The Growth Characteristic of Summer Maize in the Wide Ditch Irrigation Mode

ShunSheng WangNorth China University of Water Conservancy and Hydroelectric Power, Zhengzhou, Henan 450045, PR Chinae-mail: wangshunsheng609@163.com; +86 13939073310；Fax number: +86 0371 69127591Dongxin LiuNorth China University of Water Conservancy and Hydroelectric Power, Zhengzhou, Henan 450045, PR ChinaXing WangIrrigation and Drainage Development Center of Jiangxi Province, Nanchang, Jiangxi