The Investigation on Separate Furrow Irrigation of Film Maize in Southern Ningxia Hill Region

The separate furrow irrigation is a new way of economizing irrigation,which has been investigated and popularized,but there is no report in southern Ningxia hill region.In Pengyang county,separate furrow irrigation of film maize was introduced.The result indicats:separate furrow irrigation is compared with full irrigation,the output is equal,water use efficiency add by(12.44%),using water quantity is half to full irrigation;compared with no irrigation,economic output and water use efficiency is increased 38.24% and 38.65% respectively.