[1]张春霞,郝明德,王旭刚,等.黄土高原沟壑区小流域土壤养分分布特征[J].水土保持研究,2003,10(01):78-80.
　ZHANG Chun xia,HAO Ming-de,WANG Xu-gang,et al.Distribution of SoilFertility in Gully Watershed of the Loess Plateau Hilly Region[J].Research of Soil and Water Conservation,2003,10(01):78-80.
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黄土高原沟壑区小流域土壤养分分布特征

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 10 期数: 2003年01期 页码: 78-80 栏目: 出版日期: 1900-01-01
Title:
Distribution of SoilFertility in Gully Watershed of the Loess Plateau Hilly Region
作者:
张春霞1, 郝明德1, 王旭刚2, 魏孝荣2
1. 中国科学院水利部水土保持研究所;
2. 西北农林科技大学资环学院, 陕西杨陵 712100
Author(s):
ZHANG Chun xia1, HAO Ming-de1, WANG Xu-gang2, WEI Xiao-rong2
1. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling 712100, Shaanxi, China;
2. Northwestern Sci-tech University of Agriculture and Forestry, Yangling 712100, Shaanxi, China
关键词:
高原沟壑区; 土壤养分; 分布特征
Keywords:
Loess Plateau hilly region; soil fertility; distribution characteristic
分类号:
S158.3
摘要:
研究了黄土高原沟壑区王东沟流域土壤养分分布特征。有机质、全氮、碱解氮、全磷、速效磷在王东沟小流域的分布呈现塬面>山坡地>坡台地的趋势，这是由于养分的投入主要分布在塬面，流失的养分在山地富集的结果。流域内土壤K素含量无较大差异，全钾、速效钾、缓效钾含量均比较高。流域内有机质含量不高，钾素较丰富，速效养分含量较低，且分布不均。林、草地有机质和碱解氮含量均比农田土壤高，由于没有外源磷素的补充，其全磷、速效磷含量较农田土壤低，且变幅较大。果园土壤全氮、碱解氮、有机质、速效钾含量是所有土地利用方式中最低的。
Abstract:
A research about the distribution of soil fertility in Wangdong gully watershed of Changwu was carried out, the result showed that N, P, organic matter were poor and K was rich in the studied soil.The available nutritions were poor, and imbalance in whole watershed.From the whole slope land of loess soil, the fertility distribution on down slope was more than that on upper slope because soil and water loss schleps the fertility to down slope, then the fertility was accumulated there.Therefore, it is suggested that the integrated management should be strengthened in Wangdong gully watershed.

参考文献/References:

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备注/Memo

收稿日期:2002-12-5
基金项目:中国科学院知识创新项目（KZCX2-413）；国家科技攻关项目（2001BA508B18）
作者简介:张春霞（1977- ），女，河南开封人，硕士，主要从事土壤肥力与生态环境建设方面的研究。

更新日期/Last Update: 1900-01-01