Green Life Soil – Gypsum 1kg
$9.95 inc. GST
Otherwise known as hydrated calcium sulfate, Gypsum occurs as a saline evaporite mineral from ancient watercourses (similar to limestone). It is a major industrial mineral used in products from paper to paint, and also as a food additive.
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Description
Gardeners are interested in its applications as a clay breaker, helping to improve structure and increasing the infiltration of air and water through the soil. It also allows plant roots to penetrate, alleviating compaction. Gypsum is pH neutral and is a useful source of calcium.
Gypsum should be added at a rate of 0.5 -1kg per m2, digging into the soil. It is also beneficial to add organic matter to continue to improve the soil structure.