... 15-15-15 Specifications: 1)Total:45%min Nitrogen:15%min. 2)P2O5:15%min 3)K2O:15%min. 4)Moisture:1%max npk fertilizer 15-15-15 ... Specifications: 1)Total:45%min Nitrogen:15%min. 2)P2O5:15%min 3)K2O:15%min. 4)Moisture:1%max 15-15-15 ... vegetables and ornamentals.N=Nitrogen P=Phosphorus K=PotassiumNPK 15-15-15, NPK 16-16-16, NPK 17-17-17, ... 16-8-24, NPK 11-22-16, NPK 15-5-30, NPK 14-11-25, NPK 28-8-17 ...