Organic-Inorganic Compound Fertilizer Content: 25-30% N+P2O5+K2O: 11-5-4, 9-5-6, 12-5-3, 16-3-1 20 ... % min, 5-5-5, 8-8-8 Organic-Inorganic Compound Fertilizer Standard: NY481-2002HS Code ... -5-4, 9-5-6,12-5-3 , 16-3-1 20% min, 5-5-5,8-8-8Bio organic materials ... : wheat, tea, palm oil tree, fruit trees.Size; in granule, 1-5mmStrength: 7.1-8.8NColor: Dark brownpack: in 50kg bag