Number of items: 16.
Nitrogen requirement of cereals .1. Response curves. (1976)
Boyd, David A., Yuen, L. T. K., Needham, P. H.
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Nitrogen requirement of cereals .2. Multilevel nitrogen tests with spring barley in southwestern England. (1976)
Needham, P. H., Boyd, David A.
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Manuring of potatoes on fen silt soils in holland, lincolnshire. (1973)
Berryman, C., Batey, T., Caldwell, T. H., Boyd, David A.
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Nitrogen requirement of sugar beet grown on mineral soils. (1970)
Boyd, David A., Tinker, P. B., Draycott, A. P., Last, P. J.
Statistics of crop responses to fertilizers - rome-food-and-agricultural-organisation. (1967)
Boyd, David A.
Two decades of surveys of fertilizer practice. (1965)
Yates, Frank, Boyd, David A.
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Fertilizer experiments on maincrop potatoes 1955–61. (1964)
Boyd, David A., Dermontt, W.
Fertilizer experiments on maincrop potatoes 1955–61. (1964)
Boyd, David A., Dermott, W.
The Rothamsted Ley-arable Rotation Experiment. (1962)
Boyd, David A., Cooke, George William, Dyke, George V., Moffatt, J. R., Warren, R. G.
Manuring of sugar beet. (1957)
Boyd, David A.
Economic and statistical aspects of vegetable an animal foods. (1951)
Boyd, David A.
The survey of fertilizer practice. An example of operational research in agriculture. (1951)
Yates, Frank, Boyd, David A.
The relative yields of different crops in terms of food and their responses to fertilizers. (1949)
Yates, Frank, Boyd, David A.
The residual manurial value of feeding stuffs consumed on grass. (1949)
Boyd, David A., Crowther, Edward Mortimer, Moffatt, J. R., Yates, Frank
The manuring of farm crops: some results of a survey of fertilizer practice in England. (1944)
Yates, Frank, Boyd, David A., Mathison, I.
The estimation of Rothamsted temperature from the temperature of Oxford and Greenwich. (1939)
Boyd, David A.
This list was generated on Mon Mar 9 01:10:55 2026 GMT.
