| 石羊河流域土地资源评价 |
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| 引用本文： | 杨祖成.石羊河流域土地资源评价[J].中国沙漠,1983,3(4):29-34. |
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| 作者姓名： | 杨祖成 |
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| 作者单位： | 中国科学院兰州沙漠研究所 |
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| 摘 要： | 土地资源最基本的属性是具有生产能力。它是土地资源一系列属性的综合体现, 并通过适宜性和限制性两项指标来反映。但是适宜性是能表达自身而又不能评价自身的特性。因此适宜性就必须依靠它的对立面-限制性来完成评价土地资源的适宜性。限制性指标应选用限制农、林、牧业生产经营稳定程度的临界指标或选用能表达适宜性的指标。
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| 收稿时间： | 1983-03-30 |
Evaluation of the Land Resources in Shiyanghe Watershed |
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| Yang Zucheng.Evaluation of the Land Resources in Shiyanghe Watershed[J].Journal of Desert Research,1983,3(4):29-34. |
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| Authors: | Yang Zucheng |
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| Abstract: | This paper deals with the principle and methods of the evaluation of the land resources as well as classification system in ShiyangHe watershed. The author has divided the land resources there into sixty-three units, and put forward the indicators to identify their quality, and thus this paper can be regarded as a significant reference material for the agricultural practice. |
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