A Preliminary Study Agricultural Eco-system the Energy Flow in Semi-arid Loess Hilly Area

Zhao Manli; Qi Decai; Ma Guozhong; Shen Jihong

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A Preliminary Study Agricultural Eco-system the Energy Flow in Semi-arid Loess Hilly Area

- A Preliminary Study Agricultural Eco-system the Energy Flow in Semi-arid Loess Hilly Area
- Bulletin of Soiland Water Conservation Vol. 10, Issue 1, Pages: 34-38(1991)
- 作者机构：
  
  宁夏固原县科委宁夏固原县
- 作者简介：
- 基金信息：
- DOI：
  CLC： S157
- Published：1991
- 稿件说明：
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Zhao Manli, Qi Decai, Ma Guozhong, et al. A Preliminary Study Agricultural Eco-system the Energy Flow in Semi-arid Loess Hilly Area[J]. Bulletin of Soiland Water Conservation, 1991, 10(1): 34-38.
DOI：

Zhao Manli, Qi Decai, Ma Guozhong, et al. A Preliminary Study Agricultural Eco-system the Energy Flow in Semi-arid Loess Hilly Area[J]. Bulletin of Soiland Water Conservation, 1991, 10(1): 34-38. DOI：

摘要

本文通过对上黄村实施农林牧优化结构调整前后，农业生态系统能量供求状况的研究，认为实行以优化结构为中心的综合治理及注重对系统的物质能量输入，是农业生态系统由恶性向良性循环转化的有效途径，也是解决黄土高原丘陵地区农业生产问题的重要措施。

Abstract

By comparing the states of energy flow in agricultural eco-systems before and after adjusting the agricultural

forest

animal husbandry ratios

the comprehensive harness which takes the optimizing structure as the central task and lay stress on the putting matrial and energy into the eco-system were regarded as the effective steps to turn the agricultural eco-system from a vicious circle to a fine circle

and were also regarded as a main measure to solve the agricultural production problem in Loess Hilly Area.

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