1994～1995的在水稻秧田和直播田进行了50％二氯喹啉酸（杀稗王）除草试验，对其除草效果及对水稻的安全性进行了考察。一、材料与方法供试药剂为50％二氯喷淋酸可湿性粉剂（浙江乐清市农药厂产）。1994年和1995年田间小区试验均设亩用50％二氯隆咐酸3陀J5gJ防三个处理，以喷清 1994 to 1995 in rice seedling field and direct seeding field 50% quinclorac (weevil king) weeding test, its weeding effect and the safety of rice were inspected. First, the materials and methods for the test agent is 50% dichloro spray acid wettable powder (Zhejiang Yueqing Pesticide Factory). In 1994 and 1995, plots of field plots were set up with 50%