guano

• So, although bird guano is a natural fertilizer, it is the first example of a fertilizer which links agriculture with an imported, highly concentrated form of nutrients, presaging the use of human-made chemically-derived fertilizers. catalyst to create ammonia, ammonia nitrate, and urea. —  Featured Articles - Encyclopedia of Earth
• The islands are covered in birg droppings (50 metres deep in some places) called guano which is apparently a good fertilizer. —  TravelPod.com Recent Updates
• If their guano is pink, they're eating krill; if the guano is white, fish and invertebrates are the meal du jour; and if green, they're fasting or starving, and ejecting stomach bile. —  MoJo Blogs and Articles
• They have to wear iron masks, as the fresh guano is stronger than volatile salts, and more penetrating than coal-dust The bird which produces the guano is a sort of tern, with red bill and legs. —  A Voyage round the World A book for boys
• "My dear, the guano will be here to-day; so the horses will be wanted all the week--remember that." —  The Bertrams

Allen's Synonyms and Antonyms

Used in the Same Context