These granules are specially carbonised and calcined to give them a black carbon coating. They have a liquid holding capacity of 35% and are used as a carrier agent for pesticides like Phorate 10 CG, and for bio fertilizers like Zyme and Humic acid. They are mainly used as a sustained retard release agent for bio fertilizers, bio pesticides, plant growth stimulants, herbal based fungicides, insecticides and repellents. They enhance integrated crop management to give maximum yield and productivity to the coated technique.