History of soil research -- Geology and geomorphology -- Climate -- Vegetation -- Distribution and classification of soils -- Soils of the Pampean Region -- Soils from the Patagonian Region -- Northwestern Argentina Soils -- Soils of the Cuyo Region -- Soils of the Chaco Region -- Soils of the Mesopotamian Region -- Soils of Entre Rios -- Soils of Corrientes -- Soils of Misiones -- Soils of theā¦