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The interaction of drainage and the response of winter wheat to nitrogen fertilizers: some preliminary results

Published online by Cambridge University Press:  27 March 2009

A. C. Armstrong
A. C. Armstrong
Affiliation:
Field Drainage Experimental Unit, Ministry of Agriculture, Fisheries and Food, Anstey Hall, Maris Lane, Trumpington, Cambridge CB2 2LF
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Extract

Previous studies have indicated that improved artificial drainage increases yields of winter wheat by as much as 1 t/ha (Armstrong 1978), and suggested that an important component of this improved yield was the more effective utilization of nitrogenous fertilizer. Further data to support this hypothesis are here presented from the longterm drainage economics experiment at the Drayton Experimental Husbandry Farm, Warwickshire, England (Trafford & Oliphant, 1977; Bee, Dennis & Marks, 1978; Armstrong, 1978). The soil of this site is a non-calcareous pelo-stagnogley of the Denchworth series, and the mean annual rainfall is 617 mm. Both the soil and the climate are typical of much of the English midlands. The results presented here are, however, restricted to a single site, and are consequently tentative.

Type
Short Notes
Information
The Journal of Agricultural Science , Volume 95 , Issue 1 , August 1980 , pp. 229 - 231
Copyright
Copyright © Cambridge University Press 1980

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References

Armstrong, A. C. (1978). The effect of drainage treatments on cereal yields: results from experiments on clay lands. Journal of Agricultural Science, Cambridge 91, 229–235.CrossRefGoogle Scholar
Bee, R., Dennis, C. W. & Marks, M. (1978). Drayton EHF, Warwickshire. Section 2 of A progress report on FDEU sites for 1977 (ed. Harris, G. L.). Field Drainage Experimental Unit Technical Report 78/4, pp. 3–20.Google Scholar
Trafford, B. D. & Oliphant, J. (1977). The effects of different drainage systems on soil conditions and crop yield of a heavy clay soil. Experimental Husbandry 32, 75–85.Google Scholar