甲草嗪为三氮苯类选择性内吸除草剂,主要通过根吸收,然后传导到茎和叶,也可被茎叶吸收,抑制植物的光合作用。对阔叶杂草有较好的效果,对单子叶、多年生杂草也有一定防除效果。为了测定在大豆地的除草效果及对大豆的安全性,我们受昆山农药厂的委托作了试验。一、试验方法 A triazine benzotriazole herbicides selective absorption, mainly absorbed through the roots, and then transmitted to the stems and leaves, but also by stems and leaves to absorb, inhibit photosynthesis of plants. Broadleaf weeds have a good effect on the monocotyledons, perennial weeds also have some control effect. In order to test the herbicidal effect in soybeans and the safety of soybeans, we have been commissioned by Kunshan Pesticide Factory. First, the test method