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(一) 棉田生物防治,即在棉田周围林带配置苜蓿带,利用苜蓿地发展天敌,达到消灭棉蚜的目的。这是中国科学院新疆生态与地理研究所成功推广的一种棉田生物防治新模式。这一生物防治新模式,不仅防治效果奇佳,而且一举扭转了发展新疆畜牧业饲草严重不足的老大难问题,它推进了草田轮作,减少了土壤污染,提高了土壤肥力,而且使农民朋友不增加投入成本,却大幅度地增加了产出。在基本
(A) cotton biological control, that is, around the cotton fields with alfalfa zone configuration, the use of natural enemies of alfalfa to achieve the purpose of eliminating cotton aphids. This is a new model of cotton biological control successfully promoted by Institute of Ecology and Geography, Chinese Academy of Sciences. This new model of biological control has not only achieved remarkable results but also reversed the long-standing problem of developing a serious shortage of fodder grass in Xinjiang. It promoted the rotation of the grass field, reduced soil pollution and improved soil fertility. Moreover, peasants and friends Do not increase input costs, but a substantial increase in output. Basically