Systematic Approach to Energy Flow of Huangjia Ercha Watershed Ⅱ.Energy Flow Analysis of Farming System

Li Zhongkui

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Systematic Approach to Energy Flow of Huangjia Ercha Watershed Ⅱ.Energy Flow Analysis of Farming System

- Systematic Approach to Energy Flow of Huangjia Ercha Watershed Ⅱ.Energy Flow Analysis of Farming System
- Bulletin of Soiland Water Conservation Vol. 15, Issue 5, Pages: 45-51(1996)
- 作者机构：
  
  西北农业大学陕西杨陵,712100
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- Published：1996
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Li Zhongkui. Systematic Approach to Energy Flow of Huangjia Ercha Watershed Ⅱ.Energy Flow Analysis of Farming System[J]. Bulletin of Soiland Water Conservation, 1996, 15(5): 45-51.
DOI：

Li Zhongkui. Systematic Approach to Energy Flow of Huangjia Ercha Watershed Ⅱ.Energy Flow Analysis of Farming System[J]. Bulletin of Soiland Water Conservation, 1996, 15(5): 45-51. DOI：

摘要

计算了小流域小麦、豌豆、马铃薯、胡麻、玉米的有机能、无机能投入和各种作物的籽粒、秸秆、根的能量产出，以此分析了各种作物的能量产投关系、种植业子系统能量流的现状与问题，并作了种植业投能结构和数量的优化分析。

Abstract

The input of both organic and inorganic energy for the crops of wheat pea potatohemp and corn and their output of energy through grain straw and root wre calculated from which the relationshiop of input and output energy of each crop the current state and problems of farming systems were analysed At last the amount and structure of energy input for farming sys tem were studied with optimization analysis.

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Related Institution

Department of Soil Science and Agro-chemics Northwestern Agricultural University.712100. Yangling District.Xianyang Municipality.

College of Soil and Water Conservation Science and Engineering， Northwest A&F University， Yangling

College of Forestry， Northwest A&F University， Yangling

Jiangxi Academy of Water Science and Engineering

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