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Preliminary Study on the Estimation of Mean Soil Water Content by Using Water Content of Soil Layer with Concentrated Root of Wheat
Author(s): 
Pages: 13-15
Year: Issue:  4
Journal: WATER SAVING IRRIGATION

Keyword:  冬小麦根系密集层计划湿润深度土体含水量;
Abstract: 以2001、2002两年的试验资料为基础,分析了冬麦田不同层次的土壤水分含量与0~50 cm土体水分含量的相关关系,结果表明,10~20 cm根系分布密集层与0~50 cm土体水分含量之间关系最为密切,两者间的数量关系为:y=7.624 78+0.713 24x10-20.据此方程可以用根密集层的土壤含水量估测0~50 cm土体的水分含量,用于指导小麦的节水灌溉.
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