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Preliminary Study on the Application of GIS in Agriculture and Land Resource Management

PAN Yuan-qing et al (Henan Academy of Land and Resources Science,Zhengzhou,Henan 450053)  
The concept,function and character of GIS and its development process and application fields were summarized.The present status of applying GIS in the aspects of the investigation and management of agricultural resources,agricultural regionalization,agricultural land suitability assessment,agricultural eco-environment research,agricultural disaster prevention,estimation of crop yield and precise agriculture were discussed.And the significance of GIS in the application research in agricultural field and its limiting factors in popularization and application were elaborated and the development trend of GIS in agricultural field in the future were predicted.
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