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In recent years as the rise of Internet + and geographic information system technology, the traditional GIS has a new development space, let a lot of further application of spatial data, decision making analysis on the space for us to provide the technical support. In the implementation of the national "863" project "corn precision operating systems research and application in the process, accumulated the massive spatial data on agriculture, to organize and manage these data, get the corresponding knowledge, better management, analysis and decision making, developed" WebGIS corn intelligent decision-making system based on Internet + "for application. The main contents include: using ArcIMS system to realize the basic operation of network geographic information system; Implements the new mode based on tiles splicing ways of network map browsing, when pan, in IE will have the effect of image stitching, shorten the waiting time for the user psychology, also to avoid the big picture of the large amount of data transmission; The visualization of spatial data mining results based on star coordinates is realized. The spatial data mining visualization of GIS is realized. The function of buffer analysis and variation chart is realized. The decision-making function of fertilization was realized. Combining analytic hierarchy process and fuzzy equivalent matrix method, spatial weighted fuzzy clustering algorithm is implemented.At the same time, the optimal classification number is obtained by using F distribution. By comparison, this method has higher precision and better effect than unweighted algorithm. In addition, this method is applied to the comprehensive evaluation of the difference of soil nutrient space, which is recognized and praised by experts of the review of agricultural engineering journal.

Internet + VSDM and WebGIS System Design and Implementation of Corn Fertilizing Decisions