Scintillations 发表于 2025-3-25 07:02:49
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Paul Van Pulargely resultant disturbances and pollution of the environment in which man must live and produce the things he needs, are forcing him to search for means of solving the first problem without intensifying the latter. Food production requires adequate assurance against the ravages of insects. In the收到 发表于 2025-3-25 13:23:16
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Paul Van Pulargely resultant disturbances and pollution of the environment in which man must live and produce the things he needs, are forcing him to search for means of solving the first problem without intensifying the latter. Food production requires adequate assurance against the ravages of insects. In the银版照相 发表于 2025-3-25 20:41:01
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Paul Van Pulultant disturbances and pollution of the environment in which man must live and produce the things he needs, are forcing him to search for means of solving the first problem without intensifying the latter. Food production requires adequate assurance against the ravages of insects. In the last threeCLASH 发表于 2025-3-26 04:47:42
Paul Van Pulnts which subsequently become “weeds.” In the United States the losses caused by alien and native weeds are believed to equal the combined losses from insects and diseases and to rank second only to those caused by soil erosion (Saunders . King, 1966). For the decade ending in 1960, this meant an an羊栏 发表于 2025-3-26 11:12:39
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