棉花生长期间，常受到杂草为害，人工除草不仅费功耗时且效果差。为了探讨棉田有效除草途径，我们于1997年进行了农达除草剂防除棉田杂草试验示范，效果十分显著。1基本情况1．1试验设计与安排试验设在定山镇东光村。棉田面积1334m2，田间以一年生杂草为主，供试棉花品种为泅棉 During the growth of cotton, weeds are often harmed, and artificial weeding not only consumes time-consuming but also has poor effects. In order to discuss the effective weeding path in cotton field, we carried out the experiment of weed control and weeding in cotton field in 1997, and the effect was very significant. 1 Basic 1.1 Test Design and Arrangement The experiment is located in Dongguang Village, Dingshan Town. Cotton field area of ​​1334m2, mainly annual weeds in the field, the test varieties of cotton 泅 cotton