"Guano (from Quechua "wani" via Spanish) is the accumulated excrement of seabirds, seals, or cave-dwelling bats.[1] As a manure, guano is a highly effective fertilizer due to its exceptionally high content of nitrogen, phosphate and potassium: nutrients essential for plant growth."
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"Guano (from Quechua "wani" via Spanish) is the accumulated excrement of seabirds, seals, or cave-dwelling bats.[1] As a manure, guano is a highly effective fertilizer due to its exceptionally high content of nitrogen, phosphate and potassium: nutrients essential for plant growth."
https://en.m.wikipedia.org/wiki/Guano
In other words -- why do I give a shit what Adam Smith's opinion is?