红壤丘陵区水土流失过程及综合治理技术

李忠佩; 张桃林; 杨艳生; 王兴祥; 何园球; 曾希柏

doi:11894/1005-829x.2001.21(2).12

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红壤丘陵区水土流失过程及综合治理技术

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- 红壤丘陵区水土流失过程及综合治理技术
- Process and Comprehensively Harnessing Techniques of Soil and Water Loss in Hilly Red Soil Regions
- 水土保持通报 2001年20卷第2期页码：12-17
- 作者机构：
  
  1. 中国科学院南京土壤研究所,江苏,南京,210008
  2. 中国农业科学院农业自然资源和农业区划研究所,北京,100081
- 作者简介：
- 基金信息：
  
  国家“九五”农业重点攻关专题“退化土壤恢复与季节性干旱防御关键技术研究”(96-004-03-12)
- DOI：11894/1005-829x.2001.21(2).12
  中图分类号：
- 纸质出版：2001
- 稿件说明：
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李忠佩, 张桃林, 杨艳生, 等. 红壤丘陵区水土流失过程及综合治理技术[J]. 水土保持通报, 2001,20(2):12-17.

LI Zhongpei, ZHANG Taolin, YANG Yansheng, et al. Process and Comprehensively Harnessing Techniques of Soil and Water Loss in Hilly Red Soil Regions[J]. Bulletin of Soiland Water Conservation, 2001, 20(2): 12-17.
李忠佩, 张桃林, 杨艳生, 等. 红壤丘陵区水土流失过程及综合治理技术[J]. 水土保持通报, 2001,20(2):12-17. DOI： 11894/1005-829x.2001.21(2).12.

LI Zhongpei, ZHANG Taolin, YANG Yansheng, et al. Process and Comprehensively Harnessing Techniques of Soil and Water Loss in Hilly Red Soil Regions[J]. Bulletin of Soiland Water Conservation, 2001, 20(2): 12-17. DOI： 11894/1005-829x.2001.21(2).12.

摘要

根据试验结果，分析了红壤丘陵区水土流失和养分损失的过程和动态变化以及在不同耕作轮作措施下的变异特征，提出了水土流失区综合治理的技术措施。东南红壤丘陵区水土流失的面积约占土地总面积的21.5%。水土流失量的年际间差异非常大，达18～20倍，季节间的变化则主要受降雨分布、植被覆盖及人为活动的影响，保护性耕作可以明显减少水土流失和养分损失量。采用综合治理技术，创造合适的水分和养分条件，是快速恢复水土流失区的植被和土壤肥力的有效措施。

Abstract

With the experimental data

the processes and dynamicsof the water

soil and nutrient losses and the effect of the treatments of cultivation and rotation systems were analyzed in hilly red soil regions. T he comprehensively harnessing techniques for eroded red soils were proposed. T he area of land subjected to soil erosion was 21. 5% of the total. The interannual variations of the water loss and soil erosion were largely up to eighteen to twenty-fold

its seasonal changes were mainly influenced by rainfall distribution

vegetation cover and human activity. The application of protected cultivation measures decreased obviously the loss of water

soil and nutrient. The development of the comprehensively harnessing techniques and the establishment of the suitable water and nutrient conditions were the effective measures for the quick rehabilitation of vegetation and soil fertility in eroded soil regions.

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