| 探索四川地区土地退化原因 |
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| 引用本文： | 杨培玉.探索四川地区土地退化原因[J].农村实用技术与信息,2009(4):174-175. |
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| 作者姓名： | 杨培玉 |
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| 作者单位： | 四川省内江职业技术学院农业工程系,四川内江641000 |
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| 摘 要： | 四川地区的土壤侵蚀是造成土地退化的主要原因，全省水土流失面积20.0万km^2，以水力侵蚀为主。土地退化的主要类型有土壤退化、土地石质化、土地沙质化和土地沙石化，全省沙质荒漠化面积达95.14万hm^2。毁林垦殖、滥伐森林、工矿生产污染是造成土壤侵蚀、土地退化加剧的主要原因。
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| 关 键 词： | 四川地区 土攘侵蚀 土地退化 环境污染 |
Exploring the Reason of The Worsening Land in Sichuan Province |
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| Authors: | YANG Pei-yu |
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| Institution: | YANG Pei-yu (Department of Agricultural Engineering, Neijiang Vocational and Technological College Neijiang,Sichuan 641000, China ) |
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| Abstract: | Soil erosion is the main reason leading to land degeneration in Sichuan Province. The total soil loss area in the province is 200 thousand kmz with water erosion as the main status .The main types of land degeneration include soil retirement, land petrifaction, land desertification, land petrifaction and desertification, the deserted land area reached 951.4thousand hm^2.Planting by deforestation, denuding forest, pollution from industrial production are main reasons aggravating soil erosion and land degeneration. |
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| Keywords: | Sichuan province worsening soil land diminish environmental pollution |
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