Effects of sodium polyacrylate on water retention and infiltration capacity of a sandy soilReport as inadecuate




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SpringerPlus

, 2:S11

First Online: 11 December 2013

Abstract

Based on the laboratory study, the effects of sodium polyacrylate SP was investigated at 5 rates of 0, 0.08, 0.2, 0.5, and 1%, on water retention, saturated hydraulic conductivityKs, infiltration characteristic and water distribution profiles of a sandy soil. The results showed that water retention and available water capacity effectively increased with increasing SP rate. The Ks and the rate of wetting front advance and infiltration under certain pond infiltration was significantly reduced by increasing SP rate, which effectively reduced water in a sandy soil leaking to a deeper layer under the plough layer. The effect of SP on water distribution was obviously to the up layer and very little to the following deeper layers. Considering both the effects on water retention and infiltration capacity, it is suggested that SP be used to the sandy soil at concentrations ranging from 0.2 to 0.5%.

Keywordssodium polyacrylate water retention infiltration sandy soil leakage  Download fulltext PDF



Author: Wenhua Zhuang - Longguo Li - Chao Liu

Source: https://link.springer.com/







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