Influence of Branch Cover and Water Retaining Agent on Soil Water

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Publication date
1 January 2010
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Abstract

通过野外定位试验,研究了树枝覆盖和保水剂对土壤水分的影响。结果表明,树枝覆盖抑制土壤蒸发的效果明显,在土壤含水量大于16%时,可抑制2/3左右的土壤蒸发,树枝覆盖可提高表层土壤含水量达30%;滴灌条件下保水剂穴施可明显减少土壤水分的垂直入渗,提高湿润体的平均土壤含水量;滴灌条件下树枝覆盖结合保水剂穴施节水效果明显,使0~70 cm深度的土壤含水量增加了24%

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    Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources

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