Hi-Yield Zinc Sulphate is a dry zinc formulation designed for application around fruit trees to correct zinc deficiencies that can cause fruit deformities and poor growth. It is especially effective for preventing and correcting rosette in pecan trees, helping promote healthier foliage and improved fruit development. For foliage sprays, apply at a rate of 1 tablespoon per 3 gallons of water. For soil treatment, apply 1¾ lbs. per inch of trunk diameter as directed.