You can also amend the soil with gypsum, which does the same thing. It's loaded with positive ions, which attract the ...

The best materials to add to clay soil are organic compost, bark chips, composted leaves or gypsum, as these can improve soil structure and alleviate compaction problems.' And, if clay isn't your ...

“In natural settings, over a long period of time the dispersed clay particles move ... Extension to remediate soils by incorporating flue gas desulfurization gypsum, a by-product from the ...