摘要
水土流失等自然灾害是黄土高原地区农村经济持续发展的主要制约因素，本文以较为典型的黄绵土为例，分析其形成、性质、保水能力，在此基础上提出黄绵土的合理利用与保护模式：
The soil erosion and other natural disasters,in the Loess Plateau of rural sustainable economic development of the major constraints,this article is more typical of loess soil,for example,analysis of the formation,nature,water retention,in this based on the proposed loess soil of the rational use and protection of mode.
关键词
自然修复
黄绵土生态景观
合理保护
产业化
conservation of water and topsoil
ecological landscape loess soil
reasonable use
protection model
the losses of water and soil
microbial crusts
