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Field shelterbelts for soil conservation
Bees in relation to fruit
Protection of farm-stored grains and oilseeds from insects, mites, and molds
Proceedings of the ninth annual meeting of the Association of Economic Entomologists
Wild and cultivated plants poisonous to humans in Canada : a preliminary inventory
The culture of tobacco
The San José scale, aspidiotus perniciosus
Adulteration of mixed feeds
Trends in fresh fruit and vegetable transportation, 1963-75
Remedies for common plant and insect foes