[1]魏孝荣,郝明德,张春霞.旱地长期施肥对土壤水分的影响[J].水土保持研究,2003,10(01):95-97.
　WEI Xiao-rong,HAO Ming-de,ZHANG Chun-xia.Effects of Long-term Fixed Fertilization on Soil Water[J].Research of Soil and Water Conservation,2003,10(01):95-97.
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旱地长期施肥对土壤水分的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 10 期数: 2003年01期 页码: 95-97 栏目: 出版日期: 1900-01-01
Title:
Effects of Long-term Fixed Fertilization on Soil Water
作者:
魏孝荣1, 郝明德2, 张春霞2
1. 西北农林科技大学资源环境学院, 陕西杨陵 712100;
2. 中国科学院水利部水土保持研究所, 陕西杨陵 712100
Author(s):
WEI Xiao-rong1, HAO Ming-de2, ZHANG Chun-xia2
1. College of Natural Resource and Environment, Northwestern Sci-tech University of Agriculture and Forestry, Yangling 712100, Shaanxi, China;
2. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, 712100, Shaanxi, China
关键词:
定位施肥; 土壤水分; 旱地
Keywords:
fixed fertilization; soil water; dry land
分类号:
S152.7
摘要:
针对黄土高原旱地长期施肥对土壤水分状况的影响进行研究。结果表明：旱地长期施肥对土壤水分状况有显着影响，N、P、M单施或配施，土壤剖面含水量比对照均有所下降，以NP、NM、PM、M、NPM处理下降最多。不同氮磷肥配施对土壤水分含量也有较大影响，在一定氮、磷水平下，土壤剖面储水量随磷或氮肥用量的增加而减少。
Abstract:
A research about effects of long term fixed fertilization on dry land soil water in Loess Plateau showed that long term fertilization has significant influence on soil water.No matter which fertilization forms, N, P, M applied as a simple fertilizer or as a mixed fertilizer, are used, all the treatments’ soil water content in profile (0~200 cm) are lower than controlled treatment, esp.in NP, NM, PM, M and NPM.Different ratios of N and P also affect soil water.At certain N or P levels, soil profile water content decreased with the increase of amount of P or N.Although crop yield was increased, the soil water pool was destroyed with the application of fertilizer, producing negative effect on the sustainable development of dry land agriculture.

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备注/Memo

收稿日期:2002-11-25
基金项目:国家自然科学基金重大项目（49890330）；中国科学院知识创新工程方向性项目（KZCX2-413）；国家科技攻关项目（2001BA508B18）
作者简介:魏孝荣（1978- ），男，陕西武功人，硕士研究生，主要从事土壤环境研究。

更新日期/Last Update: 1900-01-01