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应用灰色理论,对河南省常年发生的8种主要病虫害进行了灰关联分析,明确了病虫害之间的相互关系,同时又利用星座团聚类法,科学地将 17个地市划分为 5个类型区,为长期规划决策、大面积防治病虫害提供了科学依据。
Based on the gray theory, gray relational analysis was conducted on the eight main pests and diseases in Henan Province, and the relationship between pests and diseases was clarified. At the same time, the constellation cluster method was used to classify 17 cities into 5 types District, for long-term planning and decision-making, large-scale pest control provides a scientific basis.