棉铃虫防治中的失误近年来，山东省棉田棉铃虫的发生危害日趋严重，１９９１年和１９９２年连续特大暴发，国家和广大棉农为之损失很大。分析个中原因，客观因素固然不可避免，但更重要的恐怕还在于我们在防治过程中的一系列失误。笔者通过对１５０个植棉户的调查，并根据... In recent years, cotton bollworm in cotton fields in Shandong Province has become more and more serious. In 1991 and 1992, the outbreaks of continuous succession caused great losses to both the country and the vast number of farmers. Analysis of the reasons, objective factors are inevitable, but more importantly, I am afraid that lies in our prevention and control process a series of mistakes. The author through the survey of 150 cotton-planting households, and according to ...