Ключевые слова: acre, agribusiness, agricultural land, agriculture, arable, arable farming, arable land, crop production, crops, cultivated area, cultivation area, earth, earth crust, economy, farming, farmland, fertile, hand, humus, humus formation, humus layer, land cultivation, soil, soil area, soil condition, soil culture, soil science, soil use, soils, useful area, useful land, vegetation cover,