Diamond Fertilisers are formulated from more than 20 raw materials sourced from around the world. All fertiliser blends are double screened and oil coated to provide a dust-free flowing product, assisting shelf-life and spreadability. Product include: Granular NPK Fertilisers, Ammonium Sulphate, Muriate of Potash (MOP), Triple Super Phosphate (TSP), Diammonium Phosphate (DAP), Granular Urea, Prilled Urea, Urea Sulphur, Blends, Magsulfate, Sylvinite and Custom fertiliser blends are available on request