Barnard, M. M. 1936. An examination of the sampling observations on wheat of the crop-weather scheme. The Journal of Agricultural Science. 26 (3), pp. 456-487. https://doi.org/10.1017/S0021859600022772
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
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
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
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
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
Patterson, H. D. 1960. An experiment on the effects of straw ploughed in or composted on a three-course rotation of crops. The Journal of Agricultural Science. 54 (2), pp. 222-230. https://doi.org/10.1017/S0021859600022395
Subrahmanyan, V. 1927. An improved method for the determination of dissolved oxygen in water. The Journal of Agricultural Science. 17 (4), pp. 468-476. https://doi.org/10.1017/S0021859600018761
Nowotnowa, A. 1937. An investigation of nitrogen uptake in mixed crops not receiving nitrogenous manure. The Journal of Agricultural Science. 27 (4), pp. 505-510. https://doi.org/10.1017/S0021859600050413
Leigh, R. A. and Johnston, A. E. 1986. An investigation of the usefulness of phosphorus concentrations in tissue water as indicators of the phosphorus status of field-grown spring barley. The Journal of Agricultural Science. 107 (2), pp. 329-333. https://doi.org/10.1017/S0021859600087128
C1 - Edited contributions to conferences/learned societies
Dhanoa, M. S., Dijkstra, J., France, J. and Thornley, J. H. M. 1995. Analysis of gas production curves from in vitro incubation of ruminants feeds. Proceedings of the 26th Meeting of the Agricultural Research Modellers Group, Royal Society London, 7 April 1995. Cambridge University Press (CUP).
Free, J. B. and Spencer-Booth, Y. 1961. Analysis of honey farmers' records on queen rearing and queen introduction. The Journal of Agricultural Science. 56, pp. 325-331.
Thorne, G. N. 1957. Application of an April top-dressing of nitrogen to winter wheat in a spray with 2, 4-dichlorophenoxyacetic acid. The Journal of Agricultural Science. 48 (3), pp. 266-272. https://doi.org/10.1017/S0021859600031622
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
Prew, R. D. 1994. Aspects of Applied Biology 36: Cereal Quality III, eds Kettlewell P. S., Garstang J. R., Duffus C. M., Magan N., Thomas W. T. B. & Paveley N. D.. viii + 489 pp. Wellesbourne: The Association of Applied Biologists (1993). £42.00 or $85.00 (paperback). ISSN 0265 1491. The Journal of Agricultural Science. 123 (2), pp. 298-298. https://doi.org/10.1017/S0021859600068672
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
Bollons, H. M. and Barraclough, P. B. 1999. Assessing the phosphorus status of winter wheat crops: inorganic orthophosphate in whole shoots. The Journal of Agricultural Science. 133, pp. 285-295. https://doi.org/10.1017/S0021859699007066
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
Draycott, A. P., Durrant, M. J. and Bennett, S. N. 1975. Availability to arable crops of magnesium from kieserite and 2 forms of calcined magnesite. The Journal of Agricultural Science. 84 (3), pp. 475-480.
Subrahmanyan, V. 1927. Biochemistry of water-logged soils II The presence of a deaminase in water-logged soils and its role in the production of ammonia. The Journal of Agricultural Science. 17 (4), pp. 449-467. https://doi.org/10.1017/S002185960001875X
Subrahmanyan, V. 1927. Biochemistry of water-logged soils Part I The effect of water-logging on the different forms of nitrogen, on the reaction, on the gaseous relationships, and on the bacterial flora. The Journal of Agricultural Science. 17 (4), pp. 429-448. https://doi.org/10.1017/S0021859600018748
Subrahmanyan, V. 1929. Biochemistry of waterlogged soils Part III Decomposition of carbohydrates with special reference to formation of organic acids. The Journal of Agricultural Science. 19 (4), pp. 627-648. https://doi.org/10.1017/S0021859600013356
G - Articles in popular magazines and other technical publications
Hopkins, A. 2006. Book Review: Forage legumes for temperate grassland. Frame, J (eds.) Enfield (NH) USA: Science Publishers Inc. and Rome: Food and Agriculture of the United Nations (2005). 309pp. The Journal of Agricultural Science. 144, p. p94. https://doi.org/10.1017/S0021859606226054
Morgan, C. L., Ladbrooke, Z. L., Bruce, D. M., Child, R. and Arthur, A. E. 2000. Breeding oilseed rape for pod shattering resistance. The Journal of Agricultural Science. 135, pp. 347-359. https://doi.org/10.1017/S0021859699008424
Hobson, R. P. 1931. Calcium and Hydrogen ion Concentration and the Interfacial Tension of Pyrethrum Extracts (With Four Text-figures). The Journal of Agricultural Science. 21 (1), pp. 101-114. https://doi.org/10.1017/S0021859600007978
Campbell, A. V. 1912. Carbohydrates of the mangold leaf. The Journal of Agricultural Science. 4 (3), pp. 248-259. https://doi.org/10.1017/S0021859600001349
Cunningham, R. K. and Karim, A. 1965. Cation-anion relationships in crop nutrition IV Maximum contents of cations and anions in Italian rye-grass. The Journal of Agricultural Science. 64 (2), pp. 229-233. https://doi.org/10.1017/S0021859600064807
Cunningham, R. K. 1964. Cation-anion relationships in crop nutrition: I. Factors affecting cations in Italian rye-grass. The Journal of Agricultural Science. 63 (1), pp. 97-101. https://doi.org/10.1017/S0021859600015124
Cunningham, R. K. 1964. Cation-anion relationships in crop nutrition: II. Factors affecting the ratios of sum of the cations: sum of the anions in Italian rye-grass. The Journal of Agricultural Science. 63 (1), pp. 103-108. https://doi.org/10.1017/S0021859600015136
Cunningham, R. K. 1964. Cation-anion relationships in crop nutrition: III. Relationships between the ratios of sum of the cations: sum of the anions and nitrogen concentrations in several plant species. The Journal of Agricultural Science. 63 (1), pp. 109-111. https://doi.org/10.1017/S0021859600015148
Cunningham, R. K. and Nielsen, K. F. 1965. Cation-anion relationships in crop nutrition: V. The effects of soil temperature, light intensity and soil-water tension. The Journal of Agricultural Science. 64 (3), pp. 379-386. https://doi.org/10.1017/S0021859600016713
Cunningham, R. K. 1968. Cation-anion relationships in crop nutrition: VI. The effect of part, age and species of plant and some soil characteristics. The Journal of Agricultural Science. 70, pp. 237-244. https://doi.org/10.1017/S0021859600012533
Bolton, J. 1972. Changes in magnesium and calcium in soils of the Broadbalk wheat experiment at Rothamsted from 1865 to 1966. The Journal of Agricultural Science. 79 (2), pp. 217-223. https://doi.org/10.1017/S0021859600032184
Bolton, J. 1977. Changes in soil-pH and exchangeable calcium in two liming experiments on contrasting soils over 12 years. The Journal of Agricultural Science. 89 (1), pp. 81-86. https://doi.org/10.1017/s0021859600027210
Jaggard, K. W., Clark, C. J. A., May, M. J., Mccullagh, S. and Draycott, A. P. 1997. Changes in the weight and quality of sugarbeet (Beta vulgaris) roots in storage clamps on farms. The Journal of Agricultural Science. 129 (3), pp. 287-301. https://doi.org/10.1017/S0021859697004747
Garbouchev, I. P. 1966. Changes occurring during a year in the soluble phosphorus and potassium in soil under crops in rotation experiments at Rothamsted, Woburn and Saxmundham. The Journal of Agricultural Science. 66 (3), pp. 399-412. https://doi.org/10.1017/S0021859600063711
Dyke, G. V. 1988. Changes with time of crop yields in a long-term experiment. The Journal of Agricultural Science. 111 (2), pp. 317-332. https://doi.org/10.1017/S002185960008326X
Bardner, R., Fletcher, K. E. and Griffiths, D. C. 1983. Chemical control of the pea and bean weevil, sitona-lineatus l, and subsequent effects on the yield of field beans Vicia faba L. The Journal of Agricultural Science. 101 (1), pp. 71-80. https://doi.org/10.1017/s0021859600036388
Al-Nakib, F. M. S., Bateman, N., Findlay, R. H., Smith, C. and Thompson, R. 1997. Comparative performance of British hill sheep breeds and crosses. The Journal of Agricultural Science. 128 (2), pp. 199-206. https://doi.org/10.1017/S0021859696003991