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http://dx.doi.org/10.14481/jkges.2019.20.1.27

A Study on the Acid Drainage Neutralizing System for Ecological Vegetation on the Acid Drainage Slope  

Cho, Sung Rok (Environmental Landscape Architecture, Cheongju University)
Shim, Sang Ryul (Environmental Landscape Architecture, Cheongju University)
Kim, Jae Hwan (Environmental Landscape Architecture, Cheongju University)
Publication Information
Journal of the Korean GEO-environmental Society / v.20, no.1, 2019 , pp. 27-33 More about this Journal
Abstract
Research was initiated to find out acid drainage neutralizing techniques for ecological vegetative growth on the acid drainage slope. Four different acid drainage neutralizing techniques [no treatment, limestone layer treatment, phosphate treatment, and limestone layer + phosphate treatment] were treated on the acid drainage slope. There was a significant difference observed in treated acid neutralizing techniques for acidity, surface coverage rate, death rate and plant root status. Treated acid neutralizing techniques were effective for neutralizing acidity and vegetative growth in order of [first: limestone layer + phosphate treatment, second: phosphate treatment, third: limestone layer treatment and fourth: no treatment]. The limestone layer and the phosphate treatments were effective for neutralizing acidity and vegetative growth, respectively. However, the phosphate treatment was more effective compared to the limestone layer treatment on the acid drainage slope. We figured out that the phosphate treatment is more effective for neutralizing acidity and vegetative growth because of coating effect of sulfides.
Keywords
Acid drainage; Phosphate; Limestone; Acidity (pH); Surface coverage rate (%); Death rate (%); Plant root status;
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Times Cited By KSCI : 1  (Citation Analysis)
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