Water-stability Property of Soil Aggregates Stabilized by SA-01 Polymer Soil Anti-erosion Material

LI Hao; HU Jiajun; REN Hongyu

doi:10.13961/j.cnki.stbctb.2018.04.027

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Water-stability Property of Soil Aggregates Stabilized by SA-01 Polymer Soil Anti-erosion Material

- Water-stability Property of Soil Aggregates Stabilized by SA-01 Polymer Soil Anti-erosion Material
- Bulletin of Soiland Water Conservation Vol. 38, Issue 4, Pages: 162-167(2018)
- 作者机构：
  
  1. 长江科学院水土保持研究所,湖北,武汉,430010
  2. 水利部长江水利委员会,湖北,武汉,430010
  3. 水利部山洪地质灾害防治工程技术研究中心,湖北,武汉,430010
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2018.04.027
  CLC：
- Published：2018
- 稿件说明：
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LI Hao, HU Jiajun, REN Hongyu. Water-stability Property of Soil Aggregates Stabilized by SA-01 Polymer Soil Anti-erosion Material[J]. Bulletin of Soiland Water Conservation, 2018, 38(4): 162-167.
DOI：

LI Hao, HU Jiajun, REN Hongyu. Water-stability Property of Soil Aggregates Stabilized by SA-01 Polymer Soil Anti-erosion Material[J]. Bulletin of Soiland Water Conservation, 2018, 38(4): 162-167. DOI： 10.13961/j.cnki.stbctb.2018.04.027.

摘要

[目的]探讨自研抗蚀剂产品对土壤团聚体水稳性的影响，并分析其影响机理，为坡耕地水土流失治理工作提供支持。[方法]以自主研发的多糖类高分子抗蚀材料SA-01为对象，研究其对红壤团聚体水稳性的影响。[结果]施用0.25%浓度SA-01后，3组粒径团聚体水稳性平均提高2.6倍，施用1%浓度SA-01后3组粒径土壤团聚体水稳性都达到100%。且施用SA-01后，在相同粒径条件下，团聚体水稳性随SA-01浓度增加而增加；在相同施用浓度条件下，团聚体水稳性随其粒径增大而减小。[结论]团聚体水稳性试验表明，SA-01能大幅提升团聚体水稳性；抗蚀机理分析与讨论表明SA-01通过在土壤团聚体表面形成一层透水的保护层是团聚体水稳性提升的关键。

Abstract

[Objective] Discussing the influence and the mechanism of a self-developed soil anti-erosion material on the water-stability property of soil aggregates to provide a better theoretical insight for the treatment of sloping farmland.[Methods] Investigating the changes of red soil aggregates water-stability used a self-developed polysaccharide polymer soil anti-erosion material named SA-01.[Results] The soil aggregates water-stability became 2.6 times of the original ones after 0.25% SA-01 treated and became 100% after 1% SA-01 treated.[Conclusion] The SA-01 could greatly enhance the water-stability property of red soil aggregates and the thin permeable film which was formed on the surface of soil was the key factor to the enhancement.

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references

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