摘要
该文以大量翔实的调查资料，分析论证了西北黄土高原水土流失区制约粮食生产发展的因素，干旱发生规律及其主要类型，进而对该区干旱缺水的因素进行了深层次的研究；为粮食及农业生产的防旱抗旱减灾活动提供了理论依据。
The factors influencing grain production in water and soil erosion regions of Loess Plateauhave been analyzed on the basis of a large amount of primary data. The law and the main types ofdrought，particularly the factors resulting in drought have been discussed deeply．The results couldhelp provide a theortical base for preventing and fighting a drought.
出处
《生态经济》
1996年第3期16-21,共6页
Ecological Economy
基金
国家八五科技攻关项目
关键词
生态系统
干旱
粮食生产
黄土高原
水土流失区
ecosystem drought grain production water and soil erosion region in LoessPlateau
