论文部分内容阅读
一.前言防除杂草是农业生产中一项极其重要的工作。近年来的实践证明,在各种除莠措施中,利用化学药剂除草,效果既好,又省人工,是现代化农业中极有发展前途和深入研究的工作。
I. Preface The prevention and control of weeds is an extremely important task in agricultural production. In recent years, practice has proved that in all kinds of herbicidal measures, the use of chemical weed control is effective and saves labor. It is a very promising and in-depth study in modern agriculture.