alb9022130

Engraving depicting the digging out of guano in Peru

Engraving depicting the digging out of guano in Peru. Guano is the accumulated excrement of seabirds and bats, which is a highly effective fertiliser due to it's high content of nitrogen, phosphate and potassium. Dated 19th century.
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Title:
Engraving depicting the digging out of guano in Peru
Caption:
Engraving depicting the digging out of guano in Peru. Guano is the accumulated excrement of seabirds and bats, which is a highly effective fertiliser due to it's high content of nitrogen, phosphate and potassium. Dated 19th century
Credit:
Album / World History Archive
Releases:
Model: No - Property: No
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Image size:
5961 x 3518 px | 60.0 MB
Print size:
50.5 x 29.8 cm | 19.9 x 11.7 in (300 dpi)