Trade gallon explained

A trade gallon is a unit of volume for standard plant containers in the horticultural industries. It equals 3 US liquid quarts or 0.75NaN,^{[1] [2] [3]} although some sources state that a trade gallon equals 2.7L.^[4]

Notably, 10 trade gallons equals 30 US quarts, which in turn equals 1.0 cubic foot, a common unit of measurement for soil.

Notes

1. Glenn . J.S. . Gilliam . C.H. . Edwards . J.H. . Keever . G.J. . Knight . P.R. . December 2000 . Recycled Waste Paper Mulch Reduces Available Container N . J. Environ. Hort. . 18 . 188–191.
2. Book: Avent, Tony . 2003 . So You Want to Start a Nursery . Timber Press . registration . trade gallon. . 123. 9780881925845 .
3. Web site: Container Mania: Why Sizes Differ and What to Look For . Dr. David L. . Morgan . Learn2Grow . 31 March 2017.
4. Tertuliano . M. . Srinivasan . R. . Scherm . H. . February 2012 . Settling behavior of the glassy-winged sharpshooter, Homalodisca vitripennis, vector of Xylella fastidiosa, on southern highbush blueberry cultivars . Entomologia Experimentalis et Applicata . 143 . 67–73 . 10.1111/j.1570-7458.2012.01228.x. 86762034 .