Effects of Amelioration to Huangmian Soil by Hydropolyacrylonitrile

Wang Hansheng

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Effects of Amelioration to Huangmian Soil by Hydropolyacrylonitrile

- Effects of Amelioration to Huangmian Soil by Hydropolyacrylonitrile
- Bulletin of Soiland Water Conservation Vol. 16, Issue 5, Pages: 23-26(1997)
- 作者机构：
  
  中国科学院水利部水土保持研究所陕西杨陵,712100
- 作者简介：
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- Published：1997
- 稿件说明：
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Wang Hansheng. Effects of Amelioration to Huangmian Soil by Hydropolyacrylonitrile[J]. Bulletin of Soiland Water Conservation, 1997, 16(5): 23-26.
DOI：

Wang Hansheng. Effects of Amelioration to Huangmian Soil by Hydropolyacrylonitrile[J]. Bulletin of Soiland Water Conservation, 1997, 16(5): 23-26. DOI：

摘要

该文通过采用土壤结构改良剂水解聚丙烯腈处理黄绵土，以探讨幼林地土壤管理的有效措施。试验结果表明：土壤结构改良剂改良黄绵土的效果非常显著。它的使用促进了团粒结构的形成，降低土壤容重，提高土壤渗透性，而且在浓度为0．05％～0．40％的范围内，对黄绵土的改良效果随其浓度的增大而升高。还初步表明：幼林地使用土壤结构改良剂，可提高土壤水分。因此，在劣质立地幼林抚育管理中应用土壤结构改良剂是适宜的。

Abstract

To take effective measures for management of young growth land

the soil structure improver hydropolyacrylonitrile was used to treat Huangmian soil in the experiment.The results show that the effects are very significant that Huangmian soil is improved by hydropolyacrylonitrile

using of which

the production of waterstable aggregates is advanced

soil density is lowered

and soil permeability raised.Moreover

within the concentration range 0.05%~0.40% of the improver

the improvemental effects to Huangmian soil will strengthened with increasing concentration.Also it is preliminarily indicated that using the improver in young growth land might increase soil moisture. Thus it is advisable that soil structure improvers would be applied to tending of young growth in poor site.

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