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目前黑龙江垦区使用的除草剂品种已达３８种之多，如何提高防效、减轻或不发生除草剂药害，是广大植保工作者所关心的问题，我们对生产中除草剂药害发生的原因进行了分析，以期为垦区化除工作提供一点借鉴。ａ．除草剂挥发与漂移产生的药害 ２，４滴丁酯在麦田使用时常对邻近?
At present, there are 38 species of herbicides used in the reclamation area of Heilongjiang Province. How to improve the control effect and reduce or not to cause the herbicide damage are the concerns of the plant protection workers. The reasons for the occurrence of the herbicide injury in production Carried on the analysis, hoping to provide a little reference for the reclamation area to eliminate the work. a. Herbicide volatilization and drift of the phytotoxicity 2, 4 drops of butyl ester used in the wheat field often adjacent?