摘要： 根据土壤数据的特点和北京市京郊粮田高产施肥的要求,设计和实现了一个管理土壤各种空间数据(包括图形数据和属性库数据)和集成土壤施肥模型的地理信息系统。具备对土壤数据进行图形与属性库之间的相互查询、土壤施肥模型计算,以及制图输出等功能。该系统可为京郊粮田土地的合理和科学利用、实现粮食作物的高产、维持土壤的可持续利用提供技术支持。
关键词:
地理信息系统,
施肥模型,
咨询系统
Abstract: Due to its advantages in handling both spatial dada sets and attribute data sets,Geographical Information System(GIS)is adopted in fertilization consultant in Beijing suburban areas where the main crop production are located.This paper introduces the system design and implement solution including funotional modules,data structure,and its characteristics different to the current existing GIS systems. Three levels of data sets are input and managed by the system.The applications proves that the system is capable of serving as a helpful tool for reasonable and scientific fertilization strategy in the aimed areas.
Key words:
GIS,
Fertilizing model,
Consultant system
中图分类号:
李天宏, 孙焱鑫, 薛安, 张有山, 姚军. 北京郊区粮田高产施肥技术咨询系统的设计和实现[J]. 华北农学报, 2002, 17(1): 131-135. doi: 10.3321/j.issn:1000-7091.2002.01.026.
Li Tianhong, Sun Yanxin, Xue An, Zhang Youshan, Yao Jun. Fertilization Consultant System for Beijing Crop Production Suburbs Main Frame Design and Implementation[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2002, 17(1): 131-135. doi: 10.3321/j.issn:1000-7091.2002.01.026.