Syam, Bambang Sulistio Hadi, Sahta Ginting, and Zulfikar Zulfikar. “Pemetaan Status Hara Phospor (P) Tersedia, PH Dan C-Organik Pada Lahan Kelapa Sawit Di Desa Lawonua Kecamatan Besulutu Kabupaten Konawe”. Agritechpedia 2, no. 01 (June 30, 2024): 37–47. Accessed July 12, 2025. https://journal.eduartpia.id/index.php/agritechpedia/article/view/76.