The population in Qinghai province is relatively concentrated

but water resource is poor.It could overcome the irrigation difficulty of water deficiency throughout history to popularize the technique of rainwater accumulation and utilization.Rainwater accumulation contains 2 links of collection and storage.Rainwater collection should follow the principle of suiting measures to local conditions and making full use of rainwater resource

using local materials and reducing the costs;It should put stress on cellar storage in storing rainwater.Rainwater utilization contains potable water for people and livestock

developing courtyard economy

processing agricultural and sideline products

developing water saving for estry and dry farmingetc.

it is a technique of multi-founctions

lower cost and high benefits

it is the effective way to improve the society

develop the economy and construct the ecosystem in mountain areas.