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农作物发病状况空间布局GIS分析(英文) 被引量:2
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作者 马永 周春平 李小娟 《Plant Diseases and Pests》 CAS 2011年第3期14-16,共3页
Using GIS spatial statistical analysis method, with ArcGIS software as an analysis tool, taking the diseased maize in Hedong District of Linyi City as the study object, the distribution characteristic of the diseased ... Using GIS spatial statistical analysis method, with ArcGIS software as an analysis tool, taking the diseased maize in Hedong District of Linyi City as the study object, the distribution characteristic of the diseased crops this time in spatial location was analyzed. The results showed that the diseased crops mainly dis- tributed along with river tributaries and downstream of main rivers. The correlation between adjacent diseased plots was little, so the infection of pests and diseases were excluded, and the major reason of incidence might be river pollution. 展开更多
关键词 Crop incidence spatial statistical analysis method GIS Weighted standard deviation ellipse China
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