很多菜农在用农药防治病虫害时，往往不注意蔬菜上市前的使用间隔时间，造成蔬菜上的农药残留量大。现将农业部农药捡定所在蔬菜上常使用的农药合理使用标准介绍如下，供菜农在蔬菜上市的使用农药时参考。杀菌剂７５％百菌清可湿性粉剂在上市前７天使用；７７％可杀得可湿性粉? Many farmers use pesticides to control pests and diseases, they often do not pay attention to the use of vegetables before the market interval, resulting in large quantities of pesticide residues on vegetables. Now the Ministry of Agriculture pesticide picking vegetables often used in the rational use of pesticides described below, for farmers in the vegetable market when using pesticides reference. 75% chlorothalonil WP fungicide WP 7 days before use; 77% can kill wettable powder?