[1]许冬梅,刘彩凤,谢应忠,等.盐池县草地沙化演替过程中土壤理化特性的变化[J].水土保持研究,2009,16(04):85-88.
　XU Dong-mei,LIU Cai-feng,XIE Ying-zhong,et al.Changes of Soil Properties During Sandy Desertification for Grassland in Yanchi County[J].Research of Soil and Water Conservation,2009,16(04):85-88.
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盐池县草地沙化演替过程中土壤理化特性的变化

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 16 期数: 2009年04期 页码: 85-88 栏目: 出版日期: 2009-08-20
Title:
Changes of Soil Properties During Sandy Desertification for Grassland in Yanchi County
作者:
许冬梅1, 刘彩凤2, 谢应忠1, 王堃3
1. 宁夏大学 农学院, 银川 750021;
2. 宁夏盐池县畜牧技术推广服务中心, 宁夏 盐池 751500;
3. 中国农业大学 草地研究所, 北京 100094
Author(s):
XU Dong-mei1, LIU Cai-feng2, XIE Ying-zhong1, WANG Kun3
1. College of Agronomy, Ningxia University, Yinchuan 750021, China;
2. Extension and Service Center of Animal Husbandry Technique in Yanchi County, Yanchi, Ningxia 751500, China;
3. Institute of Grassland Science, China Agricultural University, Beijing 100094, China
关键词:
草地沙化; 土壤特性; 盐池县
Keywords:
grassland desertification; soil properties; Yanchi County
分类号:
S153;X171
摘要:
对盐池县潜在沙漠化草地、轻度沙漠化草地、中度沙漠化草地、重度沙漠化草地和极度沙漠化草地5种不同沙化类型草地土壤理化特性进行研究，以探讨沙漠化对土壤环境的影响。结果表明：土壤含水量为潜在沙漠化草地>轻度沙漠化草地>中度沙漠化草地>重度沙漠化草地>极度沙漠化草地；土壤黏、粉粒及有机质、全氮等养分含量总体为由潜在沙漠化草地到极度沙漠化草地逐渐降低，砂粒含量逐渐增加，pH和可溶性盐含量无明显变化规律。该地区土壤组成主要以砂粒为主，土壤含水量低，养分贫瘠，环境脆弱，易产生风蚀、沙化。
Abstract:
The soil physical and chemical properties in potential desertification grassland, light desertification grassland, medium desertification grassland, severe desertification grassland and extreme desertification grassland in Yanchi were studied to explore the impact of desertification on soil environment. The results showed that: the soil water contents were in the descendant order of potential desertification grassland, light desertification grassland, medium desertification grassland, severe desertification grassland, and extreme desertification grassland. Soil clay, silt, organic matter, total nitrogen content decreased, while sand content increased from the potential desertification grassland to the extreme desertification grassland. Changes of pH and soluble salinity content had no obvious trends. Overall, the main soil particle size is sand, the soil moisture and nutrient contents are very low. The soil environment was fragile and erodible.

参考文献/References:

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备注/Memo

收稿日期:2008-12-16。
基金项目:国家自然科学基金（30860200）；教育部春晖计划项目（Z2006-1-75004）；宁夏自然科学基金项目（NZ0837）
作者简介:许冬梅（1970-），女，宁夏中卫人，博士，副教授，主要从事草地生态与管理的研究工作。E-mail：nxxudongmei@163.com

更新日期/Last Update: 1900-01-01