Item Infomation
Title: |
Increases in Ca/Mg ratios caused the increases in the mobile fractions of Cr and Ni in serpentinite-derived soils in humid Asia |
Authors: |
C.Y.Yang D.Q.Nguyen H.T.T.Ngo |
Issue Date: |
2022 |
Publisher: |
Elsevier |
Abstract: |
Serpentinite-derived soils are characterized by low Ca/Mg ratio and abnormally high Cr and Ni concentrations due to the geogenic sources. The breakdown of parent materials during pedogenesis may lead to the changes in both Ca/Mg ratios and fractions of Cr and Ni. This study hypothesized that total Ca/Mg (Cat/Mgt) and exchangeable Ca/Mg (Cae/Mge) ratios increase with soil development, associated with the increases in potentially mobile fractions (PMFs) of Cr and Ni. Thirty-five soil horizon samples of eight pedons from Japan, Taiwan, Philippines, and Vietnam were collected, and the exchangeable concentrations of Ca and Mg were measured. |
URI: |
https://www.sciencedirect.com/science/article/abs/pii/S0341816222004040?via%3Dihub https://dlib.phenikaa-uni.edu.vn/handle/PNK/5980 |
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