[1]李发明,朱淑娟,王耀林,等.引黄灌区种植苜蓿对盐渍化土地理化性状的影响——以景泰县红跃村为例[J].水土保持研究,2009,16(04):104-108.
　LI Fa-ming,ZHU Shu-juan,WANG Yao-lin,et al.Impact of Alfalfa Growth on the Physical and Chemical Properties of Salinization Soils in Irrigated Area of the Yellow River—A Case study of Jingtai County[J].Research of Soil and Water Conservation,2009,16(04):104-108.
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引黄灌区种植苜蓿对盐渍化土地理化性状的影响——以景泰县红跃村为例

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 16 期数: 2009年04期 页码: 104-108 栏目: 出版日期: 2009-08-20
Title:
Impact of Alfalfa Growth on the Physical and Chemical Properties of Salinization Soils in Irrigated Area of the Yellow River—A Case study of Jingtai County
作者:
李发明1,2,3, 朱淑娟1,2,3, 王耀林3, 刘淑娟1,2,3, 程秀英1,2,3
1. 甘肃民勤荒漠草地生态系统国家野外科学观测研究站, 甘肃 民勤 733040;
2. 甘肃省荒漠化防治重点实验室, 甘肃 武威 733000;
3. 甘肃省治沙研究所, 甘肃 武威 733000
Author(s):
LI Fa-ming1,2,3, ZHU Shu-juan1,2,3, WANG Yao-lin3, LIU Shu-juan1,2,3, CHENG Xiu-ying1,2,3
1. Minqin National Studies Station for Desert Steppe Ecosystem, Minqin, Gansu 733040, China;
2. Gansu Key Laboratory of Desertification Combating, Wuwei, Gansu 733000, China;
3. Gansu Desert Control Research Institute, Wuwei, Gansu 733000, China
关键词:
引黄灌区; 次生盐渍化土地; 理化性状; 苜蓿产业化; 恢复治理
Keywords:
Yellow River water pumping irrigation area; salinization land; physical and chemical properties of soil; alfalfa production; restoration of governance
分类号:
S153;S542.4
摘要:
为解决引黄灌区土地退化问题，研究种植苜蓿对盐渍化土地理化性状的影响，在景泰县红跃村用分层取样测土的方法，对种植苜蓿后次生盐渍化土地土壤容重、电导率和pH值；土壤C、N含量的变化和土壤C、N含量与土壤物理性状的相关性等方面进行了分析。结果表明：种植紫花苜蓿后，次生盐渍化土壤理化性状发生了明显变化，各取样层次土壤有机质、有机碳含量和氮的含量随种植年限的延长显著提高，而土壤容重、K++Na+有下降的趋势。土壤容重与土壤有机质和有机碳含量在p=0.02的水平上具有负显著相关关系，但不同层次土壤电导率及pH值与样地种植年限不存在明显的相关关系。提出在引黄灌区次生盐渍化土地进行人工种植苜蓿并使之产业化生产，是实现引黄灌区次生盐渍化土地恢复治理、可持续发展的有效途径。
Abstract:
In order to solve the problem of land degradation in Yellow River water pumping irrigation area to study the planting alfalfa on the physical and chemical properties of soils in salinization soil with stratified sample of soil testing methods on Hongyue village of Jingtai county. The soil bulk density, conductivity and pH value, soil organic carbon and nitrogen contents and soil physical properties in the salinization soil grown alfalfa in areas such as the relevance of an analysis after the cultivation were examined. The results showed that: planting alfalfa, salinization soil physical and chemical properties had changed markedly, and the sampling levels of organic carbon and nitrogen content with the years of the extension of cultivation to increase significantly, and the soil bulk density, but K+ and Na+ were a downward trend. Soil bulk density and soil organic matter and organic carbon content has a significant negative correlation, but soil conductivity and pH value of the land planted with the kind of life was no obvious correlation, indicating for planted alfalfa and industrial production on salinization land in Yellow River water pumping irrigation area is the realization of secondary salinization in Yellow River water pumping irrigation area of land to restore governance, sustainable development and effective way.

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备注/Memo

收稿日期:2008-12-14。
基金项目:GEF项目：PRC-GEF干旱生态系统土地退化防治伙伴关系项目[TA4357（G）]“农村社区退化土地综合治理与生态系统可持续发展研究”
作者简介:李发明（1957-），男，甘肃民勤县人，副研究员，主要从事荒漠化防治和环境保护等方面的研究工作。E-mail：faminglee@126.com
通讯作者:程秀英（1957-），女，甘肃景泰县人，工程师，主要从事林业生态工作。E-mail：fmlee2008@yahoo.com.cn

更新日期/Last Update: 1900-01-01