Gypsum SuperCal SO4 OMRI Listed 50 Pound Bag

$18.52 each

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Gypsum is a natural occurring calcium sulfate that can provide calcium to soils without affecting the pH. Gypsum is said to lighten compacted heavy soils. Gypsum can also be used in the barn gutter to preserve volatile nitrogen in manure. Recent studies suggest that applications of Gypsum on lawns may mitigate problems with turf pests such as grubs and chinch bugs.

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