迁安县历年种植花生23万亩左右,占全县总耕地面积的29.7％,是河北省花生生产基地之一。但是,这些花生大都分布在地不平、土质薄、水源少,土壤保水性能差的丘陵坡地和河滩沙地上。发展水利灌溉困难较大,产量低而不稳,花生单产只有100～200斤。据迁安县1957年至1981年25年气象资料分析,在花生需水的关健 Qian’an County, perennials planted throughout the years about 23 acres, accounting for 29.7% of the total area of ​​arable land in the county, Hebei Province, is one of the peanut production base. However, most of these peanuts are distributed on the hilly slopes and beach sand of poor land, thin soil, low water resources and poor soil water retention capacity. Development of irrigation greater difficulties, low yield and instability, peanut yield only 100 to 200 pounds. According to Qian’an County 25 years from 1957 to 1981 meteorological data analysis, the key to water demand in peanuts