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Relation of the depth to which the soil is wet at seeding time to the yield of spring wheat on the Great Plains
Inspection and grading services for processed fruits and vegetables
The sand wireworm
Control of bacterial wilt (Bacterium solanacearum) of tobacco as influenced by crop rotation and chemical treatment of the soil
The pickleworm : how to control it on cucumber - squash - cantaloup - and other cucurbits
Sample plots in silvicultural research
Tree hoppers and their control in the orchards of the Pacific Northwest
A study of arsenical dusting of cabbage in relation to poison residues
Parasites and predators of the Mexican bean beetle in the United States
The western pine beetle : a serious enemy of ponderosa pine
