Development peculiarities of the agricultural nomenclature units of the Russian language

There are described the theoretical issues of functioning of the nomenclature units of the Russian language. Based on the vocabulary from various thematic groups of the agricultural sphere there are analyzed the peculiarities of nomens formation which denote the realities of plant growing in various periods of the history of Russia and the Russian language: the period of formation of the Russian centralized state (late XIII - early XVI centuries), XVIII, XIX centuries, Soviet and modern periods. There is emphasized the close connection of the nomenclature denotations and agricultural terms.