Abstract: The subject of this research is the English language terms in literary studies and terminological systems of agricultural and soil microbiology at the present stage of language development. The object of this research is the peculiarities of the terminology models in literary studies and sublanguage of agricultural and soil microbiology, as well as their functionality in the modern English language. The authors meticulously examine the complex terms of literary studies and sublanguage of the agricultural and soil microbiology and their structure, giving special attention to the productive models and their functional orientation, as well as characteristic trends of evolution of compositology of the modern English language. Among the main conclusions of the conducted research are the determination and description of the peculiarities of complex terms, their structure and functionality, as well as outlining and fixation of the productive models on the material of the aforementioned terminological systems of the modern English language. The scientific novelty of this research consists in the fact that this is a first experience in analyzing the complex terminological units of lexicon of the sublanguage of agricultural and soil microbiology, as well as terminology of literary studies participating in formation of the national image of the world.