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1996年新华农场二十一队直播玉米200hm2，选用乙草胺加阿特拉津进行播后苗前处理，中耕2遍，达到了情越玉米，除草效果显著。5月14日播种，5月21日用天津产654型胶轮拖拉机牵引迎春机械厂生产的100C型喷药机进行喷药。施用剂量为乙草胶1．5kg／hm2（商品量），阿特拉津2．5kg／
In 1996, 21 teams of Xinhua Farm direct-seeded 200 hm2 of corn. Acetochlor plus atrazine was used for pre-emergence sowing and two-time cultivations in order to reach the situation of maize. The weeding effect was remarkable. May 14 sowing, May 21 Tianjin 654-type rubber tractor traction Yingchun Machinery Factory production of 100C spray machine for spraying. Application dose of Acetal in 1.5kg / hm2 (commercial volume), atrazine 2.0kg /