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The plant disease situation
Proportion of various rough products in second-growth stands
Classification of the Cryphalinae with descriptions of new genera and species
Report of the President's committee on wild-life restoration
A national program of research for forage, range and pasture
Prepackaging fruits and vegetables by cooperatives
Observations on cases of mushroom poisoning in the District of Columbia
The battle against the weeds
Three new weeds of the mustard family
Fertilizer resources of the United States