Betancourth García, C., Salazar González, C. and Rodriguez, M. (2011) “Soil coverage evaluation with calendula (Calendula officinalis L.), crotalaria (Crotalaria Sp. L.) and oat (Avena Sp. L.) in Meloidogyne Spp. control in Quito orange (Solanum quitoense Lam.)”, Revista de Ciencias Agrícolas, 28(2), pp. 43–57. Available at: https://revistas.udenar.edu.co/index.php/rfacia/article/view/13 (Accessed: 18 May 2025).