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为明确不同用量的83％乙·噻·滴丁酯微乳剂对玉米田一年生禾本科和阔叶杂草的防除效果及对玉米生长的安全性, 为登记推广提供依据, 特设计本次试验.结果表明:施用83％乙·噻·滴丁酯微乳剂在试验剂量范围内对玉米生产基本安全, 杂草防效好.“,”In order to determine the effect of different dosage of 83％ ethylthiobutyl ester microemulsion on the control of the annual and broad-leaved weeds in the corn field and the safety of the growth of the corn, this test was designed to provide the basis for the registration and promotion. The results showed that the application of 83％ethyl-thio-butyl-trichloro-ester microemulsion in the experimental dose range was basically safe for maize production and had good weed control effect.