作者应用湖南省1982—1986年79个县主要水稻病虫观测数据及自然状况资料,作出各病虫趋势面网格点图32种;对多个病虫生态指标,采用主分量分析之后的综合加权值进行趋势面区域分类,作出病虫农业生态区划图5种;分析了5个区划子系统,及部分病虫趋势面特征;并介绍其在测报与综合治理上的意义。 Based on the data of major pests and diseases in 79 counties from 1982 to 1986 in Hunan Province and the data of natural conditions, the authors made 32 kinds of trendy surface grid points map of each disease and insect pest. For the ecological indicators of multiple pests and diseases, Weighted weight values ​​were used to classify the trend surface area and make 5 kinds of pest-disease agro-ecological zonation maps. Five zoning sub-systems were analyzed, and some trend characteristics of pest and disease were analyzed. The significance of this in forecasting and comprehensive management was also introduced.