通过对免耕玉米田不同除草剂使用方法和用量的研究表明，田间若以禾本科杂草为主可用单剂防治，若禾本科杂草和阔叶杂草混生以使用混剂为好，且采用土壤处理法防效最佳。
According to the researches on the usage of herbicided in zero tillage corn field, the results showed that thesingle herbicide could be adopted in the field-grown grassy weed.
多元混配除草剂可分别在播前、播后苗前和出苗后施用。
The cocktailed herbicides could be soil-applied before sowing, between sowing and emergence and foliar-sprayed after emergence.
多元混配除草剂可分别在播前、播后苗前和出苗后施用。
The cocktailed herbicides could be soil-applied before sowing, between sowing and emergence and foliar-sprayed after emergence.
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