Gili, P. “Biological Changes in the Soil Related With the Use of Cover Crops in an Organic Apple Orchard”. REVISTA TERRA LATINOAMERICANA 25, no. 3 (September 1, 2007): 279–286. Accessed November 9, 2024. https://mail.terralatinoamericana.org.mx/index.php/terra/article/view/1406.