巧设诱集带防治棉花虫棉田巧妙种植诱集带，诱集消灭害虫，减轻其在棉花上的发生与危害，也可诱集天敌取食害虫。诱集带提前种植或与棉花同时种植均可，但提前种效果更好。其方法如下。一、油菜诱集带：每隔４—８行棉花在大背行间播种一行油菜，用春播油菜品种更好。它的... Cleverly set the trap with prevention and control of cotton insect cotton field clever planting trap, trap pests to eliminate and reduce its occurrence and damage on cotton, but also trapping insect pests. Traps can be planted in advance or planted with cotton at the same time, but the effect of early planting is better. The method is as follows. First, rape trapping zone: every 4-8 lines of cotton sowing row of rape between the big back row, with spring sowing varieties better. its...