Chemical composite: Mn =40-70% Fe =
Manganese ore, bat guano oganic fertilizer, iron.
No., Products Age Fertilizer 1 Old bat guano type 1 More than 50 years old 0-19-0 2 Old bat guano type 2 More than 2 years old but over 50 years old N= 0-2.5% P = 10-18% K = 0 û 1% 1-12-0.5 3 New bat guano 1-2 years old 3-5-1