Answer: guanos

AnswerCrossword Clue
GUANOSNatural fertilizers
GUANOSFertilizers
GUANOSBat cave compounds
GUANOSCave deposits
guanosa fertilizer containing the accumulated excrement of seabirds or bats
guanosmanure from the excrement of sea birds
guanosGUANO, the accumulated excrement of sea birds