Results of an experiment at Rothamsted testing farmyard manure and N, P and K fertilizers on five arable crops and permanent grass III. Yields 1961–1965
Widdowson, F. V. and Penny, A.
(1968)
Results of an experiment at Rothamsted testing farmyard manure and N, P and K fertilizers on five arable crops and permanent grass III. Yields 1961–1965.
The Journal of Agricultural Science, 70 (1).
pp. 53-58.
10.1017/S0021859600017184
RESP-5713
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