There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.
undersoils
plural of undersoil
Source: Wiktionary
Un"der*soil`, n.
Definition: The soil beneath the surface; understratum; subsoil.
Source: Webster’s Unabridged Dictionary 1913 Edition
15 March 2025
(noun) the replacement of an edge or solid angle (as in cutting a gemstone) by a plane (especially by a plane that is equally inclined to the adjacent faces)
There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.