Study on Water-saving Mode Test in Border Irrigation Technology of Hebei Typical Irrigation District
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Abstract:
Border irrigation is one of the most popular surface irrigation methods. The border irrigation technology in the experimental district is promoted and it found the suitable water-saving border irrigation program, which can improve the water use efficiency and relief the water shortage. Comparative test are taken for winter wheat in different irrigation program in Shijin Irrigation District, including water use efficiency and crop yield. It studied the influence of the side of border with the width of 10 m and 3m in combined well with canals area. The result shows that the optimum irrigation quotas are 2 250 m3/hm2 and 2 700 m3/hm2 respectively to ensure the yield above 6 750 kg/hm2 in the condition of normal soil fertility, medium drought year and sufficient seeding. The optimum border size should be 30～50 m long and 3m wide.
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