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我们大队地处黄海之滨,以玉米、棉花为主要作物。近几年棉花红蜘蛛发生量较大,严重地影响了棉花产量。针对这一情况,从1976年开始,我们采取综合防治措施,坚持两查两定,把农药用在刀口上,达到了经济、安全、有效地控制虫害,使每亩农药费用由1974年的9.50元下降到4.94元,而棉花单产则由74斤提高到145斤。如何开展综合防治呢?我们主要注意抓了以下几个方面。
Our brigade is located in the Yellow Sea coast, with corn, cotton as the main crop. In recent years, the occurrence of cotton spider mites, a serious impact on cotton production. In response to this situation, starting from 1976, we have taken comprehensive prevention and control measures, insisted on the two checks and two regulations, and used pesticides on the knife edge to achieve economic, safe and effective pest control so that the cost per acre of pesticides will rise from 9.50 in 1974 Yuan dropped to 4.94 yuan, while the yield per cotton increased from 74 pounds to 145 pounds. How to carry out comprehensive prevention and control? We mainly pay attention to the following aspects.