Quote:
Originally Posted by natedogg1026
Gypsum will ammend the clay. Gosh Dean, that looks pretty nasty to dig through. Mine was just solid clay. No rocks here. Good work!
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Gypsum alone will not amend clay. You also need humic acids. The gypsum helps mediate the small particle size of clays, and the humic acids (complex mix of light carbonic acids) mediate the tight ionic bonds of the clay minerals, releasing nutrition to plants.
DEAN: Home Depot stocks agricultural gypsum and also a product called "soil buster" that is ~70% gypsum. Your Home Depot probably also stocks Kellogg Garden Products soils. If they have N'Rich - great. 2nd best: "Amend". These both contain significant amounts of humic acid solids. Humic acids are also found in Dr. Earth soil conditioners and GroPower -- sold at independent nurseries and farm supply stores. "It will be on the label".
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