Based on Zhangbei's special climate and topical environment
different models were put forward for effective utilizing resources of water and land
and the techniques that matched agro-saving water were summarized
according to the requirement of the food production and eco-environment improvment. All the measures were aimed to improve the production efficiency of water and land resources
construct high effective agriculture and stock raising
increase income and eco-environment for local residents
and form a "green gate" and defend barrier for Beijing and Tianjin
by decreasing the area of cropland
stopping excessive farming or grazing
regulating agricultural structure and developing agro-saving water techniques.