Comparative experiments with field crops
DYKE, G. V
Comparative experiments with field crops - London 1988 - 262p
AGRICULTURE -- EXPERIMENTATION
AGRICULTURE -- EXPERIMENTATION FIELD EXPERIMENTS
630.724 D98C
Comparative experiments with field crops - London 1988 - 262p
AGRICULTURE -- EXPERIMENTATION
AGRICULTURE -- EXPERIMENTATION FIELD EXPERIMENTS
630.724 D98C