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What's Happening from Environmental Building News
October 1, 2001
Earthworms and Type-X Drywall
The benefits of gypsum (CaSO4 · 2H2O) as a soil amendment are well established: gypsum improves soil tilth, particularly in clayey soils, and effectively displaces the sodium in soils that have high salt content. Research has shown that applying grou...
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