A goal of seeking a low border irrigation quota not causing deep percolation was based on limited water resources supplementary irrigation of farmland.Field experiments were conducted in a medium loam in Yangling district Shaanxi province in the semiarid region to investigate the influences of border dimensions and irrigation variables on Application Efficiency(Ea)and Distribution Uniformity(DU).Study on the best combination of irrigation variables by the flow movement curve fitting of surface irrigation by...
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