CORN RESPONSE TO DIFFERENT LEVELS OF NITROGEN IN ROTATION WITH CANAVALIA UNDER TWO TYPES OF TILLAGE. RIO HATO, PANAMA. 1993-1994. (2002). Ciencia Agropecuaria, 11, 13-30. https://idiap.desarrollo-ojs1.metadatos.org/index.php/ciencia-agropecuaria/article/view/366