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Basándote en la recomendación de Castellanos para mejorar un suelo ácido, para la
siembra de trigo, con pH de 5, y requiriendo subir a pH 6.5, ¿cuántas toneladas de cal se
requieren aplicar a un suelo de 10 ha antes de sembrar trigo? La Da es de 1.2 g/cm 3 , la
profundidad de muestreo de 30 cm, la CIC es de 10 meq/100g.