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4种除草剂对玉米田间杂草的防效

Gansu Agricultural Science and Technology(2016)

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Abstract
玉米播种后和苗期喷施除草剂对多种杂草防效及安全性研究结果表明,播种后喷施42%玉农思悬浮剂4500 mL/hm2和31.5%金禾烟嘧·莠去津悬浮剂2250 mL/hm2,或苗期施用42%玉农思悬浮剂3000 mL/hm2和31.5%金禾烟嘧·莠去津悬浮剂1500 mL/hm2均能安全防除玉米田间多年生禾本科杂草和莎草科杂草,防效达到90%以上。播前和玉米4—5叶期各施用1次,防除效果最为理想。
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