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Using HYDRUS to simulate the dynamic changes of Ca2+ and Na+ in sodic soils reclaimed by gypsum
cation exchange ion transport leaching
2016/2/22
Sodic soils are characterized by the occurrence of excess sodium to levels that can adversely affect soil structure. In recent years, with the advent of alternatives for reclaiming sodic soils, such a...
Land application of spent gypsum from ditch filters: phosphorus source or sink?
Phosphorus Sorbing Materials Gypsum Ditch Filter
2013/3/4
Agricultural drainage ditches can provide a direct connection between fields and surface waters, and some have been shown to deliver high loads of phosphorus (P) to sensitive water bodies. A potential...