Intelligent spatial decision support system for variable rate fertilizing -using ArcView GIS on precision agriculture
Kuang Ji · 2000
This paper discusses an intelligent spatial decision support system for variable rate fertilizing of precision agriculture, VRF-ISDSS. This system is composed of database, knowledge base, method base, and model base. In this system, there are basic farming land geographic information, agronomic knowledge, crop fertilizer needing mathematics models, and data analysis methods. VRF-ISDSS realizes intelligent support by using experts' knowledge and experience in the knowledge base to adjust and optimize the solution. VRF-ISDSS is developed based on ArcView GIS. It can analyze the relationship between farming land factors' spatial variability and crop yield spatial variability. And it can generate spatial information distribution maps and prescription maps for variable rate fertilizing. Intelligent and spatial decision supporting make this system different from traditional agriculture decision support systems or basic agriculture geographic information systems. Besides decision support, VRF-ISDSS has the functions of information service, scientific calculating and so on.