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Vol. 26 No. 17 (2014): Vol 26 Issue 17

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Effects of Different Macromolecule Absorbent Resins on the Moisture Characteristics of Major Soil Type on Loess Plateau

https://doi.org/10.14233/ajchem.2014.18198
Yong-Hui Yang
Institute of Plant Nutrition, Environment and Resources, Henan Academy of Agricultural Sciences, Zhengzhou 450002, P.R. China ; Institute of Soil and Water Conservation, Northwest A & F University, Yangling 712100, P.R. China; Yuanyang Experimental Station of Crop Water Use, Ministry of Agriculture, Yuanyang 453514, P.R. China
Ji-Cheng Wu
Institute of Plant Nutrition, Environment and Resources, Henan Academy of Agricultural Sciences, Zhengzhou 450002, P.R. China ; Yuanyang Experimental Station of Crop Water Use, Ministry of Agriculture, Yuanyang 453514, P.R. China
Shi-Wei Zhao
Institute of Soil and Water Conservation, Northwest A & F University, Yangling 712100, P.R. China

Corresponding Author(s) : Shi-Wei Zhao

swzhao@ms.iswc.ac.cn

Asian Journal of Chemistry, Vol. 26 No. 17 (2014): Vol 26 Issue 17

Abstract

In order to verify the effects of different macromolecule absorbent resins [PAM (polyacrylamide), PAA (sodium polyacrylate), Wote super absorbent] on the water characteristics of Heilu soil, the major type of soil on the Loess Plateau. We studied the effects of different macromolecule absorbent resins on the soil moisture characteristic curve, water retention ability, water furnishing ability, water transmitting ability and evaporative resistance. The application of different macromolecule absorbent resins into the soil improved the water retention ability and water furnishing ability of the soil and promoted the increase of availability of soil moisture. In addition, it also improved the soil moisture constant and reduced the evaporation capacity of the soil. Among the various applications, the application with 0.212 mg/kg of sodium polyacrylate was the most ideal choice for improving the water retention and water furnishing abilities and increasing the availability of soil moisture of Heilu soil among various macromolecule absorbent resins.

Keywords

Macromolecular materials Loess Plateau Heilu soil Water retention ability Water furnishing ability Available water
Yang, Y.-H., Wu, J.-C., & Zhao, S.-W. (2014). Effects of Different Macromolecule Absorbent Resins on the Moisture Characteristics of Major Soil Type on Loess Plateau. Asian Journal of Chemistry, 26(17), 5755–5760. https://doi.org/10.14233/ajchem.2014.18198
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