[1]何建林,何丙辉,陈晓燕,等.小流域土地利用变化对土壤养分的影响[J].水土保持研究,2009,16(06):220-223,228.
　HE Jian-lin,HE Bing-hui,CHEN Xiao-yan,et al.Impact of Land Use Type Changes on Soil Nutrinet in Small Watershed[J].Research of Soil and Water Conservation,2009,16(06):220-223,228.
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小流域土地利用变化对土壤养分的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 16 期数: 2009年06期 页码: 220-223,228 栏目: 出版日期: 2009-12-20
Title:
Impact of Land Use Type Changes on Soil Nutrinet in Small Watershed
作者:
何建林1, 何丙辉1, 陈晓燕1, 史志民2, 马云1
1. 西南大学 资源环境学院 三峡库区生态环境教育部重点实验室, 重庆 400715;
2. 云南润滇节水技术推广咨询有限公司, 昆明 650000
Author(s):
HE Jian-lin1, HE Bing-hui1, CHEN Xiao-yan1, SHI Zhi-min2, MA Yun1
1. College of Resources and Environment, Southwest University Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, Chongqing 400715, China;
2. Yunnan Rundian Water Saving Technology&Dissemination Consulting Co.Ltd, Kunming 650000, China
关键词:
土地利用变化; 土壤养分; 代家沟小流域; 综合治理
Keywords:
land use type change; soil nutrient; Daijiagou small watershed; comprehensive improvement
分类号:
F301.24;S153.61
摘要:
运用统计学方法，研究重庆市长寿区代家沟小流域土地利用变化对土壤养分的影响。结果表明：经过三年的小流域综合治理，坡耕地向其它土地利用类型转变，其土壤养分平均含量变化表现为有机质全氮、全磷、全钾、碱解氮、有效磷和速效钾分别增咖了9.2%、12.9%、0.7%、5.2%、42.8%、12.8%和9.9%退耕还林还草、坡改梯等治理措施，不仅改变了土地覆盖、微地形，防治了水土流失和土地退化，而且还在一定程度上提高了土壤养分。特别是有机质的增加很明显，改变了土壤的结构，更有效的控制了水土流失的发生，提高了土壤的质量。
Abstract:
Using the statistical method, the influence of land utilization change on the soil nutrient is studied in Chongqing Changshou County Daijiagou small basin.The results showed that slope farmland altered to other land use types after three years of small watershed comprehensive control. Soil organic matter showed an increase of 9.2%, total N, P, K, alkaline hydrolysis N, available P, available K increased by 12.9%, 0.7%, 5.2%, 42.9%, 12.8% and 9.9% respectively. Returning farmland to forest and grassland, terracing and other control measures not only changed land cover, micro-topography, control of soil erosion and land degradation, but also improve the soil nutrients to some extent. In particular, the increase of soil organic matter obviously changed the soil structure, effectivly controlled soil erosion and improved the soil quality.

参考文献/References:

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备注/Memo

收稿日期:2009-6-3;改回日期:。
基金项目:国家自然基金（40671115，40971166）；重庆市自然基金重点项目（2007BA1015）；国家科技支撑计划重点项目（2008BAD98B01）；西南大学生态学重点学科“211工程”建设经费
作者简介:何建林（1980- ），男，云南沾益人，硕士，助理工程师，主要从事城市水土保持研究。E-mail：hejianlin1999@126.com
通讯作者:何丙辉（1966- ），男，湖南汨罗人，教授，博士生导师，主要从事土壤侵蚀与小

更新日期/Last Update: 1900-01-01