Description Copper as a micro nutrient or trace element is an activator of enzymes in plant tissues. Copper deficiency can result in distorted young leaves with yellowing and die back of growing tips. Copper also helps to control fungal and bacterial infections in plants. Manutec Copper Sulphate (commonly called Blue Stone) helps to correct copper deficiency commonly found in sandy, alkaline and organic soils. Read safety directions on the package before use Follow the directions on the package and apply accordingly.
