lacey, J.
Microscopic methods for enumerating microorganisms in filter samples. (1989)
Lacey, J., Eduard, W., Karlsson, K., Palmgren, U., Strom, G., Blomquist, G.
Effects of foliar-applied ureaon leaf composition, photosynthesis and grain quality and yield. (1989)
Lawlor, David, Milford, G. F. J., Mitchell, Valerie, Mitchell, Rowan
Potassium concentrations in whole plants and cells in relation to growth. (1989)
Leigh, Roger
Potassium concentrations in whole plants and cells in relation to growth. (1989)
Leigh, Roger
Control of soil-borne root pathogens in grass seedlings. (1989)
Lewis, G. C., Clements, R. O.
The efficiency of sticky traps. (1989)
Macaulay, E. D. M.
The perfect stage of Pyrenopeziza brassicae on oilseed rape and its agricultural implications. (1989)
McCartney, H. A., Lacey, M. E., Rawlinson, C. J.
Existing soil protection guidelines which limit concentrations of heavy metals in British soils. (1989)
McGrath, Steve
Investigations of the mobility, availability and effects of heavy metal contamination in soil. (1989)
McGrath, Steve, Brookes, Philip, Giller, K. E.
Physiological aspects of water in the crop. (1989)
Milford, G. F. J.
Changes in glucosinolate concentrations during the vegetative growth of single- and double-low cultivars of winter oilseed rape. (1989)
Milford, G. F. J., Fieldsend, J. K., Porter, A. J. R., Rawlinson, C. J., Evans, E. J., Bilsborrow, P. E.
A novel approach for intracellular nitrate measurement. (1989)
Miller, Tony, Zhen, R-G.
Immunoassay for detecting insecticide resistance in aphids. (1989)
Moores, G. D., Ffrench-Constant, R. H., Devonshire, A. L.
GC-MS analysis of pheromones/kairomones. (1989)
Mudd, A.
HPLC-Plasmaspray analysis of natural products. (1989)
Mudd, A.
Crop protection agents in soils and factors influencing their entry into soil water. (1989)
Nicholls, P. H.
Predicting the availability of soil-applied pesticides. (1989)
Nicholls, P. H.
A two-stage sampling procedure for determining variograms of soil properties. (1989)
Oliver, M. A., Webster, Richard
Ri T-DNA genes in potato. (1989)
Ooms, G., Risiott, R., Phelpstead, J.
Cytogenetical analysis of parental genome stabilities in somatic hybrids of Solanum tuberosum and S. brevidens using species-specific probes. (1989)
Pehu, E., Gibson, R. W., Karp, Angela, Jones, M. G. K.
Identification and characterisation of Solanum brevidens and Solanum tuberosum specific DNA sequences and their use in a somatic hybridisation programme. (1989)
Pehu, E., Karp, Angela, Gibson, R. W., Thomas, M., Malone, R., Jones, M. G. K.
Cytogenetical analysis of parental genome stabilities in somatic hybrids of Solanum tuberosum and S. brevidens using species-specific probes. (1989)
Pehu, E., Karp, Angela, Thomas, M., Clarke, M., Jones, M. G. K.
Soil, water and nutrient dynamics in a silvopastoral system. (1989)
Penn, M., Parkinson, R. J., Scholefield, D., Williams, A. J.
Aspects of the hatching physiology of Globodera rostochiensis and G. pallida . (1989)
Perry, Roland
Root diffusates and hatching factors. (1989)
Perry, Roland
Root diffusates and hatching factors. (1989)
Perry, Roland
Integrated control of barley yellow dwarf viruses. (1989)
Plumb, Roger
Characteristics of Cl- transport at the vacuolar membrane of higher plants measured using a Cl- sensitive fluorescent probe. (1989)
Pope, A. J., Jennings, R., Sanders, D., Leigh, Roger
Leaching of nitrate from soils receiving organic or inorganic fertilizers continuously for 135 years. (1989)
Powlson, David, Poulton, Paul, Addiscott, Tom, Mccann, D. S.
Pyrenopeziza brassicae . (1989)
Rawlinson, C. J.
Diseases and responses to disease and pest control on single- and double-low cultivars of winter oilseed rape. (1989)
Rawlinson, C. J., Doughty, K. J., Bock, C. H., Church, V. J., Milford, G. F. J., Fieldsend, J. K.
Prediction of voluntary intake of grass silage by growing cattle using ridge regression. (1989)
Rook, A. J., Gill, M., Dhanoa, M. S.
Insecticide resistance management revisited. (1989)
Sawicki, R. M., Denholm, Ian
The tobacco whitefly field control simulator - a bridge between laboratory assays and field evaluation. (1989)
Sawicki, R. M., Rowland, M. W., Byrne, F. J., Pye, B. J., Devonshire, A. L., Denholm, Ian, Hackett, B. S., Stribley, M. F.
The structure and functionality of wheat gluten proteins. (1989)
Shewry, Peter, Halford, Nigel, Field, J. M., Tatham, A. S.
The structure and functionality of wheat gluten proteins. (1989)
Shewry, Peter, Halford, Nigel, Field, J. M., Tatham, A. S.
Aphid migration and forecasting. (1989)
Tatchell, Mark, Woiwod, Ian
A potential management system for reducing losses from grazed grass in autumn. (1989)
Titchen, N. M., Philipps, L., Wilkins, R. J.
Strategies of fertilizer nitrogen application to grassland for beef: effects on production and soil mineral nitrogen. (1989)
Titchen, N. M., Wilkins, R. J., Philipps, L., Scholefield, D.
The biosynthesis of amino acids in plants. (1989)
Wallsgrove, R. M.
Computer simulation of nitrogen dynamics in soil. (1989)
Whitmore, Andy
Possible developments in grassland farming and implications for fertiliser N use. (1989)
Wilkins, R. J.
Silage for milk production. (1989)
Wilkins, R. J.
Effects of changes in fertiliser use on the composition and productivity of permanent grassland in relation to agricultural production and floristic diversity. (1989)
Wilkins, R. J., Hopkins, A. H., Kirkham, F. W., Sargeant, C., Mountford, O., Dibb, C., Gilbey, J.
Beef production based on white clover: effects of grazing management, concentrate supplementation and breed type. (1989)
Wilkins, R. J., Peel, S., Yarrow, N. H., Johnson, R. H., Fisher, A.
Pheromone monitoring of Brassica pod midge (Dasineura brassicae Winn.). (1989)
Williams, I. H.
Honeybee pollination of the double low oilseed rape cultivar Ariana. (1989)
Williams, I. H., Simpkins, J.
Data reduction and analysis. (1989)
Woiwod, Ian, Perry, J. N.
Data reduction and analysis. (1989)
Woiwod, Ian, Perry, J. N.
Measuring the dynamics of the turnover of biomass carbon in soil. (1989)
Wu, J., Brookes, Philip, Jenkinson, David