ОБЩА ХАРАКТЕРИСТИКА НА СМОЛНИЦИ (VERTISOLS) В РАЙОНА НА СОФИЯ, БЪЛГАРИЯ

Abstract

The soils of type Vertisols have a particularly great importance, especially in relation to the agriculture of Bulgaria. This is due to their distribution in the low-lying parts of the country and their high fertility. Тhe paper presents a general description of Vertisols in the Sofia region, Bulgaria. They are well stocked with nutritional elements, which determines their importance for the agriculture of the country. At the same time, their water regime and soil texture are unfavorable for the development of forest vegetation.