A. Penny

Agricultural and Biological Sciences · Life Sciences

15h-index887citations78works0.02yr avg
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Research Topics

Crop Yield and Soil Fertility(30), Soil Carbon and Nitrogen Dynamics(22), Soil and Water Nutrient Dynamics(14), Agricultural Science and Fertilization(11), Ruminant Nutrition and Digestive Physiology(10)

Publications77 total

Postsurgical Rehabilitation in Cancer
2025
Postsurgical Rehabilitation in Cancer
2018· 1 cited
Effects of previous crop, sowing date, and winter and spring applications of nitrogen on the growth, nitrogen uptake and yield of winter wheat
The Journal of Agricultural Science·1993· 21 cited
Uptake of foliar‐applied urea by winter wheat (<i>Triticum aestivum</i>): The influence of application time and the use of a new <sup>15</sup>N technique
Journal of the Science of Food and Agriculture·1989· 32 cited
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·1988· 10 cited
Amounts of NO<sub>3</sub>-N and NH<sub>4</sub>-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·1987· 40 cited
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·1987· 7 cited
Recovery of <sup>15</sup>N‐labelled urea applied to the foliage of winter wheat
Journal of the Science of Food and Agriculture·1987· 19 cited
Some factors affecting the growth and yield of winter wheat grown as a third cereal with much or negligible take-all
The Journal of Agricultural Science·1986· 54 cited
A comparison of the effects of prilled urea, used alone or with a nitrification or urease inhibitor, with those of ‘Nitro-Chalk’
The Journal of Agricultural Science·1986· 8 cited
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·1986· 7 cited
Effects of nitrification inhibitors on uptakes of mineralised nitrogen and on yields of winter cereals grown on sandy soil after ploughing old grassland
Journal of the Science of Food and Agriculture·1985· 25 cited
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 (<i>Gaeumannomyces graminis</i> var. <i>tritici</i>), on two varieties at Saxmundham, Suffolk 1980–3
The Journal of Agricultural Science·1985· 21 cited
Some factors limiting the growth and yield of winter wheat and their variation in two seasons
The Journal of Agricultural Science·1985· 45 cited
Assessing the need of maincrop potatoes for late nitrogen by using isobutylidene di-urea, by injecting trification inhibitors with aqueous N fertilizers and by dividing dressings of ‘Nitro-Chalk’
The Journal of Agricultural Science·1984· 7 cited
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·1984· 9 cited
The effect of sowing date and of leaching on soil nitrogen supply for winter wheat at Rothamsted and Woburn 1981
Rothamsted Repository (Rothamsted Repository)·1984
Effects of several nitrification inhibitors, when injected with aqueous urea, on yields and nitrogen recoveries of ryegrass leys
The Journal of Agricultural Science·1983· 11 cited
Effects of eight factors on the growth and nutrient uptake of winter wheat and on the incidence of pests and diseases
The Journal of Agricultural Science·1983· 61 cited
Experiments with solid and liquid N-fertilizers and fungicides on winter wheat at Saxmundham, Suffolk, 1976–9
The Journal of Agricultural Science·1983· 12 cited
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Frequent Co-authors

F. V. Widdowson(37), R. J. B. Williams(12), M. V. Hewitt(7), J. F. Jenkyn(6), A. D. Todd(5), G. A. Rodgers(5), R. D. Prew(4), G. W. Cooke(3), B. M. Church(3), A. M. Dewar(3), J. Lacey(3), R. T. Plumb(3), Richard J. Darby(3), Michael V. Hewitt(3), R. C. Flint(3), GILLIAN N. THORNE(2), Tony D. Williams(2), G. N. Thorne(2), D. S. Powlson(2), P. R. Poulton(2)