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In china, with the development of GPS, GIS, RS, 3S technology is gradually used in the agriculture in recent years. This paper introduced the concepts of GPS, GIS, RS. Considering the fact of the Chinese agriculture, we developed the farmland information support system based on the integration of GPS, GIS, RS. With the application of this system in some counties of Yunnan province, the work mode of...
Parallel editing of spatial data is one of the concern focuses in GIS research. The paper firstly discusses current status of research and analyzes mechanism and implement method of ArcSDE version management. With ArcObjects component as exploitation platform and Visual Basic as tools, a version management component is designed and developed and integrated into application software which implements...
With the development of the project of Formula Fertilization by Soil Testing in China, in order to investigate the soil condition, fertility level, nutrients status, soil degeneration status and the farmland integrated productivity of China, the government decided to start up the project of the evaluation of the farmland productivity with the field investigation data and the analysis assay data, which...
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