| 三川河流域农地土壤肥力的评价与调控 |
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| 引用本文： | 王礼先,姚云峰,徐茂杰,霍兆林.三川河流域农地土壤肥力的评价与调控[J].水土保持通报,1991,11(2):31-38. |
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| 作者姓名： | 王礼先 姚云峰 徐茂杰 霍兆林 |
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| 作者单位： | 北京林业大学 北京市;北京林业大学 北京市;山西省水利厅水土保持局 太原市;山西省吕梁行署水利水保局 山西离石 |
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| 摘 要： | 三川河流域属于国家8个水土保持重点治理区之一,随着治理的进展和农林牧业的发展,对耕地土壤的要求也越来越高。本文在对流域内不同耕地土壤肥力调查与测定的基础上,采用主成分分析(PCA),评价了不同类型农耕地的肥力状况,并划分了农地的类型,为不同类型农地土壤肥力的调控和农业发展,提供了科学依据。
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| 关 键 词： | 土壤肥力 农地类型 肥力评价 |
Evaluation and Regulation of Soil Fertility of Farmland in Sanchuanhe Watershed |
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| Wang Lizian,Yao Yunfeng,Xu Maojie and Huo Zhaolin.Evaluation and Regulation of Soil Fertility of Farmland in Sanchuanhe Watershed[J].Bulletin of Soil and Water Conservation,1991,11(2):31-38. |
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| Authors: | Wang Lizian Yao Yunfeng Xu Maojie and Huo Zhaolin |
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| Institution: | Beijing Forestry University;Beijing Forestry University;Soil and water conservation Burea of Shanxi province;Soil and water conservation Bureau of Luliang, Shanxi province |
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| Abstract: | Sanchuanhe watershed is one of the eight key integrated control areas of soil and water conservation in China, As the developing of control work and agriculture forestry and animal husbandry, soil of farmland is required more and more highly, This paper evaluates soil fertility of every type farmland, using PCA method, based on the investigation and measurement of soil fertility of different farmland in the watershed.A new classification of farmland has been suggested, It proposes scientific base for the regulation of different type farmland and. the development of ag-riculture. |
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| Keywords: | soil fertility type of farmland evaluation of fertility regulation of fertility |
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