Abstract
Microscopic mechanisms have played a central role during development of different natural sciences and should be the key to construct new foundations for soil science. Abundant surface charge is probably the most important characteristic for soil systems and critical to soil interfacial processes. In this perspective, we discussed (1) more than ten techniques to determine surface charge, (2) different classical theories used to interpret soil interfacial processes and (3) recent progresses on microscopic mechanisms of soil interfacial processes focusing on new theories, ion exchange, clay aggregation, aggregates stability and water infiltration. It manifested that non-classical polarization can account for these microscopic mechanisms, and an updated understanding in this regard was offered. Suggestions were then posed with respect to development of soil science.
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ACKNOWLEDGMENTS
This work was sponsored by the Innovative Research Groups of CQ, China (CXQT10006), National Natural Science Foundation of China (41530855) and Natural Science Foundation Project of CQ CSTC, China (cstc2017jcyjAX0145).
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Gang Yang, Li, Q. & Li, H. Measurement of Surface Charges and Mechanism of Interfacial Processes for Soil Clay Minerals. Eurasian Soil Sc. 54, 1546–1563 (2021). https://doi.org/10.1134/S1064229321100136
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DOI: https://doi.org/10.1134/S1064229321100136