THE CATCHMENT AND UTILIZATION OF YARD RAINWATER IN ZHUANYAOGOU VALLEY

摘要

As oae of the main measures of domestic water supply and water and soil conservation >We encourage the farmers to build the -water cellars in their yard to catch, and use rainwater in Zhuanyaogau valley . The cellars that have been built are arch, cuboid ,with a volume of 15 to 25 m3,and divided into two kinds : the mixed and the separated . The catchment at precent is mainly used for washing clothing , raising livestocks and watering vegetables -The chemical analysis of the cellar water for drinking shciw that its quality reaches the drink-ing water standard . The capacity of the cellars should be increased in the fu-ture.