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Results of an experiment at Woburn testing farmyard manure and N, P and K fertilizers on five arable crops and on a long ley:II. N, P and K removed by the crops

Published online by Cambridge University Press:  27 March 2009

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

1. From 1960 to 1964 an experiment at Woburn, Bedfordshire, measured yields and the amounts of N, P and K removed by five arable crops (barley, grass-clover ley, potatoes, oats and sugar beet) and by a long ley; each was manured with all combinations of N, P and K fertilizers and with farmyard manure (D) and with both fertilizers and farmyard manure (DN1PK and DN2PK).

Type
Research Article
Information
The Journal of Agricultural Science , Volume 68 , Issue 2 , April 1967 , pp. 293 - 300
Copyright
Copyright © Cambridge University Press 1967

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References

REFERENCES

Williams, R. J. B., Cooke, G. W. & Widdowson, F.V. (1963). Results of an experiment at Rothamsted testing farmyard manure and N, P and K fertilisers on five arable crops. II. Nutrients removed by crops. J. agric. Sci., Camb. 60, 353.CrossRefGoogle Scholar
Widdowson, F. V. & Penuy, A. (1966). Results of an experiment at Woburn testing farmyard manure and N, P and K fertilizers on five arable crops and a long ley. I. Yields. J. agric. Sci., Camb. 68, 95–102.CrossRefGoogle Scholar