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r p cocke
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Experiments with alfalfa in eastern Virginia
R. P. Cocke · Virginia Polytechnic Institute. Virginia Agricultural Experiment Station
16 sayfa · 1926
Alfalfa / Field experiments
Alfalfa experiments
Lyman Carrier, E. R. Hodgson, R. P. Cocke · Virginia Polytechnic Institute. Virginia Agricultural Experiment Station
20 sayfa · 1914
Alfalfa / Field experiments