| 从15年变迁看西北黄土高原农业可持续发展之路--以延安市生态农业建设为例 |
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| 引用本文： | 孙鸿良.从15年变迁看西北黄土高原农业可持续发展之路--以延安市生态农业建设为例[J].中国生态农业学报,1997,5(2):7-10. |
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| 作者姓名： | 孙鸿良 |
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| 作者单位： | 中国农业科学院作物育种栽培研究所 北京 100081 |
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| 摘 要： | 以1981年、1985年分别对西北黄土高原农业生态系统考察的若干对比数据及其巨变，证实了生态农业建设是中国农业可持续发展的战略选择。分析了全国50个生态农业建设试点县（市）这一延安市七大生态工程原理与效益，说明了生态农业的可行性与可持续性，是适于我国国情、改善环境与农业生产同步发展的有效途径。
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| 关 键 词： | 生态农业 生态工程 土地结构 可持续发展 |
| 收稿时间： | 1996/9/27 0:00:00 |
| 修稿时间： | 1996/12/6 0:00:00 |
Viewing the line of agricultural sustainable development in the Loess Plateau from its fifteen years' changes--A case study on the ecological agricultural construction in Yan'an City |
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| Sun Hongliang.Viewing the line of agricultural sustainable development in the Loess Plateau from its fifteen years'' changes--A case study on the ecological agricultural construction in Yan''an City[J].Chinese Journal of Eco-Agriculture,1997,5(2):7-10. |
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| Authors: | Sun Hongliang |
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| Institution: | Institute of Crop Breeding & Cultivation, Chinese Academy of Agricultural Sciences,Beijing 100081 |
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| Abstract: | The contrast date and great changes from comparing the two investigations of the agricultural eco-system in the Loess Plateau conducted in 1981,and fifteen years later in 1995 proved that the eco-agricultural construction is a correct strategic choice of sustainable development of agricultural construction is a correct strategic choice for sustainable development of agriculture in China. A case study was carried out in Yan'an City, one of the fifty pilot counties for eco-agricultural construction in China .Principles and benefits of its seven projects of eco-engineering are analysed which showing the feasibility and sustainability of eco-agriculture,which is a good way suitable to national conditions of China and can enable the environmental improvement and agricultural production to co-develop. |
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| Keywords: | Eco-agricultural Eco-engineering Land structure Sustainable development |
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