Gardening Without PoisonsHoughton Mifflin, 1971 - 318 pages Gardening Without Poisons shows us how to work with, not against, the balance of nature. We can lessen or eliminate damage to crops by using natural predators, natural insecticides, organic fertilizers and soil conditioners, and many other methods not harmful to the environment or ourselves. This comprehensive and practical book tells us how and why natural control methods are both effective and important. |
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Page 21
... pests of both agricultural crops and forest trees . For centuries Chinese ... insect pests of the forest . Ants feed extensively on many insects that pass ... of arthropods are now under study . The Vital Role of Insects 21.
... pests of both agricultural crops and forest trees . For centuries Chinese ... insect pests of the forest . Ants feed extensively on many insects that pass ... of arthropods are now under study . The Vital Role of Insects 21.
Page 25
... of insects is but another aspect of nature's plan and should not alarm gardeners . A balanced supply of insect life , both in the soil and above the ground , is one means of pre- venting any one insect from growing in numbers to pest ...
... of insects is but another aspect of nature's plan and should not alarm gardeners . A balanced supply of insect life , both in the soil and above the ground , is one means of pre- venting any one insect from growing in numbers to pest ...
Page 291
... Insect Microbiology . Ithaca : Comstock , 1946 . Pages 181-84 . Clausen , C. P. , " Microbial Control of Insect Pests , " Bio- logical Control of Insect Pests in the Continental United States . U.S. Dept. of Agric . Technical Bulletin ...
... Insect Microbiology . Ithaca : Comstock , 1946 . Pages 181-84 . Clausen , C. P. , " Microbial Control of Insect Pests , " Bio- logical Control of Insect Pests in the Continental United States . U.S. Dept. of Agric . Technical Bulletin ...
Contents
Prologue | 1 |
The Realities of Biology | 7 |
The Vital Role of Insects | 13 |
Copyright | |
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agricultural animals aphids apple areas attack attract Bacillus Thuringiensis bait bean beneficial insects biological control birds botanical cabbage caterpillars chemical citrus codling moth compost corn borer cotton cover crops cutworms damage destroy developed dust earthworms effective eggs Entomol entomologists experiments Farm farmers feed field flies Forest fungi fungus garden grass ground grow growers growth grubs Henry Doubleday humus infestation insect control insect pests insecticides Japanese beetle Jour kill Klamath weed lady beetles larvae leaves manure marigolds materials meal methods mites mosquito mulch mycorrhizal natural nematodes nitrogen nutrients orchards organic matter Pages parasites pathogens percent pesticides plant diseases poison populations potato practices predators produce protection reduce Release repel Research resistance rotenone screwworm seedlings seeds shrubs soil fertility species spider spores spray sterilized Tagetes minuta tests tion tobacco tomato toxic traps trichogramma U.S. Dept variety vegetation vigor virus weevils worms Yearbook of Agric