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朝阳县是我省的主要产棉县之一,历年因棉田虫害,造成减产。本文拟从生态平衡角度,结合防治棉田害虫的实践,探讨综合防治方法。破坏生态平衡的教训棉蚜、棉铃虫等历来是我县棉花的重要农业害虫。但有关资料说明,自1937年至合作化前,我县棉田基本未遭受严重危害,即使在棉田害虫严重发生年,棉农通过采用烟草水、棉油皂水、羊粪水、硫磺水等措施进行防治,也
Chaoyang County is one of the major cotton producing counties in our province, causing pests and losses due to cotton fields over the years. This article intends from the ecological balance point of view, combined with the practice of cotton pest control, to explore the comprehensive prevention and treatment methods. The lesson of undermining the ecological balance cotton aphid, cotton bollworm, etc. has always been an important agricultural pests cotton in our county. However, relevant information shows that cotton fields in our county have basically not been seriously damaged since 1937 until the establishment of co-operation. Even in the serious years of pests in cotton fields, farmers have adopted such measures as tobacco water, cottonseed oil soap, sheep feces and sulfur water Prevention, too