Influence of Water Absorbing Resin on Soil Moisture Retention Properties

XIE Bo-cheng; XUE Xu-zhang; WANG Ji-hua; WANG Guo-dong; GAO Zhi-yuan

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Influence of Water Absorbing Resin on Soil Moisture Retention Properties

- Influence of Water Absorbing Resin on Soil Moisture Retention Properties
- Bulletin of Soiland Water Conservation Vol. 22, Issue 6, Pages: 44-46(2003)
- 作者机构：
  
  1. 国家农业信息化工程技术研究中心,北京,100089
  2. 西北农林科技大学资源与环境学院, 陕西,杨凌,712100
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2003
- 稿件说明：
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XIE Bo-cheng, XUE Xu-zhang, WANG Ji-hua, et al. Influence of Water Absorbing Resin on Soil Moisture Retention Properties[J]. Bulletin of Soiland Water Conservation, 2003, 22(6): 44-46.
DOI：

XIE Bo-cheng, XUE Xu-zhang, WANG Ji-hua, et al. Influence of Water Absorbing Resin on Soil Moisture Retention Properties[J]. Bulletin of Soiland Water Conservation, 2003, 22(6): 44-46. DOI：

摘要

测定了保水剂对土壤持水性状的影响。保水剂拌入土壤后

其吸水能力明显降低

表现为理论含水量明显低于实测含水量。加入保水剂后

壤土水分的蒸发率比不加保水剂时壤土中水分的蒸发率高

沙土水分的蒸发率比不加保水剂时低。加入保水剂还明显减缓了水分向土壤深层的入渗

使水分滞留于土体近表层

使用不当会加大土壤无效蒸发的潜力。

Abstract

The influence of water absorbing resin on moisture retention properties of soils is studied.After added into soil

the moisture absorbing ability of resin decreased abruptly

resulting in less soil water content increment than expected.The evaporation rate of water in loamy soil increased as resin proportion in soil increased.The evaporation rate of water in sandy soil decreased as resin proportion increased.Adding of water absorbent restricted water infiltration into deep layer and could lead to more evaporation in early stages if applied improperly.

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