Bueno, N.; Haag, H.; Pereira, J.; Viégas, I. Mineral Nutrition of Rubber Plants: XI. Aluminum Concentration in the Substract Affecting the Composition of N, P, K in Young Rubber Trees (Hevea sp.) . An. Esc. Super. Agr. Luiz de Queiroz 1989, 46 (1), 135-154. https://doi.org/10.1590/S0071-12761989000100010.