Comparative experiments with field crops
Dyke, G.V
Comparative experiments with field crops - London Butterworths 1974 - 23cm. 211
AGRICULTURE -- EXPERIMENTATION
AGRICULTURE -- EXPERIMENTATION FIELD EXPERIMENTS
630.724 D98C
Comparative experiments with field crops - London Butterworths 1974 - 23cm. 211
AGRICULTURE -- EXPERIMENTATION
AGRICULTURE -- EXPERIMENTATION FIELD EXPERIMENTS
630.724 D98C