DETERMINATION OF THE AMOUNT OF ORGANIC CARBON IN THE SOIL USING THE "WALKLEY-BLACK" METHOD. Scientific journal of the Fergana State University, [S. l.], v. 30, n. 3, p. 146, 2024. Disponível em: https://journal.fdu.uz/index.php/sjfsu/article/view/4391. Acesso em: 8 jan. 2026.