Agricultural System of Dezhou City Based on Energy Analysis

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Agricultural System of Dezhou City Based on Energy Analysis

- Agricultural System of Dezhou City Based on Energy Analysis
- Bulletin of Soiland Water Conservation Vol. 29, Issue 4, Pages: 235-240(2010)
- 作者机构：
  
  德州学院地理系,山东,德州,253023
- 作者简介：
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- Published：2010
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LIU Fugang. Agricultural System of Dezhou City Based on Energy Analysis[J]. Bulletin of Soiland Water Conservation, 2010, 29(4): 235-240.
DOI：

LIU Fugang. Agricultural System of Dezhou City Based on Energy Analysis[J]. Bulletin of Soiland Water Conservation, 2010, 29(4): 235-240. DOI：

摘要

在综和分析可持续发展学科动态与相关生态学理论最新进展的基础上

运用能值分析方法

对德州市农业生态系统1998—2007年的能值变化及其可持续性动态进行了分析。结果表明

德州市农业生态系统总能值用量呈增加趋势

农业生态系统维持对不可更新资源的依赖性逐渐增强

环境负荷率呈逐渐增加趋势

可持续性发展压力较大。未来农业生态系统管理要大力发展节水灌溉农业;应积极引进技术

增加劳动力的智力资源能值投入

调整工业辅助能投入

提高能值受益率;并探索建立多层次、高功能的生态农业模式。

Abstract

Thi spaper reviewed the development of the thought of sustainable development and the theory of ecology and analyzed the change of energy value in the agro-ecosy stem of Dezhou City between 1998 and 2007 and the sustainability of the agro-ecosy stem .Results showed that the total energ y usage of agro-eco system of Dezhou City kept increasing during the study period

so did its dependence on non-renew able resources .Its enviro nmental loading ratio kept grow ing and its sustainable development was under g reat pressure .The agro-ecosy stem manag ement in the future should develop water-saving irrigation

int roduce advanced technology actively

increase the input of energy value of intellectual resources

adjust the input of indust rial supporting energy to improve the benefit ratio of energy value

and explore the ways of establishing a multi-level and high-function ecological agriculture .

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Related Author

LIU Fu-gang

Related Institution

Department of Geography, Dezhou College

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