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调查襄南地区春季玉米地主要杂草种类 ,并分两个时期 (播后芽前、苗期 )分别用 3种处理对玉米田杂草进行化学防除 ,探讨了春季玉米地化学除草的施用技术
The main types of weeds in spring maize field in southern area of Xiangnan were investigated. Three treatments were applied to chemical weed control in corn field in two periods (before and after sowing), and the application technology of chemical weed control in spring maize