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随着农田化学除草的广泛使用,促进了农作物栽培制度的改革。近年来,我区采用棉花高密化学除草不中耕试验,已取得了初步的成果。高密化除棉田在栽培管理上和现在大面积棉花栽培管理不同。高密化除棉田,在栽培管理措施上主要是适时晚抪,避开不良的天气和疒虫害的影响,利用气温高的有利条件,使棉苗早发棵,早封行,早打顶,一般不进行整枝打叉。主攻伏桃,发挥群体优
With the widespread use of farmland chemical weed control, the reform of crop cultivation system has been promoted. In recent years, our district has adopted cotton high-density chemical weeding and no-tillage trials and has achieved preliminary results. In addition to high density cotton field in the cultivation and management and now a large area of cotton cultivation and management of different. In addition to high density cotton fields in the cultivation and management measures are mainly timely late Sui, to avoid adverse weather and pinworm damage, the use of favorable conditions of high temperature, so that cotton seedlings early hairy, early closure line, early topping, the general No pruning. The main attack volley, play excellent group