55 pages matching insecticides in this book
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acres activities administrative agencies Agricultural Adjustment Administration allotments amount animals approved AUCHTER authorized Bang's disease birds breeding Budget estimate Bureau of Entomology CANNON carried cattle Civil Airway commercial cooperation Cooperative Farm coordination cost cotton crops decrease determine DIRKSEN Dutch elm disease economic effect EISENHOWER emergency funds eradication expenditures expenses experiment stations farm forestry farmers Federal Federal-aid fertilizer field fiscal year 1937 Forest Service GABRIELSON Government highway important improvement increase industry infestation insecticides insects investigations laboratory land LEAVY MACDONALD McCALL MCFARLANE ment methods MOHLER municipal airport national forests necessary operations percent personnel pests plants production Puerto Rico purchase purpose quarantine record reduced roads screwworm Secretary of Agriculture Secretary WALLACE seed SILCOX Soil Conservation Service STRONG studies Sugar Act surveys TARVER THOM timber tion tobacco trees tuberculosis UMSTEAD United various wildlife