Perspective of soil carbon sequestration in Chilean volcanic soils oleh Francisco Matus, Osvaldo Salazar, Felipe Aburto, Denisse Zamorano, Francisco Nájera, Radmila Jovanović, Catalina Guerra, Luis Reyes-Rojas, Oscar Seguel, Marco Pfeiffer, José Dörner, Susana Valle, Sergio Radic-Schilling, Efraín Duarte