Saavedra-Mora, D., Murcia-Torrejano, V., Machado-Cuellar, L., Sánchez-Cerquera, J., Estrada-Quintero, L.F. and Ordoñez-Espinosa, C.M. 2020. Soil physical and chemical properties and their relationship with productive units in Campoalegre, Huila State, Colombia. Bioagro. 31, 2 (Apr. 2020), 151-158.