Analisis Kandungan Bahan Organik Tanah di Kebun PTPN IV Kebun Sei Putih Kabupaten Deli Serdang, Kecamatan Galang. j.ilmutanaman, j.tanaman, j.agronomi [Internet]. 2025 June 25 [cited 2026 Nov. 6];5(1):19-24. Available from: http://www.jurnal.faperta-unras.ac.id/index.php/pucuk/article/view/451