Or spread a 2-inch layer around the base of existing plants. Loosens clay soils and neutralizes excessive sodium or magnesium in soils. Broadcast 4 lbs. Work it into the soil. Decreases the acidity of soils, making them more alkaline.
Effect lasts several years.
Apply 8 lbs. Have the soil retested a year after application and reapply if necessary. Sulfur Sulfur decreases the soil pH, making alkaline soils more acidic. The results are short-term. Broadcast 1 lb.