Monoammonium Phosphate Fertilizer (Maxi MAP) | 25kg contains 12% Nitrogen (N) and 61% Phosphorus (P) and it is 100% water-soluble. It is mostly used as a source of Phosphorus (P) and Ammonical Nitrogen (N). MAP has a higher content of Phosphorus (P) compared to most other fertilizers and it's used when high percentages of Phosphorus (P) are needed or for blooming plants including fruits and vegetables.