COMPREHENSIVE WATER-SAVING TECHNOLOGY MODE OF HIGH YIELD AND HIGH EFFICIENCY FOR MAIN CROPS IN PLAIN WELL-IRRIGATED AREA OF HUANTAI COUNTY

摘要

Huantai county is located in northern China between 117°49′～118°00′east longitude and 36°54′～37°04′north latitude where the economy especially the secondary and tertiary industry is booming in recent years.The county is situated in north of Tai mountain and south of Huanghe river with total area of 500 km2 and plantation of 31.8 thousand ha.As the first"one ton yield county"in northern China，the main crops are winter wheat and maize in the plantation.The agricultural water source for irrigation is mainly the shallow groundwater within the aquifer of 100 meters.Until recently,there has been over 10，000 irrigation wells built in Huantai county.