[1]
Utumi, M.M. et al. 1999. Macronutrient deficiencies in stevia: visual symptoms and effects on growth, chemical composition, and stevioside production. Pesquisa Agropecuaria Brasileira. 34, 6 (Jun. 1999), 1039–1043. DOI:https://doi.org/10.1590/S1678-3921.pab1999.v34.5285.