Arraudah, Rahayu, Heni Purnamawati, and Munif Ghulamahdi. “Effect of CaCO3, Humic Acid, and Arbuscular Mycorrhizal Applications on Soybean Growth in Ultisol of Sijunjung, West Sumatra”. Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) 52, no. 1 (May 27, 2024): 110-121. Accessed July 3, 2024. https://jai.ipb.ac.id/index.php/jurnalagronomi/article/view/53751.