一、为科学评价农药应用效果,凡申请登记农药新品种、新剂型或增加施用作物均须向农牧渔业部农药检定所提供必要的药效试验资料。二、由于我国地域辽阔,东、西、南、北自然条件差异较大。因此,申请农药登记单位(包括外国公司)所提供的药效试验资料必须包括在我国两个以上有代表性的耕作地区进行两年以上的重复试验结 First, in order to appraise the application effect of pesticide scientifically, all necessary pesticide test data shall be provided to the pesticide testing institute of Ministry of Agriculture, Animal Husbandry and Fishery for applying for registration of new pesticide varieties, new dosage forms or application of crops. Second, due to the vast territory of our country, the natural conditions of East, West, South and North differ greatly. Therefore, the information on the efficacy tests provided by the pesticide registration units (including foreign companies) applying for pesticide registration must include more than two years of repeated test results in more than two representative farming areas in China