【摘要】 分析了定西地区农业生态经济系统的结构和功能 ,发现水资源时空分布不均 ,种群结构比较单一 ,产业结构不合理 ,使得系统生产能力很低 ,N、P、K不平衡 ,经济效益低下。据此从农业可持续发展的角度出发 ,提出了优化农业生态经济系统结构和提高其功能的对策和建议。更多还原

【Abstract】 Through analyzing the structure and function of agro economic system of Dingxi area, water resources is found not to be well distributed in space and time, its population structure is unitary and the industrial structure is irrational, which lead to the low productivity, the imbalance of K、P、K and the bad economic benefit of the system. From the view point of sustainable develplment, strategies and suggestion for improving the structure of the agro economic system and enhancing its function are put forward.更多还原