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Wollastonite is a product that is made by crushing, drying and milling wollastonite ore. It contains calcium and silica. Wollastonite is proven to increase yields and improve plant integrity.
Application rates vary according to soil conditions and plant requirements. Apply wollastonite according to your soil test results, taking into consideration the soil pH, as well as the calcium and magnesium requirements, and silicon supplementation.