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
Widdowson, F. V. and Penny, A.
(1967)
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.
The Journal of Agricultural Science, 68 (1).
pp. 95-102.
10.1017/S0021859600017901
RESP-5527
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