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预计2021年东亚飞蝗夏蝗总体将中等发生
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预计2021年东亚飞蝗夏蝗总体将中等发生
为做好全国农区蝗虫监测防控工作,全国农业技术推广服务中心(农业农村部蝗灾防治指挥部办公室)于4月21日至22日在北京召开了蝗虫可持续治理研讨会。会议交流了近年来全国蝗虫发生动态,分析会商了2021年东亚飞蝗夏蝗发生趋势,研讨了推进蝗虫可持续治理的对策措施,部署了监测防控工作。会议根据去年秋季今年春季残蝗基数、蝗卵密度及其发育进度等调查结果,结合蝗区气象条件和生态环境变化等因素综合分析,预计2021年东亚飞蝗夏蝗总体中等发生,山东沿黄蝗区等局部地区可能出现高密度蝗蝻点片,天津武清大黄堡保护区、河南...
Insecticides China News (Chinese version) 202104
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