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The first part of this volume presents in brief the life cycles of all the most important crop insect pests in the United States. Knowledge of the life cycle is necessary to a clear understanding of the insect and the injury which is often done by it in its larvae stage. The second part of this volume provides brief descriptions and illustrations of the most common weed pests and fungus diseases of crops in the United States.
Agricultural Aviation Academy, Douglas County Airport
agriculture, aerial spraying
Air Applicator Institute, "Understanding Crop Pests" (1964). Air Applicator Information Series. 6.