Online Encyclopedia

GUANO (a Spanish word from the Peruvi...

Online Encyclopedia
Originally appearing in Volume V12, Page 651 of the 1911 Encyclopedia Britannica.
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GUANO (a Spanish word from the Peruvian huanu, dung), the excrement of birds, found as large deposits on certain islands off the coast of Peru, and on others situated in the Southern ocean and off the west coast of Africa. The large proportions of phosphorus in the form of phosphates and of nitrogen as ammonium oxalate and urate renders it a valuable fertilizer. Bat's guano, composed of the excrement of bats, is found in certain caves in New Zealand and elsewhere; it is similar in composition to Peruvian guano. (See MANURES AND MANURING.)
End of Article: GUANO (a Spanish word from the Peruvian huanu, dung)
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