(1)
de Oliveira, J. P.; de Carvalho, J. G.; Malavolta, E.; de Paula, M. B.; de Souza, M.; Guilherme, L. R. G. Foliar Diagnosis in Citrus. II. Effect of Cultivars and of Leaf Collecting Quadrants on Micronutrient Amounts. PAB 1994, 29 (4), 587-592. https://doi.org/10.1590/S1678-3921.pab1994.v29.4090.