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Guano is the excrement – feces and urine, of seabirds, cave dwelling bats, and seals.

Guano is the excrement – feces and urine, of seabirds, cave dwelling bats, and seals.

Overview

• Guano manure is an effective fertilizer. • This is due to its high levels of phosphorus and nitrogen and its lack of odor. • It was an important source of nitrates for gunpowder. • Soil that is […]