Maximising wheat yields, and some causes of yield variation

A - Papers appearing in refereed journals

Tinker, P. B. and Widdowson, F. V. 1982. Maximising wheat yields, and some causes of yield variation. Proceedings - Fertiliser Society, London. 211, pp. 149-184.

Authors	Tinker, P. B. and Widdowson, F. V.
Abstract	RESP-8634
Year of Publication	1982
Journal	Proceedings - Fertiliser Society, London
Journal citation	211, pp. 149-184

Related outputs

Monitoring environmental change through networks

B - Book chapters etc edited externally

Tinker, P. B. 1994. Monitoring environmental change through networks. in: Johnston, A. E. and Leigh, R. A. (ed.) Long-term experiments in agricultural and ecological sciences CABI International, Wallingford, Oxon (CABI). pp. 407-422

Effects of pH on arbuscular mycorrhiza I. Field observations on the long-term liming experiments at Rothamsted and Woburn

A - Papers appearing in refereed journals

Wang, G. M., Stribley, D. P., Tinker, P. B. and Walker, Colin 1993. Effects of pH on arbuscular mycorrhiza I. Field observations on the long-term liming experiments at Rothamsted and Woburn. New Phytologist. 124 (3), pp. 465-472. https://doi.org/10.1111/j.1469-8137.1993.tb03837.x

The development of endomycorrhizal root systems VIII. Effects of soil phosphorus and fungal colonization on the concentration of soluble carbohydrates in roots

A - Papers appearing in refereed journals

Amijee, F., Stribley, D. P. and Tinker, P. B. 1993. The development of endomycorrhizal root systems VIII. Effects of soil phosphorus and fungal colonization on the concentration of soluble carbohydrates in roots. New Phytologist. 123 (2), pp. 297-306. https://doi.org/10.1111/j.1469-8137.1993.tb03739.x

Effects of seven factors on the growth and yield of winter barley grown as a third consecutive take-all susceptible crop and of growing the barley after oats or a fallow

A - Papers appearing in refereed journals

Jenkyn, J. F., Carter, N., Darby, R. J., Gutteridge, R. J., Mullen, L. A., Plumb, R. T., Ross, G. J. S., Todd, A. D., Widdowson, F. V. and Wood, D. W. 1992. Effects of seven factors on the growth and yield of winter barley grown as a third consecutive take-all susceptible crop and of growing the barley after oats or a fallow. The Journal of Agricultural Science. 119 (3), pp. 303-333. https://doi.org/10.1017/S0021859600012168

The turnover of organic matter in soil

A - Papers appearing in refereed journals

Jenkinson, D., Andrew , S., Lynch, J., Goss, M. J. and Tinker, P. B. 1990. The turnover of organic matter in soil. Philosophical Transactions of the Royal Society B-Biological Sciences. 329 (1255), pp. 361-368.

Soluble carbohydrates in roots of leek (Allium porrum ) plants in relation to phosphorus supply and VA mycorrhizas.

B - Book chapters etc edited externally

Amijee, F., Stribley, D. P. and Tinker, P. B. 1990. Soluble carbohydrates in roots of leek (Allium porrum ) plants in relation to phosphorus supply and VA mycorrhizas. in: Plant nutrition - physiology and applications . M.L. van Beusichem ed. Kluwer Academic Publishers, Dordrecht, Netherlands. pp. 161-164

Soluble carbohydrates in roots of leek (Allium porrum) plants in relation to phosphorus supply and VA mycorrhizas

A - Papers appearing in refereed journals

Amijee, F., Stribley, D. P. and Tinker, P. B. 1990. Soluble carbohydrates in roots of leek (Allium porrum) plants in relation to phosphorus supply and VA mycorrhizas. Plant and Soil. 124, pp. 195-198. https://doi.org/10.1007/BF00009259

Effects of phosphorus on the morphology of VA mycorrhizal root system of leek (Allium porrum L.).

A - Papers appearing in refereed journals

Amijee, F., Tinker, P. B. and Stribley, D. P. 1989. Effects of phosphorus on the morphology of VA mycorrhizal root system of leek (Allium porrum L.). Plant and Soil. 119, pp. 334-336. https://doi.org/10.1007/BF02370427

The development of endomycorrhizal root systems. VII. A detailed study of effects of soil phosphorus on colonization.

A - Papers appearing in refereed journals

Amijee, F., Tinker, P. B. and Stribley, D. P. 1989. The development of endomycorrhizal root systems. VII. A detailed study of effects of soil phosphorus on colonization. New Phytologist. 111 (3), pp. 435-446. https://doi.org/10.1111/j.1469-8137.1989.tb00706.x

Root-soil interactions.

B - Book chapters etc edited externally

Barraclough, P. B. and Tinker, P. B. 1988. Root-soil interactions. in: Handbook of environmental chemistry. Vol.2(D) Reactions and processes. Ed O. Hutzinger Berlin : Springer pp. 153-176

Contrast between sandy and clay soils in the effects of various factors on the growth, nitrogen uptake and yield of winter wheat in three years.

A - Papers appearing in refereed journals

Thorne, G. N., Welbank, P. J., Widdowson, F. V., Penny, A. and Todd, A. D. 1988. Contrast between sandy and clay soils in the effects of various factors on the growth, nitrogen uptake and yield of winter wheat in three years. The Journal of Agricultural Science. 110 (1), pp. 119-140. https://doi.org/10.1017/S0021859600079764

Variation between years in growth and nutrient uptake after anthesis of winter wheat on Broadbalk field at Rothamsted, 1969-84

A - Papers appearing in refereed journals

Thorne, G. N., Darby, R. J., Day, W., Lane, P. W., Welbank, P. J. and Widdowson, F. V. 1988. Variation between years in growth and nutrient uptake after anthesis of winter wheat on Broadbalk field at Rothamsted, 1969-84. The Journal of Agricultural Science. 110 (3), pp. 543-559. https://doi.org/10.1017/S0021859600082125

Amounts of NO3-N and NH4-N in soil, from autumn to spring, under winter wheat and their relationship to soil type, sowing date, previous crop and N uptake at Rothamsted, Woburn and Saxmundham, 1979-85.

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A., Darby, R. J., Bird, E. and Hewitt, M. V. 1987. Amounts of NO3-N and NH4-N in soil, from autumn to spring, under winter wheat and their relationship to soil type, sowing date, previous crop and N uptake at Rothamsted, Woburn and Saxmundham, 1979-85. The Journal of Agricultural Science. 108 (1), pp. 73-95. https://doi.org/10.1017/S0021859600064145

Tests of nitrification and of urease inhibitors, when applied with either solid or aqueous urea, on grass grown on a light sandy soil.

A - Papers appearing in refereed journals

Rodgers, G. A., Penny, A., Widdowson, F. V. and Hewitt, M. V. 1987. Tests of nitrification and of urease inhibitors, when applied with either solid or aqueous urea, on grass grown on a light sandy soil. The Journal of Agricultural Science. 108 (1), pp. 109-117. https://doi.org/10.1017/S0021859600064170

Relations between growth, colonization by a vesicular- arbuscular mycorrhizal fungus and soluble carbohydrates in roots of leek (Allium porrum L.) as affected by soil phosphorus.

G - Articles in popular magazines and other technical publications

Amijee, F., Stribley, D. P. and Tinker, P. B. 1986. Relations between growth, colonization by a vesicular- arbuscular mycorrhizal fungus and soluble carbohydrates in roots of leek (Allium porrum L.) as affected by soil phosphorus.

The effect of vesicular-arbuscular mycorrhizal infection on photosynthesis and carbon distribution in leek plants

C1 - Edited contributions to conferences/learned societies

Snellgrove, R. C., Stribley, D. P., Tinker, P. B. and Lawlor, D. W. 1986. The effect of vesicular-arbuscular mycorrhizal infection on photosynthesis and carbon distribution in leek plants. Gianinazzi-Pearson, V. and Gianinazzi, S. (ed.) Physiological and genetical aspects of mycorrhizae . Proceedings 1st European Symposium on Mycorrhizae, Dijon, 1985.. INRA Paris Cedex. pp. 420-424

The effects of sowing date and other factors on growth, yield and nitrogen uptake, and on the incidence of pests and diseases, of winter barley at Rothamsted from 1981 to 1983.

A - Papers appearing in refereed journals

Widdowson, F. V., Darby, R. J., Dewar, A. M., Jenkyn, J. F., Kerry, B. R., Lawlor, D. W., Plumb, R. T., Ross, G. J. S., Scott, G. C., Todd, A. D. and Wood, D. W. 1986. The effects of sowing date and other factors on growth, yield and nitrogen uptake, and on the incidence of pests and diseases, of winter barley at Rothamsted from 1981 to 1983. The Journal of Agricultural Science. 106, pp. 551-574. https://doi.org/10.1017/S0021859600063437

The relationship of soil mineral NO3-N with NO3-N concentration, and of fertilizer -N with the amount of nitrogen taken up by winter wheat, in experiments testing nitrogen fertilizer in combination with aphicide and fungicides, from 1980 to 1982.

A - Papers appearing in refereed journals

Darby, R. J., Widdowson, F. V., Bird, E. and Hewitt, M. V. 1986. The relationship of soil mineral NO3-N with NO3-N concentration, and of fertilizer -N with the amount of nitrogen taken up by winter wheat, in experiments testing nitrogen fertilizer in combination with aphicide and fungicides, from 1980 to 1982. The Journal of Agricultural Science. 106, pp. 497-507. https://doi.org/10.1017/S0021859600063383

Results from experiments on winter barley measuring the effects of amount and timing of nitrogen and some other factors on the yield and nitrogen content of the grain

A - Papers appearing in refereed journals

Penny, A., Widdowson, F. V. and Jenkyn, J. F. 1986. Results from experiments on winter barley measuring the effects of amount and timing of nitrogen and some other factors on the yield and nitrogen content of the grain. The Journal of Agricultural Science. 106 (3), pp. 537-549. https://doi.org/10.1017/S0021859600063425

The development of endomycorrhizal root systems. VI. The relationship between development of infection, and intensity of infection in young leek roots.

A - Papers appearing in refereed journals

Amijee, F., Stribley, D. P. and Tinker, P. B. 1986. The development of endomycorrhizal root systems. VI. The relationship between development of infection, and intensity of infection in young leek roots. New Phytologist. 102, pp. 293-301. https://doi.org/10.1111/j.1469-8137.1986.tb00584.x

Trace elements in arable agriculture. Hills Bequest Lecture of the Royal Agricultural Society of England.

G - Articles in popular magazines and other technical publications

Tinker, P. B. 1986. Trace elements in arable agriculture. Hills Bequest Lecture of the Royal Agricultural Society of England. Journal of Soil Science. 37 (4), pp. 587-601.

Rothamsted Soils Division

A - Papers appearing in refereed journals

Tinker, P. B. 1985. Rothamsted Soils Division. Rothamsted Experimental Station Report. 1985 (part 1), pp. 157-186.

Soil science in a changing world

A - Papers appearing in refereed journals

Tinker, P. B. 1985. Soil science in a changing world. Journal of Soil Science. 36 (1), pp. 1-8. https://doi.org/10.1111/j.1365-2389.1985.tb00308.x

Tests of amounts and times of application of nitrogen and of sequential sprays of aphicide and fungicides on winter wheat, following either beans or wheat, and the effects of take-all (Gaeumannomyces graminis var. tritici ), on two varieties at Saxmundham, Suffolk 1980-3

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A., Gutteridge, R. J., Darby, R, J. and Hewitt, M. V. 1985. Tests of amounts and times of application of nitrogen and of sequential sprays of aphicide and fungicides on winter wheat, following either beans or wheat, and the effects of take-all (Gaeumannomyces graminis var. tritici ), on two varieties at Saxmundham, Suffolk 1980-3. The Journal of Agricultural Science. 105, pp. 97-122. https://doi.org/10.1017/S0021859600055775

Crop nutrients: control and efficiency of use

A - Papers appearing in refereed journals

Tinker, P. B. 1985. Crop nutrients: control and efficiency of use. Philosophical Transactions of the Royal Society B-Biological Sciences. 310 (1144), pp. 175-191. https://doi.org/10.1098/rstb.1985.0106

Vesicular-arbuscular mycorrhizae of winter and spring cereals

A - Papers appearing in refereed journals

Buwalda, J. G., Stribley, D. P. and Tinker, P. B. 1985. Vesicular-arbuscular mycorrhizae of winter and spring cereals. The Journal of Agricultural Science. 105, pp. 649-657. https://doi.org/10.1017/S0021859600059554

Effects of vesicular-arbuscular mycorrhizal infection in first, second and third cereal crops

A - Papers appearing in refereed journals

Buwalda, J. G., Stribley, D. P. and Tinker, P. B. 1985. Effects of vesicular-arbuscular mycorrhizal infection in first, second and third cereal crops. The Journal of Agricultural Science. 105, pp. 631-647. https://doi.org/10.1017/S0021859600059542

Soil microbiology and the improvement of plant growth.

G - Articles in popular magazines and other technical publications

Tinker, P. B. 1985. Soil microbiology and the improvement of plant growth.

Rothamsted Soils Division

A - Papers appearing in refereed journals

Tinker, P. B. 1984. Rothamsted Soils Division. Rothamsted Experimental Station Report. 1984 (part 1), pp. 169-196.

The effect of sowing date and of leaching on soil nitrogen supply for winter wheat at Rothamsted and Woburn 1981

B - Book chapters etc edited externally

Widdowson, F. V., Penny, A., Darby, R. J. and Bird, E. 1984. The effect of sowing date and of leaching on soil nitrogen supply for winter wheat at Rothamsted and Woburn 1981. in: In : The nitrogen requirement of cereals : proceedings of a conference organised by ADAS September 1982 London HMSO. pp. 125-128

Modelling of the nitrogen requirement of cereals

B - Book chapters etc edited externally

Tinker, P. B. and Addiscott, T. M. 1984. Modelling of the nitrogen requirement of cereals. in: In : The nitrogen requirement of cereals : proceedings of a conference organised by ADAS September 1982 HMSO. pp. 265-281

The role of microorganisms in mediating and facilitating the uptake of plant nutrients from soil

A - Papers appearing in refereed journals

Tinker, P. B. 1984. The role of microorganisms in mediating and facilitating the uptake of plant nutrients from soil. Plant and Soil. 76 (1-3), pp. 77-91. https://doi.org/10.1007/bf02205569

The development of endomycorrhizal root systems .5. The detailed pattern of development of infection and the control of infection level by host in young leek plants

A - Papers appearing in refereed journals

Buwalda, J. G., Stribley, D. P. and Tinker, P. B. 1984. The development of endomycorrhizal root systems .5. The detailed pattern of development of infection and the control of infection level by host in young leek plants. New Phytologist. 96 (3), pp. 411-427. https://doi.org/10.1111/j.1469-8137.1984.tb03576.x

Comparisons between the establishment, growth and yield of winter-wheat on 3 clay soils, in experiments testing nitrogen-fertilizer in combination with aphicide and fungicides, from 1980 to 1982

A - Papers appearing in refereed journals

Darby, R. J., Widdowson, F. V. and Hewitt, M. V. 1984. Comparisons between the establishment, growth and yield of winter-wheat on 3 clay soils, in experiments testing nitrogen-fertilizer in combination with aphicide and fungicides, from 1980 to 1982. The Journal of Agricultural Science. 103 (DEC), pp. 595-611. https://doi.org/10.1017/s0021859600043720

Comparison of the effects of aqueous and of prilled urea, used alone or with urease or nitrification inhibitors, with those of ''Nitro-Chalk'' on ryegrass leys

A - Papers appearing in refereed journals

Rodgers, G. A., Widdowson, F. V., Penny, A. and Hewitt, M. V. 1984. Comparison of the effects of aqueous and of prilled urea, used alone or with urease or nitrification inhibitors, with those of ''Nitro-Chalk'' on ryegrass leys. The Journal of Agricultural Science. 103 (3), pp. 671-685. https://doi.org/10.1017/S0021859600063401

Site-specific yield potentials in relation to fertilizer use

C1 - Edited contributions to conferences/learned societies

Tinker, P. B. 1984. Site-specific yield potentials in relation to fertilizer use. Proceedings 18th Colloquium of the International Potash Institute, Bern, 1984 . pp. 193-208

Assessing the need of maincrop potatoes for late nitrogen by using isobutylidene di-urea by injecting nitrification inhibitors with aqueous N fertilizers and by dividing dressings of "Nitro-chalk"

A - Papers appearing in refereed journals

Penny, A., Addiscott, T. M. and Widdowson, F. V. 1984. Assessing the need of maincrop potatoes for late nitrogen by using isobutylidene di-urea by injecting nitrification inhibitors with aqueous N fertilizers and by dividing dressings of "Nitro-chalk". The Journal of Agricultural Science. 103 (3), pp. 577-585. https://doi.org/10.1017/S0021859600043707

The nitrogen requirement of cereals

A - Papers appearing in refereed journals

Widdowson, F. V. 1983. The nitrogen requirement of cereals. Journal of Soil Science. 385, pp. 97-103.

Rothamsted Soils Division

A - Papers appearing in refereed journals

Tinker, P. B. 1983. Rothamsted Soils Division. Rothamsted Experimental Station Report. 1983 (part 1), pp. 163-191.

The role of microorganisms in plant nutrition

A - Papers appearing in refereed journals

Beringer, J. E. and Tinker, P. B. 1983. The role of microorganisms in plant nutrition. Fertiliser '83 Proceedings of the British Sulphur Corporation's 7th International Conference London. 7.

Nutrient and micro-nutrient requirements of cereals

A - Papers appearing in refereed journals

Tinker, P. B. and Wright, D. W. 1983. Nutrient and micro-nutrient requirements of cereals. The yield of cereals Proceedings of an international seminar Cambridge RASE . 1, pp. 59-67.

Work of the Department of Soils and Plant Nutrition

A - Papers appearing in refereed journals

Tinker, P. B. 1983. Work of the Department of Soils and Plant Nutrition. Journal of the Science of Food and Agriculture. 34 (1), pp. 45-45.

Relationship between n concentration of grain and grain-yield in recent winter-wheat experiments in England and Belgium, some with large yields

A - Papers appearing in refereed journals

Benzian, B., Darby, R. J., Lane, P., Widdowson, F. V. and Verstraeten, L. M. J. 1983. Relationship between n concentration of grain and grain-yield in recent winter-wheat experiments in England and Belgium, some with large yields. Journal of the Science of Food and Agriculture. 34 (7), pp. 685-695. https://doi.org/10.1002/jsfa.2740340704

A note on modeling methods for studies of ectomycorrhizal systems

A - Papers appearing in refereed journals

Sanders, F. E., Buwalda, J. G. and Tinker, P. B. 1983. A note on modeling methods for studies of ectomycorrhizal systems. Plant and Soil. 71 (1-3), pp. 507-512. https://doi.org/10.1007/bf02182693

Interactions of vesicular arbuscular mycorrhizal infections and heavy-metals in plants 2 The effects of infection on uptake of copper

A - Papers appearing in refereed journals

Gildon, A. and Tinker, P. B. 1983. Interactions of vesicular arbuscular mycorrhizal infections and heavy-metals in plants 2 The effects of infection on uptake of copper. New Phytologist. 95 (2), pp. 263-268. https://doi.org/10.1111/j.1469-8137.1983.tb03492.x

Interactions of vesicular arbuscular mycorrhizal infection and heavy-metals in plants 1 The effects of heavy-metals on the development of vesicular arbuscular mycorrhizas

A - Papers appearing in refereed journals

Gildon, A. and Tinker, P. B. 1983. Interactions of vesicular arbuscular mycorrhizal infection and heavy-metals in plants 1 The effects of heavy-metals on the development of vesicular arbuscular mycorrhizas. New Phytologist. 95 (2), pp. 247-261. https://doi.org/10.1111/j.1469-8137.1983.tb03491.x

Increased uptake of bromide and chloride by plants infected with vesicular-arbuscular mycorrhizas

A - Papers appearing in refereed journals

Buwalda, J. G., Stribley, D. P. and Tinker, P. B. 1983. Increased uptake of bromide and chloride by plants infected with vesicular-arbuscular mycorrhizas. New Phytologist. 93 (2), pp. 217-225. https://doi.org/10.1111/j.1469-8137.1983.tb03426.x

Increased uptake of anions by plants with vesicular-arbuscular mycorrhizas

A - Papers appearing in refereed journals

Buwalda, J. G., Stribley, D. P. and Tinker, P. B. 1983. Increased uptake of anions by plants with vesicular-arbuscular mycorrhizas. Plant and Soil. 71 (1-3), pp. 463-467. https://doi.org/10.1007/bf02182687

Experiments with solid and liquid N-fertilizers and fungicides on winter wheat at Saxmundham, Suffolk, 1976–9

A - Papers appearing in refereed journals

Penny, A., Widdowson, F. V. and Jenkyn, J. F. 1983. Experiments with solid and liquid N-fertilizers and fungicides on winter wheat at Saxmundham, Suffolk, 1976–9. The Journal of Agricultural Science. 100 (1), pp. 163-173. https://doi.org/10.1017/s0021859600032573

Effects of several nitrification inhibitors, when injected with aqueous urea, on yields and nitrogen recoveries of ryegrass leys

A - Papers appearing in refereed journals

Rodgers, G. A., Widdowson, F. V., Penny, A. and Hewitt, M. V. 1983. Effects of several nitrification inhibitors, when injected with aqueous urea, on yields and nitrogen recoveries of ryegrass leys. The Journal of Agricultural Science. 101 (DEC), pp. 637-656. https://doi.org/10.1017/s0021859600038673

Mycorrhizal fungi and ion uptake

B - Book chapters etc edited externally

Tinker, P. B. and Gildon, A. 1983. Mycorrhizal fungi and ion uptake. in: Pierpoint, W. S. and Robb, D. A. (ed.) Metals and micronutrients, uptake and utilization by plants London Academic Press. pp. 21-32

Rothamsted Soils and Plant Nutrition Department

A - Papers appearing in refereed journals

Tinker, P. B. 1982. Rothamsted Soils and Plant Nutrition Department. Rothamsted Experimental Station Report. 1982 (part 1), pp. 253-282.

Rothamsted Soils and Plant Nutrition Department

A - Papers appearing in refereed journals

Tinker, P. B. 1982. Rothamsted Soils and Plant Nutrition Department. Rothamsted Experimental Station Report. 1981 (1), pp. 243-271.

Results from the Woburn Reference Experiment, III. Yields of the Crops and Recoveries of N, P, K, and Mg from Manures and Soil, 1975-79

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Hewitt, M. V. 1982. Results from the Woburn Reference Experiment, III. Yields of the Crops and Recoveries of N, P, K, and Mg from Manures and Soil, 1975-79. Rothamsted Experimental Station Report. 1981 (2), pp. 5-21.

Mycorrhizae The present situation / position

A - Papers appearing in refereed journals

Tinker, P. B. 1982. Mycorrhizae The present situation / position. International congress of soil science. 12, pp. 150-166.

The distribution of carbon and the demand of the fungal symbiont in leek plants with vesicular‐arbuscular mycorrhizas

A - Papers appearing in refereed journals

Snellgrove, R. C., Splittstoesser, W. R., Stribley, D. P. and Tinker, P. B. 1982. The distribution of carbon and the demand of the fungal symbiont in leek plants with vesicular‐arbuscular mycorrhizas. New Phytologist. 92 (1), pp. 75-87. https://doi.org/10.1111/j.1469-8137.1982.tb03364.x

The relationship between phosphorus concentration and growth in plants infected with vesicular-arbuscular mycorrhizal fungi

A - Papers appearing in refereed journals

Tinker, P. B., Stribley, D. P. and Snellgrove, R. C. 1982. The relationship between phosphorus concentration and growth in plants infected with vesicular-arbuscular mycorrhizal fungi. Proceedings of the 9th International Plant Nutrition Colloquium . 9, pp. 670-675.

Results from factorial experiments testing amounts and times of granular N-fertilizer, late sprays of liquid N-fertilizer and fungicides to control mildew and brown rust on two varieties of spring barley at Saxmundham, Suffolk 1975–8

A - Papers appearing in refereed journals

Widdowson, F. V., Jenkyn, J. F. and Penny, A. 1982. Results from factorial experiments testing amounts and times of granular N-fertilizer, late sprays of liquid N-fertilizer and fungicides to control mildew and brown rust on two varieties of spring barley at Saxmundham, Suffolk 1975–8. The Journal of Agricultural Science. 99 (2), pp. 377-390. https://doi.org/10.1017/s0021859600030173

Results from an experiment on permanent grass evaluating the cumulative effects of aqueous urea, injected alone or with a nitrification inhibitor, with those of nitro-chalk

A - Papers appearing in refereed journals

Ashworth, J., Widdowson, F. V., Penny, A., Gibbs, A. J., Hodgkinson, R. A. and Hewitt, M. V. 1982. Results from an experiment on permanent grass evaluating the cumulative effects of aqueous urea, injected alone or with a nitrification inhibitor, with those of nitro-chalk. The Journal of Agricultural Science. 98 (FEB), pp. 141-154. https://doi.org/10.1017/s0021859600041216

The development of endomycorrhizal root systems .4. The mathematical-analysis of effects of phosphorus on the spread of vesicular arbuscular mycorrhizal infection in root systems

A - Papers appearing in refereed journals

Buwalda, J. G., Ross, G. J. S., Stribley, D. P. and Tinker, P. B. 1982. The development of endomycorrhizal root systems .4. The mathematical-analysis of effects of phosphorus on the spread of vesicular arbuscular mycorrhizal infection in root systems. New Phytologist. 92 (3), pp. 391-399. https://doi.org/10.1111/j.1469-8137.1982.tb03396.x

The development of endomycorrhizal root systems .3. The mathematical representation of the spread of vesicular arbuscular mycorrhizal infection in root systems

A - Papers appearing in refereed journals

Buwalda, J. G., Ross, G. J. S., Stribley, D. P. and Tinker, P. B. 1982. The development of endomycorrhizal root systems .3. The mathematical representation of the spread of vesicular arbuscular mycorrhizal infection in root systems. New Phytologist. 91 (4), pp. 669-682. https://doi.org/10.1111/j.1469-8137.1982.tb03346.x

The determination of ionic diffusion coefficients in field soils. II. Diffusion of bromide ions in undisturbed soil cores.

A - Papers appearing in refereed journals

Barraclough, P. B. and Tinker, P. B. 1982. The determination of ionic diffusion coefficients in field soils. II. Diffusion of bromide ions in undisturbed soil cores. Journal of Soil Science. 33 (1), pp. 13-24. https://doi.org/10.1111/j.1365-2389.1982.tb01743.x

Rothamsted Soils and Plant Nutrition Department

A - Papers appearing in refereed journals

Tinker, P. B. 1981. Rothamsted Soils and Plant Nutrition Department. Rothamsted Experimental Station Report. 1980 (1), pp. 241-264.

Soil limitations to crop yields

A - Papers appearing in refereed journals

Tinker, P. B. 1981. Soil limitations to crop yields. Breaking the climate-soil barriers to crop yield Proceedings of a symposium University of Guelph 1981 Ed Miller MH, Brown DM and Beauchamp EG. pp. 29-54.

Phosphorus and carbon relationships in plants infected with vesicular-arbuscular mycorrhizal fungi

A - Papers appearing in refereed journals

Stribley, D. P., Tinker, P. B. and Snellgrove, R. C. 1981. Phosphorus and carbon relationships in plants infected with vesicular-arbuscular mycorrhizal fungi. Journal of the Science of Food and Agriculture. 32 (6), pp. 627-627.

Levels, distribution and chemical forms of trace-elements in food plants

A - Papers appearing in refereed journals

Tinker, P. B. 1981. Levels, distribution and chemical forms of trace-elements in food plants. Philosophical Transactions of the Royal Society B-Biological Sciences. 294 (1071), pp. 41-55. https://doi.org/10.1098/rstb.1981.0088

A heavy metal-tolerant strain of a mycorrhizal fungus

A - Papers appearing in refereed journals

Gildon, A. and Tinker, P. B. 1981. A heavy metal-tolerant strain of a mycorrhizal fungus. Transactions of the British Mycological Society. 77 (DEC), pp. 648-649. https://doi.org/10.1016/s0007-1536(81)80118-0

The determination of ionic diffusion coefficients in field soils. I. Diffusion coefficients in sieved soils in relation water content and bulk density.

A - Papers appearing in refereed journals

Barraclough, P. B. and Tinker, P. B. 1981. The determination of ionic diffusion coefficients in field soils. I. Diffusion coefficients in sieved soils in relation water content and bulk density. Journal of Soil Science. 32 (2), pp. 225-236. https://doi.org/10.1111/j.1365-2389.1981.tb01702.x

Rothamsted Soils and Plant Nutrition Department

A - Papers appearing in refereed journals

Tinker, P. B. 1980. Rothamsted Soils and Plant Nutrition Department. Rothamsted Experimental Station Report. 1979 (1), pp. 223-243.

Results from the Rothamsted Reference Experiment II. Yields of the Crops and Recoveries of N, P and K from Manures and Soil, 1971-75

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Bird, E. 1980. Results from the Rothamsted Reference Experiment II. Yields of the Crops and Recoveries of N, P and K from Manures and Soil, 1971-75. Rothamsted Experimental Station Report. 1979 (2), pp. 63-75.

Results from the Rothamsted reference experiment II Yields of the crops and recoveries of N, P and K from manures and soil 1971-1975

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Bird, E. 1980. Results from the Rothamsted reference experiment II Yields of the crops and recoveries of N, P and K from manures and soil 1971-1975. Rothamsted Experimental Station Report. 1979 (2), pp. 63-75.

Translocation and transfer of nutrients in vesicular-arbuscular mycorrhizas .3. Polyphosphate granules and phosphorus translocation

A - Papers appearing in refereed journals

Cox, G., Moran, K. J., Sanders, F., Nockolds, C. and Tinker, P. B. 1980. Translocation and transfer of nutrients in vesicular-arbuscular mycorrhizas .3. Polyphosphate granules and phosphorus translocation. New Phytologist. 84 (4), pp. 649-&. https://doi.org/10.1111/j.1469-8137.1980.tb04778.x

Relation of internal phosphorus concentration and plant weight in plants infected by vesicular-arbuscular mycorrhizas

A - Papers appearing in refereed journals

Stribley, D. P., Tinker, P. B. and Rayner, J. H. 1980. Relation of internal phosphorus concentration and plant weight in plants infected by vesicular-arbuscular mycorrhizas. New Phytologist. 86 (3), pp. 261-266. https://doi.org/10.1111/j.1469-8137.1980.tb00786.x

Multifactorial experimentation on continuous winter-wheat grown in sandy clay soil at Saxmundham, Suffolk

A - Papers appearing in refereed journals

Widdowson, F. V., Johnston, A. E. and Penny, A. 1980. Multifactorial experimentation on continuous winter-wheat grown in sandy clay soil at Saxmundham, Suffolk. The Journal of Agricultural Science. 94 (FEB), pp. 155-170. https://doi.org/10.1017/s002185960002801x

An experiment begun in 1958 measuring effects of n, p and k fertilizers on yield and n, p and k contents of grass .2. Residual effects on arable crops, 1968-76

A - Papers appearing in refereed journals

Penny, A., Widdowson, F. V. and Williams, R. J. B. 1980. An experiment begun in 1958 measuring effects of n, p and k fertilizers on yield and n, p and k contents of grass .2. Residual effects on arable crops, 1968-76. The Journal of Agricultural Science. 95 (DEC), pp. 583-595. https://doi.org/10.1017/s0021859600087992

An experiment begun in 1958 measuring effects of n, p and k fertilizers on yield and n, p and k contents of grass .1. Effects during 1964-7

A - Papers appearing in refereed journals

Penny, A., Widdowson, F. V. and Williams, R. J. B. 1980. An experiment begun in 1958 measuring effects of n, p and k fertilizers on yield and n, p and k contents of grass .1. Effects during 1964-7. The Journal of Agricultural Science. 95 (DEC), pp. 575-582. https://doi.org/10.1017/s0021859600087980

The effects of injecting nitrapyrin (n-serve), carbon disulphide or trithiocarbonates, with aqueous ammonia, on yield and percent-n of grass

A - Papers appearing in refereed journals

Ashworth, J., Penny, A., Widdowson, F. V. and Briggs, G. G. 1980. The effects of injecting nitrapyrin (n-serve), carbon disulphide or trithiocarbonates, with aqueous ammonia, on yield and percent-n of grass. Journal of the Science of Food and Agriculture. 31 (3), pp. 229-237. https://doi.org/10.1002/jsfa.2740310303

Effect of vesicular-arbuscular mycorrhizal fungi on the relations of plant-growth, internal phosphorus concentration and soil phosphate analyses

A - Papers appearing in refereed journals

Stribley, D. P., Tinker, P. B. and Snellgrove, R. C. 1980. Effect of vesicular-arbuscular mycorrhizal fungi on the relations of plant-growth, internal phosphorus concentration and soil phosphate analyses. Journal of Soil Science. 31 (4), pp. 655-672. https://doi.org/10.1111/j.1365-2389.1980.tb02112.x

Rothamsted Soils and Plant Nutrition Department

A - Papers appearing in refereed journals

Tinker, P. B. 1979. Rothamsted Soils and Plant Nutrition Department. Rothamsted Experimental Station Report. 1978 (1), pp. 275-302.

Results from the Woburn Reference Experiment II. Yields of the Crops and Recoveries of N, P, K and Mg from Manures and Soil, 1970-74

A - Papers appearing in refereed journals

Widdowson, F. V. and Penny, A. 1979. Results from the Woburn Reference Experiment II. Yields of the Crops and Recoveries of N, P, K and Mg from Manures and Soil, 1970-74. Rothamsted Experimental Station Report. 1978 (2), pp. 67-82.

Rothamsted Soils and Plant Nutrition Department

A - Papers appearing in refereed journals

Tinker, P. B. 1978. Rothamsted Soils and Plant Nutrition Department. Rothamsted Experimental Station Report. 1977 (1), pp. 271-296.

Transport processes in the soil as factors of potassium availability

A - Papers appearing in refereed journals

Tinker, P. B. and Sekhon, G. S. 1978. Transport processes in the soil as factors of potassium availability. Potassium in Soils and Crops Proceedings of a Symposium - Potash Research Institute of India New Delhi 1978 Ed GS Sekhon.

Spring top-dressings of ‘Nitro-Chalk’ and late sprays of a liquid N-fertilizer and a broad spectrum fungicide for consecutive crops of winter wheat at Saxmundham, Suffolk

A - Papers appearing in refereed journals

Penny, A., Widdowson, F. V. and Jenkyn, J. F. 1978. Spring top-dressings of ‘Nitro-Chalk’ and late sprays of a liquid N-fertilizer and a broad spectrum fungicide for consecutive crops of winter wheat at Saxmundham, Suffolk. The Journal of Agricultural Science. 90 (3), pp. 509-516. https://doi.org/10.1017/s0021859600056021

Effects of vesicular-arbuscular mycorrhizas on plant nutrition and plant-growth

A - Papers appearing in refereed journals

Tinker, P. B. 1978. Effects of vesicular-arbuscular mycorrhizas on plant nutrition and plant-growth. Physiologie vegetale. 16 (4), pp. 743-751.

Results from an experiment on permanent grass evaluating aqueous ammonia and aqueous urea, injected in bands either 30 or 60 cm apart

A - Papers appearing in refereed journals

Penny, A., Widdowson, F. V. and Ashworth, J. 1977. Results from an experiment on permanent grass evaluating aqueous ammonia and aqueous urea, injected in bands either 30 or 60 cm apart. The Journal of Agricultural Science. 88 (APR), pp. 319-331. https://doi.org/10.1017/s0021859600034821

Results from two sets of experiments with spring barley, first comparing injected with broadcast nitrogen granules, second comparing injected and combine-drilled NPK solutions with broadcast NPK granules

A - Papers appearing in refereed journals

Widdowson, F. V. and Penny, A. 1977. Results from two sets of experiments with spring barley, first comparing injected with broadcast nitrogen granules, second comparing injected and combine-drilled NPK solutions with broadcast NPK granules. The Journal of Agricultural Science. 88 (FEB), pp. 35-45. https://doi.org/10.1017/s0021859600033748

Experiments evaluating aqueous ammonia, aqueous urea and a solution of ammonium-nitrate and urea as nitrogenous fertilizers for winter-wheat

A - Papers appearing in refereed journals

Widdowson, F. V. and Penny, A. 1977. Experiments evaluating aqueous ammonia, aqueous urea and a solution of ammonium-nitrate and urea as nitrogenous fertilizers for winter-wheat. The Journal of Agricultural Science. 89 (OCT), pp. 415-424. https://doi.org/10.1017/s0021859600028343

Economy and chemistry of phosphorus

A - Papers appearing in refereed journals

Tinker, P. B. 1977. Economy and chemistry of phosphorus. Nature. 270 (5633), pp. 103-104. https://doi.org/10.1038/270103a0

Results from two barley experiments at Saxmundham, Suffolk, measuring effects of the fungicide benodanil on three varieties, given three amounts of nitrogen at two times 1973–4

A - Papers appearing in refereed journals

Widdowson, F. V., Jenkyn, J. F. and Penny, A. 1976. Results from two barley experiments at Saxmundham, Suffolk, measuring effects of the fungicide benodanil on three varieties, given three amounts of nitrogen at two times 1973–4. The Journal of Agricultural Science. 86 (2), pp. 271-280. https://doi.org/10.1017/s0021859600054721

Results from experiments measuring effects of large amounts of an npk fertilizer on yield, tuber size and n, p and k contents of 3 potato varieties

A - Papers appearing in refereed journals

Widdowson, F. V. and Penny, A. 1975. Results from experiments measuring effects of large amounts of an npk fertilizer on yield, tuber size and n, p and k contents of 3 potato varieties. The Journal of Agricultural Science. 85 (DEC), pp. 515-525. https://doi.org/10.1017/s0021859600062390

Effects of potato cyst nematodes on potato plants .4. Effects of fertilizers and heterodera-rostochiensis on yield of 2 susceptible varieties

A - Papers appearing in refereed journals

Trudgill, D. L., Parrott, D. M., Evans, K. and Widdowson, F. V. 1975. Effects of potato cyst nematodes on potato plants .4. Effects of fertilizers and heterodera-rostochiensis on yield of 2 susceptible varieties. Nematologica. 21 (3), pp. 281-286. https://doi.org/10.1163/187529275x00031

Results from experiments measuring residues of nitrogen fertilizer given for sugar-beet, and of ploughed-in sugar-beet tops, on yield of following barley

A - Papers appearing in refereed journals

Widdowson, F. V. 1974. Results from experiments measuring residues of nitrogen fertilizer given for sugar-beet, and of ploughed-in sugar-beet tops, on yield of following barley. The Journal of Agricultural Science. 83 (DEC), pp. 415-421. https://doi.org/10.1017/s0021859600026885

Results from experiments measuring effects of large amounts of fertilizer and of farmyard manure on main-crop potatoes grown in sandy soil at Woburn, Bedfordshire

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Flint, R. C. 1974. Results from experiments measuring effects of large amounts of fertilizer and of farmyard manure on main-crop potatoes grown in sandy soil at Woburn, Bedfordshire. The Journal of Agricultural Science. 82 (FEB), pp. 117-127. https://doi.org/10.1017/s0021859600050292

Yields and N, P and K Contents of the Crops Grown in the Rothamsted Reference Experiment, 1956-70,

A - Papers appearing in refereed journals

Widdowson, F. V. and Penny, A. 1973. Yields and N, P and K Contents of the Crops Grown in the Rothamsted Reference Experiment, 1956-70, . Rothamsted Experimental Station Report. 1972 (2), pp. 111-130.

Results from experiments with wheat and barley measuring the effects of paths on yield

A - Papers appearing in refereed journals

Widdowson, F. V. 1973. Results from experiments with wheat and barley measuring the effects of paths on yield. Experimental husbandry. 23, pp. 16-20.

Results from experiments comparing aqueous and anhydrous ammonia with nitrochalk for grass cut for silage

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Flint, R. C. 1973. Results from experiments comparing aqueous and anhydrous ammonia with nitrochalk for grass cut for silage. The Journal of Agricultural Science. 81 (DEC), pp. 465-480. https://doi.org/10.1017/s0021859600086524

Results from the Woburn Reference Experiment, 1960-1969

A - Papers appearing in refereed journals

Widdowson, F. V. and Penny, A. 1972. Results from the Woburn Reference Experiment, 1960-1969. Rothamsted Experimental Station Report. 1971 (2), pp. 69-94.

Results from an experiment comparing aqueous ammonia with Nitro-Chalk for grazed grass

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Flint, R. C. 1972. Results from an experiment comparing aqueous ammonia with Nitro-Chalk for grazed grass. The Journal of Agricultural Science. 79 (2), pp. 341-348. https://doi.org/10.1017/S0021859600032330

Results from barley experiments comparing aqueous ammonia and aqueous urea with ammonium nitrate, and also liquid with granular NPK fertilizers

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Flint, R. C. 1972. Results from barley experiments comparing aqueous ammonia and aqueous urea with ammonium nitrate, and also liquid with granular NPK fertilizers. The Journal of Agricultural Science. 79 (2), pp. 349-361. https://doi.org/10.1017/S0021859600032342

Manuring potatoes

A - Papers appearing in refereed journals

Widdowson, F. V. 1971. Manuring potatoes. Handbook on farm crop production - Potatoes Shell Star Ltd. 3, p. pp16.

The Effects of Partially Sterilising Agricultural Soils With Formalin, and of Applying Nitrogen Fertilisers, on the Yields and N Contents of Spring and Winter Wheat, of Barley and of Grass

A - Papers appearing in refereed journals

Widdowson, F. V. and Penny, A. 1970. The Effects of Partially Sterilising Agricultural Soils With Formalin, and of Applying Nitrogen Fertilisers, on the Yields and N Contents of Spring and Winter Wheat, of Barley and of Grass. Rothamsted Experimental Station Report. 1969 (Part 2), pp. 113-134. https://doi.org/10.23637/ERADOC-1-34866

Anhydrous ammonia-yields and recoveries by spring wheat.

A - Papers appearing in refereed journals

Widdowson, F. V. and Penny, A. 1970. Anhydrous ammonia-yields and recoveries by spring wheat. Anhydrous Ammonia. Proceedings of a Symposium on Aspects of its Technology and Use as a Fertilizer.. pp. 61-66.

Fertilizer requirements of sugar beet on fen peat soils

A - Papers appearing in refereed journals

Tinker, P. B. 1970. Fertilizer requirements of sugar beet on fen peat soils. The Journal of Agricultural Science. 74 (1), pp. 73-77. https://doi.org/10.1017/S0021859600020979

The effects of three crops and of the N fertilizer given to them on the yield of following barley

A - Papers appearing in refereed journals

Widdowson, F. V. and Penny, A. 1970. The effects of three crops and of the N fertilizer given to them on the yield of following barley. The Journal of Agricultural Science. 74 (3), pp. 511-522. https://doi.org/10.1017/S0021859600017639

Sodium and potassium relationships in sugar beet

A - Papers appearing in refereed journals

Draycott, A. P., Marsh, J. A. P. and Tinker, P. B. H. 1970. Sodium and potassium relationships in sugar beet. The Journal of Agricultural Science. 74 (3), pp. 567-573. https://doi.org/10.1017/S0021859600017706

Effects on barley and kale of NPK fertilizers containing differing proportions of urea and ammonium nitrate, and either triple superphosphate or mono-urea phosphate

A - Papers appearing in refereed journals

Widdowson, F. V. and Penny, A. 1969. Effects on barley and kale of NPK fertilizers containing differing proportions of urea and ammonium nitrate, and either triple superphosphate or mono-urea phosphate. The Journal of Agricultural Science. 73 (1), pp. 125-132. https://doi.org/10.1017/S0021859600024205

Why starve grass ?

A - Papers appearing in refereed journals

Widdowson, F. V. 1968. Why starve grass ? Dairy Farmer. (supplement).

Results of an experiment at Rothamsted testing farmyard manure and N, P and K fertilizers on five arable crops and permanent grass III. Yields 1961–1965

A - Papers appearing in refereed journals

Widdowson, F. V. and Penny, A. 1968. Results of an experiment at Rothamsted testing farmyard manure and N, P and K fertilizers on five arable crops and permanent grass III. Yields 1961–1965. The Journal of Agricultural Science. 70 (1), pp. 53-58. https://doi.org/10.1017/S0021859600017184

Nitrate nitrogen in leaves and petioles of sugar beet in relation to yield of sugar and juice purity

A - Papers appearing in refereed journals

Last, F. T. and Tinker, P. B. 1968. Nitrate nitrogen in leaves and petioles of sugar beet in relation to yield of sugar and juice purity. The Journal of Agricultural Science. 71 (3), pp. 383-392. https://doi.org/10.1017/S002185960001491X

The effects of magnesium sulphate on sugar-beet yield and its interactions with other fertilizers

A - Papers appearing in refereed journals

Tinker, P. B. 1967. The effects of magnesium sulphate on sugar-beet yield and its interactions with other fertilizers. The Journal of Agricultural Science. 68 (2), pp. 205-212. https://doi.org/10.1017/S0021859600016245

Results of an experiment at Woburn testing farmyard manure and N, P and K fertilizers on five arable crops and a long ley: I. Yields

A - Papers appearing in refereed journals

Widdowson, F. V. and Penny, A. 1967. Results of an experiment at Woburn testing farmyard manure and N, P and K fertilizers on five arable crops and a long ley: I. Yields. The Journal of Agricultural Science. 68 (1), pp. 95-102. https://doi.org/10.1017/S0021859600017901

Experiments comparing the effects on yields of potatoes of three methods of applying three amounts of NPK fertilizer and the residual effects on following winter wheat

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Williams, R. J. B. 1967. Experiments comparing the effects on yields of potatoes of three methods of applying three amounts of NPK fertilizer and the residual effects on following winter wheat. The Journal of Agricultural Science. 69 (2), pp. 247-257. https://doi.org/10.1017/S0021859600018657

Experiments measuring effects of ammonium and nitrate fertilizers, with and without sodium and potassium, on spring barley

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Williams, R. J. B. 1967. Experiments measuring effects of ammonium and nitrate fertilizers, with and without sodium and potassium, on spring barley. The Journal of Agricultural Science. 69 (2), pp. 197-207. https://doi.org/10.1017/S0021859600018591

Results of an experiment at Woburn testing farmyard manure and N, P and K fertilizers on five arable crops and on a long ley: II. N, P and K removed by the crops

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Williams, R. J. B. 1967. Results of an experiment at Woburn testing farmyard manure and N, P and K fertilizers on five arable crops and on a long ley: II. N, P and K removed by the crops. The Journal of Agricultural Science. 68 (2), pp. 293-300. https://doi.org/10.1017/S0021859600016361

Exchange Equilibria of Sodium on Some British Soils

A - Papers appearing in refereed journals

Tinker, P. B. and Bolton, J. 1966. Exchange Equilibria of Sodium on Some British Soils. Nature. 2`2 (5061), p. 548. https://doi.org/10.1038/212548a0

An experiment measuring effects of N, P and K fertilizers on yield and N, P and K contents of grazed grass

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Williams, R. J. B. 1966. An experiment measuring effects of N, P and K fertilizers on yield and N, P and K contents of grazed grass. The Journal of Agricultural Science. 67 (1), pp. 121-128. https://doi.org//10.1017/S0021859600067654

Ammonia as a fertiliser

A - Papers appearing in refereed journals

Gasser, J. K. R. and Widdowson, F. V. 1966. Ammonia as a fertiliser. Journal of the Institute of Corn and Agricultural Merchants - ICAM. (Winter), pp. 1-4.

The effects of nitrogen, potassium and sodium fertilizers on sugar beet

A - Papers appearing in refereed journals

Tinker, P. B. 1965. The effects of nitrogen, potassium and sodium fertilizers on sugar beet. The Journal of Agricultural Science. 65 (2), pp. 207-212. https://doi.org/10.1017/S0021859600083933

Experiments measuring the residual effects of nitrogen fertilizers

A - Papers appearing in refereed journals

Widdowson, F. V. and Penny, A. 1965. Experiments measuring the residual effects of nitrogen fertilizers. The Journal of Agricultural Science. 65 (2), pp. 195-200. https://doi.org/10.1017/S002185960008391X

An experiment measuring effects of N, P and K fertilizers on yield and N, P and K contents of grass

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Williams, R. J. B. 1965. An experiment measuring effects of N, P and K fertilizers on yield and N, P and K contents of grass. The Journal of Agricultural Science. 64 (1), pp. 93-100. https://doi.org/10.1017/S0021859600010522

Experiments comparing concentrated and dilute NPK fertilizers and four nitrogen fertilizers on a range of crops

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Williams, R. J. B. 1965. Experiments comparing concentrated and dilute NPK fertilizers and four nitrogen fertilizers on a range of crops. The Journal of Agricultural Science. 65 (1), pp. 45-55. https://doi.org/10.1017/S002185960008535X

An experiment comparing responses to nitrogen fertilizer of four grass species Part II Residual effects in wheat and barley

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Williams, R. J. B. 1964. An experiment comparing responses to nitrogen fertilizer of four grass species Part II Residual effects in wheat and barley. Experimental husbandry. 11, pp. 22-30.

Experiments comparing liquid and solid fertilisers for grass and kale

A - Papers appearing in refereed journals

Widdowson, F. V. and Penny, A. 1964. Experiments comparing liquid and solid fertilisers for grass and kale. Experimental husbandry. 10, pp. 97-100.

Experiments comparing broadcast and combine drilled dressings of several NPK fertilizers for spring barley

A - Papers appearing in refereed journals

Widdowson, F. V. and Penny, A. 1964. Experiments comparing broadcast and combine drilled dressings of several NPK fertilizers for spring barley. Experimental husbandry. 14, pp. 83-97.

Experiments testing P and K fertilizers on lucerne 1952-1957

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Williams, R. J. B. 1964. Experiments testing P and K fertilizers on lucerne 1952-1957. Experimental husbandry. 10, pp. 39-45.

Side-placing urea and other nitrogen fertilizers for spring barley

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Williams, R. J. B. 1964. Side-placing urea and other nitrogen fertilizers for spring barley. The Journal of Agricultural Science. 62 (1), pp. 73-82. https://doi.org/10.1017/S0021859600059803

An experiment comparing responses to nitrogen fertilizer of four grass species

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Williams, R. J. B. 1963. An experiment comparing responses to nitrogen fertilizer of four grass species. Experimental husbandry. 9, pp. 28-36.

Experiments comparing yield, and residual effects on winter wheat, of 1-year clover, rye-grass and clover-rye-grass leys

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Williams, R. J. B. 1963. Experiments comparing yield, and residual effects on winter wheat, of 1-year clover, rye-grass and clover-rye-grass leys. The Journal of Agricultural Science. 61 (3), pp. 397-408. https://doi.org/10.1017/S0021859600018128

Results of an experiment at Rothamsted testing farmyard manure and N, P and K fertilizers on five arable crops I. Yields

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Cooke, G. W. 1963. Results of an experiment at Rothamsted testing farmyard manure and N, P and K fertilizers on five arable crops I. Yields. The Journal of Agricultural Science. 60 (3), pp. 347-352. https://doi.org/10.1017/S002185960001193X

Results of an experiment at Rothamsted testing farmyard manure and N, P and K fertilizers on five arable crops II. Nutrients removed by crops

A - Papers appearing in refereed journals

Williams, R. J. B., Cooke, G. W. and Widdowson, F. V. 1963. Results of an experiment at Rothamsted testing farmyard manure and N, P and K fertilizers on five arable crops II. Nutrients removed by crops. The Journal of Agricultural Science. 60 (3), pp. 353-357. https://doi.org/10.1017/S0021859600011941

Residual value of superphosphate and rock phosphate on an acid soil I. Yields and phosphorus uptakes in the field

A - Papers appearing in refereed journals

Mattingly, G. E. G. and Widdowson, F. V. 1963. Residual value of superphosphate and rock phosphate on an acid soil I. Yields and phosphorus uptakes in the field. The Journal of Agricultural Science. 60 (3), pp. 399-407. https://doi.org/10.1017/S0021859600012004

Applying fertilizers for spring barley

A - Papers appearing in refereed journals

Widdowson, F. V. 1962. Applying fertilizers for spring barley. Annals of Applied Biology - AAB. 50 (2), pp. 356-360. https://doi.org/10.1111/j.1744-7348.1962.tb06029.x

Experiments with nitrogen and potash on potatoes

A - Papers appearing in refereed journals

Widdowson, F. V. and Penny, A. 1962. Experiments with nitrogen and potash on potatoes. Experimental husbandry. 8, pp. 30-39.

An experiment comparing urea-formaldehyde fertilizer with nitro-chalk for Italian ryegrass

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Williams, R. J. B. 1962. An experiment comparing urea-formaldehyde fertilizer with nitro-chalk for Italian ryegrass. The Journal of Agricultural Science. 59 (2), pp. 263-268. https://doi.org/10.1017/S002185960001529X

Applying nitrogen fertilizers for spring barley

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Williams, R. J. B. 1961. Applying nitrogen fertilizers for spring barley. The Journal of Agricultural Science. 56 (1), pp. 39-47. https://doi.org/10.1017/S0021859600023789

Autumn nitrogen for winter wheat

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Williams, R. J. B. 1961. Autumn nitrogen for winter wheat. The Journal of Agricultural Science. 57 (3), pp. 329-334. https://doi.org/10.1017/S0021859600049297

Experiments with nitrogen and potash on barley

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Williams, R. J. B. 1961. Experiments with nitrogen and potash on barley. The Journal of Agricultural Science. 57 (1), pp. 29-33. https://doi.org/10.1017/S0021859600049972

Fertilizer placement

A - Papers appearing in refereed journals

Widdowson, F. V. 1960. Fertilizer placement. NAAS Quarterly Review. 48, pp. 147-150.

Experiments with urea on spring barley.

A - Papers appearing in refereed journals

Widdowson, F. V. and Penny, A. 1960. Experiments with urea on spring barley. Experimental husbandry. 5, pp. 22-26.

Comparisons of casein and formalized casein with ammonium sulphate, calcium nitrate and urea for Italian ryegrass

A - Papers appearing in refereed journals

Widdowson, F. V. and Shaw, K. 1960. Comparisons of casein and formalized casein with ammonium sulphate, calcium nitrate and urea for Italian ryegrass. The Journal of Agricultural Science. 55 (1), pp. 53-59. https://doi.org/10.1017/S0021859600021602

The value of calcium nitrate and urea for main-crop potatoes and kale

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A., Williams, R. J. B. and Cooke, G. W. 1960. The value of calcium nitrate and urea for main-crop potatoes and kale. The Journal of Agricultural Science. 55 (1), pp. 1-10. https://doi.org/10.1017/S0021859600021560

Effects of fertilisers and farmyard manure on the copper, manganese, molybdenum and zinc removed by arable crops at Rothamsted

A - Papers appearing in refereed journals

Williams, R. J. B., Stojkovska, A., Cooke, G. W. and Widdowson, F. V. 1960. Effects of fertilisers and farmyard manure on the copper, manganese, molybdenum and zinc removed by arable crops at Rothamsted. Journal of the Science of Food and Agriculture. 11 (10), pp. 570-575. https://doi.org/10.1002/jsfa.2740111004

The value of calcium nitrate and urea for spring-sown cereals

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A., Williams, R. J. B. and Cooke, G. W. 1959. The value of calcium nitrate and urea for spring-sown cereals. The Journal of Agricultural Science. 52 (2), pp. 200-206. https://doi.org/10.1017/S0021859600036698

The effects of nitrogen upon three stiff-strawed winter wheat varieties

A - Papers appearing in refereed journals

Widdowson, F. V. 1959. The effects of nitrogen upon three stiff-strawed winter wheat varieties . The Journal of Agricultural Science. 53 (1), pp. 17-24. https://doi.org/10.1017/S0021859600030872

Field experiments on phosphate fertilizers. A joint investigation

A - Papers appearing in refereed journals

Cooke, G. W. and Widdowson, F. V. 1959. Field experiments on phosphate fertilizers. A joint investigation. The Journal of Agricultural Science. 53 (1), pp. 46-63. https://doi.org/10.1017/S0021859600030914

Comparisons between combine-drilling and broadcasting muriate of potash for spring barley

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A., Williams, R. J. B. and Cooke, G. W. 1959. Comparisons between combine-drilling and broadcasting muriate of potash for spring barley. The Journal of Agricultural Science. 53 (1), pp. 10-16. https://doi.org/10.1017/S0021859600030860

Comparisons between placing and broadcasting of nitrogen, phosphorus and potassium fertilizers for potatoes, peas, beans, kale and maize

A - Papers appearing in refereed journals

Widdowson, F. V. and Cooke, G. W. 1958. Comparisons between placing and broadcasting of nitrogen, phosphorus and potassium fertilizers for potatoes, peas, beans, kale and maize. The Journal of Agricultural Science. 51 (1), pp. 53-61. https://doi.org/10.1017/S0021859600032780

Nitrogen fertilizers for spring barley and wheat

A - Papers appearing in refereed journals

Widdowson, F. V. and Cooke, G. W. 1958. Nitrogen fertilizers for spring barley and wheat. The Journal of Agricultural Science. 50 (3), pp. 312-321. https://doi.org/10.1017/S0021859600031518

Observations on the development of Heterodera rostochiensis Woll. in sterile root cultures

A - Papers appearing in refereed journals

Doncaster, C. C., Fenwick, D. W. and Widdowson, F. V. 1958. Observations on the development of Heterodera rostochiensis Woll. in sterile root cultures. Nematologica. 3 (4), pp. 308-314. https://doi.org/10.1163/187529258X00076

The value of nitrophosphate fertilizers

A - Papers appearing in refereed journals

Cooke, G. W., Mattingly, G. E. G. and Widdowson, F. V. 1958. The value of nitrophosphate fertilizers. The Journal of Agricultural Science. 50 (3), pp. 253-259. https://doi.org/10.1017/S0021859600031440

Uptake of phosphorus from P32-labelled superphosphate by field crops Part II. Comparison of placed and broadcast applications to barley

A - Papers appearing in refereed journals

Mattingly, G. E. G. and Widdowson, F. V. 1958. Uptake of phosphorus from P32-labelled superphosphate by field crops Part II. Comparison of placed and broadcast applications to barley. Plant and Soil. 10 (2), pp. 161-175. https://doi.org/10.1007/BF01394262

Uptake of phosphorus from P³²-labelled superphosphate by field crops: part I Effects of simultaneous application of non-radioactive phosphorus fertilizers

A - Papers appearing in refereed journals

Mattingly, G. E. G. and Widdowson, F. V. 1958. Uptake of phosphorus from P³²-labelled superphosphate by field crops: part I Effects of simultaneous application of non-radioactive phosphorus fertilizers. Plant and Soil. 9 (3), pp. 286-304.

Report on 1956 experiments on winter and spring sown cereals comparing methods of application of nitrogen and potassium fertilizers and forms of nitrogen fertilizers

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Cooke, G. W. 1957. Report on 1956 experiments on winter and spring sown cereals comparing methods of application of nitrogen and potassium fertilizers and forms of nitrogen fertilizers.

The value of mid-season top-dressings of nitrogen fertilizer for main-crop potatoes

A - Papers appearing in refereed journals

Cooke, G. W., Widdowson, F. V. and Wilcox, J. C. 1957. The value of mid-season top-dressings of nitrogen fertilizer for main-crop potatoes. The Journal of Agricultural Science. 49 (1), pp. 81-87. https://doi.org/10.1017/S0021859600034341

Investigations on soil nitrogen I The influence of nitrogen fertilizers and rainfall on soil nitrate concentrations

A - Papers appearing in refereed journals

Cooke, G. W., Bates, J. A. R. and Tinker, P. B. 1957. Investigations on soil nitrogen I The influence of nitrogen fertilizers and rainfall on soil nitrate concentrations. Journal of the Science of Food and Agriculture. 8 (4), pp. 248-252. https://doi.org/10.1002/jsfa.2740080411

The value of nitrophosphate for spring-sown cereals

A - Papers appearing in refereed journals

Cooke, G. W. and Widdowson, F. V. 1956. The value of nitrophosphate for spring-sown cereals. The Journal of Agricultural Science. 47 (1), pp. 112-116. https://doi.org/10.1017/S0021859600039824

Report on 1956 experiments comparing placing and broadcasting of nitrogen, phosphorus and potassium for potatoes, peas, beans, kale and maize

A - Papers appearing in refereed journals

Widdowson, F. V., Penny, A. and Cooke, G. W. 1956. Report on 1956 experiments comparing placing and broadcasting of nitrogen, phosphorus and potassium for potatoes, peas, beans, kale and maize.

Comparisons of ammonium sulphate, calcium nitrate, and urea for potatoes and kale

A - Papers appearing in refereed journals

Cooke, G. W., Penny, A. and Widdowson, F. V. 1956. Comparisons of ammonium sulphate, calcium nitrate, and urea for potatoes and kale. ARC Conference on Fertilisers.

Fertilizer placement for horticultural crops

A - Papers appearing in refereed journals

Cooke, G. W., Jackson, M. V., Widdowson, F. V. and Wilcox, J. C. 1956. Fertilizer placement for horticultural crops. The Journal of Agricultural Science. 47 (2), pp. 249-256. https://doi.org/10.1017/S0021859600040181

The use of 32 P labelled fertilizers to measure superphosphate equivalents of fertilizers in field and pot experiments

A - Papers appearing in refereed journals

Mattingly, G. E. G. and Widdowson, F. V. 1956. The use of 32 P labelled fertilizers to measure superphosphate equivalents of fertilizers in field and pot experiments . Des Rapports presentes au congres international de las science du sol VIth Paris. pp. 461-470.

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