noun
or three-course system
: a system of land cultivation under which the common land is divided into three parts of which one or two in rotation lie fallow in each year and the rest are cultivated
noun
or three-course system
: a system of land cultivation under which the common land is divided into three parts of which one or two in rotation lie fallow in each year and the rest are cultivated
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012