甲草嗪是由昆山农药厂开发生产的三氮苯类选择性除草剂,对阔叶杂草有较好的防除效果。为了解甲草嗪对大豆的安全性,我们于1990年6月进行了甲草嗪对大豆的安全性测定,其结果如下。一、经过与方法 (一)试验设计本试验共设6个处理:(1)亩用甲草嗪有效量50克(原药含量81.22％,代号F11A); A trimethine is a triazine-based selective herbicide developed and produced by Kunshan Pesticide Factory, which has good control effect on broad-leaved weeds. In order to understand the safety of alachlor on soybeans, we conducted a safety assay of alachlor on soybeans in June 1990 with the following results. First, through the method (a) of the experimental design of the test a total of six treatments: (1) mu with arachnoid effective amount of 50 grams (81.22% of the original drug content, code F11A);