Smudge pot
Oil-burning device used to prevent frost on fruit trees
Smudge pot
A smudge pot (also known as a choofa or orchard heater) is an oil-burning device used to prevent frost on fruit trees. Usually, a smudge pot has a large round base with a chimney coming out of the middle of the base. The smudge pot is placed between trees in an orchard. The burning oil creates heat, smoke, carbon dioxide, and water vapor, and helps keep the orchard from cooling too much during the cold snaps. Other uses include heating structures and equipment, as safety warnings, creating smokescreens, and rural runway lighting.
Read on Wikipedia · Image Mikeman400 at English Wikipedia, CC BY-SA 3.0
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