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Analysis of Border Irrigation Efficiency Based on SIRMOD and Optimal of Irrigation Technology Elements
Author(s): 
Pages: 77-80,83
Year: Issue:  4
Journal: Yellow River

Keyword:  畦灌灌水效率灌水均匀度SIOMOD模型;
Abstract: 为了提高畦灌的水分利用效率和粮食产量,进行了畦灌灌水质量评价指标对不同灌水技术要素组合响应规律的模拟研究.选取2009年杨凌渭河北岸河漫滩地的沙壤土和黏壤土畦灌田间实测数据,基于SIRMOD模型求出畦田平均入渗参数,然后通过多组合灌溉模拟分别计算出灌水效率和灌水均匀度.结果表明:畦田规格和单宽流量对灌水效率和灌水均匀度有明显的影响,在一定条件下,随着畦长的增长和单宽流量的减小,灌水效率和灌水均匀度...
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