| 土地资源利用保护与农业生态建设 |
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| 引用本文： | 徐琪.土地资源利用保护与农业生态建设[J].中国人口．资源与环境,1991(1). |
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| 作者姓名： | 徐琪 |
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| 作者单位： | 中国科学院南京土壤研究所 |
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| 摘 要： | 本文阐述了国内外土地后备资源现状及存在问题,解剖了土壤肥力演化机制和土壤资源保护的关系,介绍了我国生态农业建设的研究进展,指出了今后的主攻方向。
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PROTECTION AND USE OF SOIL RESOURCES AND CONSTRUCTION OF AGRICULTURAL ECOLOGY |
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| Xu Qi,.PROTECTION AND USE OF SOIL RESOURCES AND CONSTRUCTION OF AGRICULTURAL ECOLOGY[J].China Polulation.Resources and Environment,1991(1). |
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| Authors: | Xu Qi |
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| Abstract: | Soils that grow in different natural environment have different soil fertili-ty. From soil fertility evolutive mechanism, this paper expounds that if cropping system andsafeguardings are not rational, soil resources will degenerate. This paper also analyses the im-portance of our agricultural ecological construction, its content and its devolopmental direc-tion. |
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| Keywords: | Constraction of agricultural ecology cropping system safeguarding soil fertility |
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