Bird guano contains

Solution (By Examveda Team)

Bird guano contains 11 - 14% P₂O₅.
Bird guano is the desiccated seabird droppings and a highly effective fertilizer.
It is a pure phosphate fertilizer with 20 - 30% phosphoric acid content (P₂O₅). White Guano, on the other hand, represents a recent formation and refers to the Guano, which is produced daily by animal excrement, especially by seabirds. It consists of 10 - 12% nitrogen, 11 - 14% phosphoric acid (P₂O₅) and 3% potash (K₂O).