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Applying nitrogen fertilizers for spring barley

Published online by Cambridge University Press:  27 March 2009

F. V. Widdowson ,
A. Penny  and
R. J. B. Williams
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.
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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
Information
The Journal of Agricultural Science , Volume 56 , Issue 1 , February 1961 , pp. 39 - 47
Copyright
Copyright © Cambridge University Press 1961

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References

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