矿石
发表于 2025-3-23 09:48:32
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Cocker
发表于 2025-3-23 15:58:47
Laser Spectroscopy of Collision Processes,auveria bassiana, caused an infectious disease in the silkworm. However, it was not until some 40 yr later that the first attempts were made to use insect pathogens to control pest populations, when Metchnikoff in Russia experimented with . for control of a beetle attacking wheat. Large scale attemp
Override
发表于 2025-3-23 19:35:43
Laser Spectroscopy in Molecular Beams,ntrol agents (BCAs) may offer more environmentally friendly alternatives to chemical pesticides. They could also be used where pests have developed resistance to con ventional pesticides. Unfortunately, there is comparatively little investment in the research and development of these organisms compa
即席
发表于 2025-3-24 01:44:08
Time-Resolved Laser Spectroscopy,sticides are no different from chemical pesticides, but blopestlcides are all far removed from them. Botanical pesticides derived from tobacco (.), pyrethrum (.), derrls roots, neem, and so on, have been known for many decades, but occupy only a very small fraction of the overall pesticide market, w
友好关系
发表于 2025-3-24 04:06:54
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hurricane
发表于 2025-3-24 09:24:32
K. M. Evenson,F. R. Petersen,J. S. Wells before germination or seedling rot after germination, resulting in billions of dollars in cumulative crop losses. These diseases are often termed preand postemergence damping-off, or seedling blights Greenhouse crops grown in soilless cultures, as well as field crops, are susceptible to soilborne f
BUCK
发表于 2025-3-24 12:55:05
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auxiliary
发表于 2025-3-24 15:22:19
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一瞥
发表于 2025-3-24 21:14:02
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Culpable
发表于 2025-3-25 03:12:36
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