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Information Technology Journal

Year: 2013  |  Volume: 12  |  Issue: 21  |  Page No.: 6416 - 6419

Winter Wheat Water Use Efficiency in Middle Scale

Wang Jing, Liu Fuhai and Yang Jinzhong

Abstract

Winter wheat water use efficiency in the semiarid regions in middle scale was studied in the study, combined with the theory of Water Use Efficiency (WUE) and the reliably officially statistical data. The results indicated that the average WUE for the winter wheat in Hebei province varied from 1.1 to 1.30 kg m-3 and it was much higher than other regions in China.Tangshan city was a region of a highest consuming water and much lower winter wheat yield among the eleven cities in the middle scale. Winter wheat WUE in Handan and Cangzhou were much higher among them, while their consuming water and winter wheat yield were both lower. The consuming water in Baoding was the highest in Hebei province but the winter wheat yield was much lower. And the irrigation water in Shijiazhuang was less than the one in Baoding, its yield was highest among the eleven cities. To obtain higher yield and higher water use efficiency with lower irrigation water, we suggested that the irrigation schedules in Shijiazhuang, Qinghuangdao, Handan and Cangzhou should be referenced so as to optimize and adjust the irrigation schedules in other cities.

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