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Gypsum or CaSO4.2H20 is an excellent source of both Calcium and Sulphur which are essential for both yield and grain quality.
Gypsum is Graded generally into the following grades:
Grade 1 Gypsum – contains >15% Sulphur (S) and >19% Calcium (Ca)
Grade 2 Gypsum – contains >12.5% Sulphur (S) and >15.5% Calcium (Ca)
Grade 3 Gypsum – contains >10% Sulphur (S) and >12.5% Calcium (Ca)
Whitfield Gypsum has been supplying Grade 1 Gypsum to the agricultural and farming communities for more than 20 years from their Lake Cowan operation just outside of the Norseman township.
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