Changes of Sodicity and Salinity In Soils Reconstructed on Strip-mined Land
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1980
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Soluble salt and sodium levels in soils spread over strip-mine spoils can and do change, and planning for reclamation should take this into account. At the site of several reclamation experiments in western North Dakota, upward migration of sodium increased the exchangeable sodium of topsoil spread over minespoil. Evidence is presented which indicates that chemical diffusion played an important role in this process.