Soil fertility classification for sugarcane in supply areas of a sugar mill: CLASSIFICATION BY FERTILITY . Agro Productividad, [S. l.], 2021. DOI: 10.32854/agrop.v14i10.1703. Disponível em: https://mail.revista-agroproductividad.org/index.php/agroproductividad/article/view/1703. Acesso em: 23 apr. 2026.