黄土区土壤干化研究进展  

Review of research on soil desiccation in the Loess Plateau

作　　者：王力[1] 邵明安[1] 王全九[1] 贾志宽[2] 李军[1] 

机构地区：[1]中国科学院水利部水土保持研究所黄土高原土壤侵蚀与旱地农业国家重点实验室,杨陵712100 [2]西北农林科技大学农学院,杨陵712100

出　　处：《农业工程学报》2004年第5期27-31,共5页Transactions of the Chinese Society of Agricultural Engineering

基　　金：国家重点基础研究发展规划项目"退化生态系统重建模

摘　　要：全面回顾了国内对土壤干化研究所取得的成果,包括土壤干化的分布及在不同尺度上的分异特征、土壤干层类型、土壤干化的形成原因及其危害、量化指标、防治对策等。同时对这些研究成果作了简单的对比分析,指出了目前研究所面临的问题和不足。并指明今后该领域的研究应结合当前退耕还林还草的总体目标。探索土壤干化的形成机理,提出统一的量化指标,为黄土区退耕还林还草的生态恢复与重建工程提供参考。In this paper, the researches on soil desiccation were reviewed, including its distribution and variable characteristics, the types of dried soil layer, the causes of formation, its harms on eco-environment, measured indexes and countermeasures against it. Simultaneously, the problems were stated and the prospective tasks of this field were proposed. The mechanisms of soil desiccation formation and the suitable measured indexes for soil desiccation were put forward. And this would be very crucial to the eco-environment construction and restoration in the Loess Plateau.

关 键 词：黄土区 土壤干化 土壤干层 指标 退耕还林 

分 类 号：S152.7[农业科学—土壤学] S157[农业科学—农业基础科学]