Results from the Rothamsted Reference Experiment II. Yields of the Crops and Recoveries of N, P and K from Manures and Soil, 1971-75
Widdowson, F. V., Penny, A. and , Bird, E.
(1980)
Results from the Rothamsted Reference Experiment II. Yields of the Crops and Recoveries of N, P and K from Manures and Soil, 1971-75.
Rothamsted Experimental Station Report, 1979 (2).
pp. 63-75.
C140
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