Evaluation and Regulation of Soil Fertility of Farmland in Sanchuanhe Watershed

Wang Lizian; Yao Yunfeng; Xu Maojie; Huo Zhaolin

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Evaluation and Regulation of Soil Fertility of Farmland in Sanchuanhe Watershed

- Evaluation and Regulation of Soil Fertility of Farmland in Sanchuanhe Watershed
- Bulletin of Soiland Water Conservation Vol. 10, Issue 2, Pages: 31-38(1991)
- 作者机构：
  
  1. 北京林业大学,北京市
  2. 山西省水利厅水土保持局,太原市
  3. 山西省吕梁行署水利水保局山西离石
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1991
- 稿件说明：
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Wang Lizian, Yao Yunfeng, Xu Maojie, et al. Evaluation and Regulation of Soil Fertility of Farmland in Sanchuanhe Watershed[J]. Bulletin of Soiland Water Conservation, 1991, 10(2): 31-38.
DOI：

Wang Lizian, Yao Yunfeng, Xu Maojie, et al. Evaluation and Regulation of Soil Fertility of Farmland in Sanchuanhe Watershed[J]. Bulletin of Soiland Water Conservation, 1991, 10(2): 31-38. DOI：

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。

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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