SANKARAN, K. B. K. Effect of humic acid (potassium humate) on growth and yield of turmeric (Curcuma longa L.) in an alfisol. Journal of Spices and Aromatic Crops, [S. l.], v. 14, n. 1, p. 34–38, 2005. Disponível em: https://updatepublishing.com/journal/index.php/josac/article/view/4816. Acesso em: 4 may. 2024.