“AGRONOMIC EVALUATION OF THE NORTH CAROLINE PHOSPHORIC ROCK IN A ULTISOL, IN A RICE-BEEN ROTATION CROP”. 2000. Ciencia Agropecuaria, no. 10 (March): 25-44. https://idiap.desarrollo-ojs1.metadatos.org/index.php/ciencia-agropecuaria/article/view/385.