Water Absorption Characteristics of Cross-linked Substance of Mica Powder and Poly Acrylic Acid and Its Impacts on Soil Potassium Status Supplying

XU Ao; YAN Li; LOU Yi-lai; SUI Yuan-yuan; ZHANG Lu; GUAN Lian-zhu

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Water Absorption Characteristics of Cross-linked Substance of Mica Powder and Poly Acrylic Acid and Its Impacts on Soil Potassium Status Supplying

- Water Absorption Characteristics of Cross-linked Substance of Mica Powder and Poly Acrylic Acid and Its Impacts on Soil Potassium Status Supplying
- Bulletin of Soiland Water Conservation Vol. 28, Issue 3, Pages: 141-144(2009)
- 作者机构：
  
  1. 沈阳农业大学土地与环境学院,辽宁,沈阳,110161
  3. 中国科学院沈阳应用生态研究所,辽宁,沈阳,110016
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009
- 稿件说明：
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XU Ao, YAN Li, LOU Yi-lai, et al. Water Absorption Characteristics of Cross-linked Substance of Mica Powder and Poly Acrylic Acid and Its Impacts on Soil Potassium Status Supplying[J]. Bulletin of Soiland Water Conservation, 2009, 28(3): 141-144.
DOI：

XU Ao, YAN Li, LOU Yi-lai, et al. Water Absorption Characteristics of Cross-linked Substance of Mica Powder and Poly Acrylic Acid and Its Impacts on Soil Potassium Status Supplying[J]. Bulletin of Soiland Water Conservation, 2009, 28(3): 141-144. DOI：

摘要

选用云母粉和丙烯酸单体为原料，通过交联合成方式，合成了一种新型的保(吸)水材料，在探讨了其保水特征的基础上，采用室内培养试验，进一步分析了其对土壤供钾状况的影响。结果表明，云母粉聚丙烯酸交联物具有很好的保(吸)水特性，尤其具有很好的吸含盐溶液的能力；将其施入土壤后在低剂量时就可以明显提高土壤的供钾强度，并在高剂量时提高土壤钾素的缓冲容量。

Abstract

In this paper

mica powder and acrylic monomer were selected as raw material and made it into a new water absorption polymer.To explore the basic water absorbing characteristic

its influences on the potassium supply of soil was studied by anindo or training experiment.Results showed that the absorbing char-acteristics of the cross-linked substance of mica powder and poly acrylic acid is desirable

especially the strong saline absorption.When applying it into soil in low dose

the cross-linked substance of mica powder and polyacrylic acid can improve the potassium supplying strength of soil and in high dose

it can raise the buffer capacity of soil potassium.

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