DETERMINATION OF THE ECONOMIC AND PHYSIC OPTIMAL NITROGEN RATES FOR THE CORN CROP WITH THREE RESPONSE MODEL, AZUERO, PANAMA, 2000-2002. ciencia-agropecuaria [Internet]. 2004 Feb. 5 [cited 2026 Oct. 9];(15):1-16. Available from: https://idiap.desarrollo-ojs1.metadatos.org/index.php/ciencia-agropecuaria/article/view/208