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Applying nitrogen fertilizers for spring barley

Published online by Cambridge University Press:  27 March 2009

F. V. Widdowson
Affiliation:
Chemistry Department, Rothamsted Experimental Station, Harpenden, Herts.
A. Penny
Affiliation:
Chemistry Department, Rothamsted Experimental Station, Harpenden, Herts.
R. J. B. Williams
Affiliation:
Chemistry Department, Rothamsted Experimental Station, Harpenden, Herts.

Extract

1. Fifteen experiments on spring barley (mainly Proctor), done from 1957 to 1959, compared alternative alternative methods of applying 0·3, 0·6 and 0·9 cwt. N/acre.

2. Combine-drilling 0·3 or 0·6 cwt. N/acre as ammonium sulphate produced higher mean yields than broadcasting, but drilling 0·9 cwt. N/acre checked early growth and reduced mean yields in two of the three seasons.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1961

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References

Widdowson, F. V. & Cooke, G. W. (1958). J. Agric. Sci. 50, 312.CrossRefGoogle Scholar
Widdowson, F. V., Penny, A., Williams, R. J. B. & Cooke, G. W. (1959). J. Agric. Sci. 52, 200.CrossRefGoogle Scholar

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