地理科学 ›› 2006, Vol. 26 ›› Issue (6): 687-692.doi: 10.13249/j.cnki.sgs.2006.06.687

• 论文 • 上一篇    下一篇

东北黑土水土流失特点

张晓平1, 梁爱珍1,2, 申艳1,2, 李文凤1,2, 张学林1, 王玉玺3, 解运杰3, 刘凤飞3, 杨学明4   

  1. 1. 中国科学院东北地理与农业生态研究所, 吉林 长春 130012;
    2. 中国科学院研究生院, 北京 100049;
    3. 黑龙江水土保持科学研究所, 黑龙江 宾县 150400;
    4. 加拿大农业部Harrow研究中心 安大略, N0R 1G0
  • 收稿日期:2006-02-21 修回日期:2006-08-19 出版日期:2006-11-20 发布日期:2006-11-20
  • 基金资助:
    国家自然科学基金资助项目(40471125)、吉林省科技发展计划资助项目(20050206-4)资助。

Erosion Characteristics of Black Soils in Northeast China

ZHANG Xiao-Ping1, LIANG Ai-Zhen1,2, SHEN Yan1,2, LI Wen-Feng1,2, ZHANG Xue-Lin1, WANG Yu-Xi3, XIE Yun-Jie3, LIU Feng-Fei3, YANG Xue-Ming4   

  1. 1. Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, Jilin 130012;
    2. Graduate University of Chinese Academy of Sciences, Beijing 100049;
    3. Heilongjiang Soil and Water Conservation Research Institute, Bin County, Heilongjiang 150400;
    4. Harrow Research Centre, Agriculture & Agri-Food Canada, Harrow, Ontario, Canada, NOR 160
  • Received:2006-02-21 Revised:2006-08-19 Online:2006-11-20 Published:2006-11-20

摘要: 东北黑土区是中国的主要粮食生产基地。黑土水土流失和肥力退化一直是东北农业持续发展必须面对的问题。文章以黑土为对象,分析了水土流失的方式和特点。黑土流失面积虽大,但侵蚀的土壤物质大部分没有进入河道,而是在黑土景观的低洼部位堆积下来,形成侵蚀和堆积共存的土壤物质再分布景观特征。合理的农业管理措施,如等高耕作和保护性耕作可以在很大程度上控制黑土侵蚀,保持和恢复黑土肥力。

Abstract: Black soils in Northeast China is main agricultural resources for grain production in China. The sustainability of agriculture in Northeast China is jeopardized by soil erosion and degradation of soil fertility. This article took the black soil as a target to analyze its erosion types and characteristics. Surface erosion by water is the most dominant erosion process for the majority of black soils in the region. Many eroded soil materials associated with the runoff have been re-deposited in low-lying land. Reasonable agronomic management practices can conserve black soils from erosion and regain black soil fertility, including contour ploughing and conservation tillage.

中图分类号: 

  • S153