期刊论文

中文

中国农学通报

1000-6850

2011

27

23

214-220

科技部公益性研究项目（2007-4-15）；

本校为第一机构

为了客观评价江西农业生态经济系统的现状,为江西农业系统可持续发展的对策制定提供依据,笔者运用能值理论和能值分析方法,研究江西省农业生态经济系统的能值投入,分析能值投入结构及演替的历史轨迹和发展趋势.结果表明:每年投入能值1.39×1023-1.69×1023sej,其中可更新环境资源、不可更新环境资、有机能、工业辅助能值分别占12.59％～16.38％、0.35％～0.45％、7.48％～9.66％和75.28％～77.38％；工业辅助能值中,化肥能值最大(53.09％～78.92％),其他工业辅助能值只占21.08％～46.91％.有机能中劳力能值比例高达77.10％-86.42％,其他有机能仅为13.58％-22.90％；各种能值投入量占该年能值投入...

In order to evaluate the status of the agricultural ecological economic system of Jiangxi and provide the basis for the formulation of the countermeasures for the sustainable development of Jiangxi agricultural system,the author studied the emergy input of agro-ecological economic system of Jiangxi Province,and analyzed emergy input structure,its tracks of history of succession and the trend in development.The results showed that emergy input per year was 1.39×10 23-1.69×10 23 sej,renewable environmental resources made up 12.59%-16.38%,nonrew...