A diagnostic tool for magnesium nutrition in maize based on image analysis of different leaf sections - Silva, Fernanda de Fátima da; Luz, Pedro Henrique de Cerqueira; Romualdo, Liliane Maria; Marin, Mário Antônio; Zúñiga, Alvaro Manuel Gómez; Herling, Valdo Rodrigues; Bruno, Odemir Martinez (Crop Science, 2014)