藁城市无公害蔬菜生产中农药施用情况调查

AGRO-ENVIRONMENT AND DEVELOPMENT(2002)

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Abstract
针对河北省藁城市的无公害蔬菜建设基地中不同蔬菜种植模式的农药施用情况作了问卷调查.调查发现多数农户仍在使用高毒农药,其中高、中毒性品种在杀虫剂中占68.75%;不同蔬菜种植模式中农药的施用次数以温室最多,用药量也最高,已达104.4kg@hm-2.长期大量施用农药带来了当地地下水中农药残留的发生.
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