Total nutrient (N+P2O5) 57 - 64 % Nitrogen 15 - 18 % P2O5 42 - 46 % Water-soluble phosphorus (P2O5) 75 - 89 % Moisture 2 - 5 % Size (1-4mm) 90 - 95 % Pass Uses: Used as a high effective non-chloride N, P compound fertilizer in agriculture. It contains totally 74% fertilizer elements, used as a basic raw material for N, P and K compound fertilizer.