Leaf concentration of macronutrients in oil palm plants fertilized with phosphorus, potassium and magnesium in the Eastern Amazon. Bioscience Journal [online], 2022. [online], vol. 38, pp. e38080. [Accessed15 December 2025]. DOI 10.14393/BJ-v38n0a2022-61399. Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/61399.