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草害是直播稻成败的关键 ,通过试验筛选出安全、广谱、高效且可行性好的除草剂 ,并探讨其应用技术 ,为推广应用提供依据 ,为此进行本试验。1 试验材料与方法1.1 供试药剂4 0 %直播净ＷＰ(有效成分 :丙草胺 +苄磺隆 ,杭州天一农药厂 )30 %草杀特ＥＣ(有效成分 :丙草胺 +安全剂
Grass pest is the key to the success or failure of direct seeding rice. The safe, broad-spectrum, efficient and feasible herbicide is screened out through experiments, and its application technology is explored to provide the basis for its popularization and application. 1 test materials and methods 1.1 for the test agent 4 0% live broadcast net WP (active ingredient: pretilachlor + metsulfuron, Hangzhou Tianyi Pesticide Factory) 30% of the grass special EC (active ingredient: pretilachlor + safener