Khalida, Rahmi, and LontohAdolf Pieter. “Manajemen Pemupukan Kelapa Sawit (Elaeis Guineensis Jacq.), Studi Kasus Pada Kebun Sungai Sagu, Riau”. Buletin Agrohorti 7, no. 2 (May 17, 2019): 238-245. Accessed November 22, 2024. https://journal.ipb.ac.id/index.php/bulagron/article/view/25845.