Magnesium Sulfate Epsom Salt Technical Grade- Mg 9.8%, S 12.9%. Quick acting Mg & S fertilizer. Can be used for a foliar application. Can be mixed with pesticides or liquid fertilizers. This product is very pure and excellent for taking baths. Epsom Salt USP Grade
Rates: Application rate would be determined after a soil test or tissue analysis is done. Magnesium Sulfate can be applied at 100 lbs per acre but should be side dressed and not broadcast. You have to be cautious when addressing magnesium levels. The reason not to broadcast is due to the solubility this product will leach off if not applied close to the plant where they can be utilized.