意见一致 发表于 2025-3-26 22:09:15

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Substance-Abuse 发表于 2025-3-27 04:53:47

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营养 发表于 2025-3-27 08:07:39

Environmental Science Researchhttp://image.papertrans.cn/b/image/187324.jpg

大吃大喝 发表于 2025-3-27 11:15:14

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arrogant 发表于 2025-3-27 14:27:54

Erziehungswissenschaftliche Jugendforschungmportation of natural enemies), cultural techniques to create favorable environments for natural enemies, genetic modification of pests, pest-resistant strains of plants, pheromones, microbial agents, growth regulators, and the use of chemical pesticides to control outbreaks.

overwrought 发表于 2025-3-27 20:58:19

chronic problem. As we endeavor to improve pro­ duction processes and to develop more effective and acceptable tactics for achieving this protection, we must give high priority to all potentially useful techniques for the control and management of insects. Pest control is recognized as an acceptabl

JEER 发表于 2025-3-27 23:10:47

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Debrief 发表于 2025-3-28 02:32:04

https://doi.org/10.1007/978-3-658-26225-9duced in insectaries provides a means of insuring the presence of numbers that are adequate to maintain pest populations at the desired level. The feasibility of this approach to pest control has been documented by Ridgway et al. (1974), Stinner (1977) and Rabb et al. (1976) and in other chapters of this book.

Inordinate 发表于 2025-3-28 08:08:19

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AMPLE 发表于 2025-3-28 12:10:31

Mass Production of Natural Enemiesduced in insectaries provides a means of insuring the presence of numbers that are adequate to maintain pest populations at the desired level. The feasibility of this approach to pest control has been documented by Ridgway et al. (1974), Stinner (1977) and Rabb et al. (1976) and in other chapters of this book.
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查看完整版本: Titlebook: Biological Control by Augmentation of Natural Enemies; Insect and Mite Cont R. L. Ridgway,S. B. Vinson Book 1977 Springer Science+Business