“ Influence of Different Calcium Levels in Estilo Plants (Stylosanthes Guyanensis (Aubl.) Sw. Cv. Cook), Evaluated through Some Physiological Parameters ”. Scientia Agricola 50, no. 1 (May 1, 1993): 45–57. Accessed May 5, 2024. https://www.revistas.usp.br/sa/article/view/20089.