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_a595.7 _bAl29 |
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| 245 |
_aInsects (The Yearbook of Agriculture) _cEdited by Alfred Stefferud |
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| 260 |
_aWashington : _bDepartment of Agriculture, _c1952. |
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| 300 | _a780 p. | ||
| 710 | _aStefferud, Alfred, ed. | ||
| 942 | _cBK | ||
| 505 | _aContents 1.Introducing the Insects 2.How to Know an Insects 3.Insects as Helpers 4. Insects as Destroyers 5. The Nature of Insecticides 6. Applying Insecticides 7. Warnings as to Insecticides 8. Resistance to Insecticides 9. Fumigants 10.Quarantines 11.Other Controls 12.Economic Entomology 13.Insects, Man and Homes 14.Insects on Cotton 15.Insects and Vegetables 16.Insects on Fruit 17.Insects on Field Crops 18.Pests on Ornamentals 19.Livestock and Insects 20.Forests, Trees and Pests 21.Insects and Wildlife | ||