Other crossword clues for answer "GUANO"GUANONatural fertilizerBat crapBatshitFertilizer made from wasteBat _____Batty fertilizerIt's mined from cavesVisitors to Carlsbad Caverns were once lowered into the caves with buckets that also were used to remove this (eww)Natural fertilizer sourceFertilizer from sea birdsOrganic fertilizerBat cave liningEco-friendly fertilizerFertilizer from batsFertilizer.Important export of Peru.A fertilizerNauru exportRich fertilizerBat cave deposit53-Across was a huge 19th century exporter of thisBat droppingsFertilizer derived from sea birdsA fertilizer sourceBat cave accumulation