自然资源学报 ›› 1989, Vol. 4 ›› Issue (1): 12-18.doi: 10.11849/zrzyxb.1989.01.003

• 论文 • 上一篇    下一篇

建立开放系统,发展西北半干旱地区农业

刘巽浩   

  1. 北京农业大学
  • 出版日期:1989-03-25 发布日期:1989-03-25

ON ESTABLISHING A OPEN SYSTEM TO DEVELOPE AGRICULTURE IN THE NORTHWEST SEMI-ARID REGION IN CHINA

Liu Xunhao   

  1. Beijing Agricultural University
  • Online:1989-03-25 Published:1989-03-25

摘要: 我国西北半干旱地区是我国农业中最不发达地区之一,其主要特征是封闭或半封闭式的有机农业传统,低投入、低功能、低产出。本文讨论了有争议的几种模式,提出了建立开放系统的原则与具体生产建议。

关键词: 封闭系统, 开放系统, 半干旱地区, 有机农业滚雪球模式

Abstract: The northwest semi-arid negion is one of the most undeveloped zones in China. It is characterized by the closed or simi-closed traditional organic farming with very low input, inefficient function and low output.In this paper several controvcrtille models of agriculture are discussed and some priciples for establishing a open system and concrete suggestions for developing production are presented.

Key words: open system semi-arid region, organic farming, model of rolling a snow ball, closed system