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生态学杂志 ›› 1990, Vol. ›› Issue (3): 56-61.

• 研究报告 • 上一篇    下一篇

建平县农业生态系统结构总体设计的研究

李海洋   

  1. 辽宁省农业科学院土肥所
  • 出版日期:1990-06-10

Research on the Overall Structural Designing of Agroeoosystem in Jianping County

Li Haiyang   

  1. Institute of Soil and Fertilizers, Liaoning Academy of Agricultural Sciences
  • Online:1990-06-10

关键词: 黑土, 土壤肥力, 综合评价, 地理信息系统

Abstract: Simulation research has been taken out on the structure of agroecosystem in Jianping countyby methods of environmental differentiation,system analysis and system dynamics accordingto the existing structures of agroecosystem in the county.Evaluated comprehensively to thesimulation results of three kinds of experimental policies,th “agriculture-forestry-livestockfarming type” design appears to be better at the present time.After the funds,technologyand management level reach to a definite grade,it is urged to progress for the “comprehensivetype” and “industrial type”.

Key words: Black soil, Soil fertility, Comprehensive evaluation, GIS