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20 0 1年引进上海农科院植保所和上海农乐生物制品有限公司联合研制的威霸 +二氯喹啉酸 +苄磺隆的三元复配剂 ,即 30 %霸威ＷＰ ,在嘉定区徐行镇俞湾村进行了直播稻田杂草防除的田间药效试验。1材料与方法1.1试验材料 30 %霸威ＷＰ、5 0 %稗草净ＷＰ(上海农乐生物制品有限公
20 0 1 Introduction of the Shanghai Academy of Agricultural Sciences plant protection and Shanghai Nong Le Biological Products Co., Ltd. jointly developed by Wei Pa + quinclorac + metronidazole ternary compound, that is 30% Pa Wei WP, in Jiading District Xu Wan Town, Yu Wancun conducted a direct seeding weed control rice field efficacy trials. 1 Materials and Methods 1.1 Test Materials 30% Pa Wei WP, 50% barnyard grass WP (Shanghai Nong Le Biological Products Co., Ltd.