AIDIL AMAR S. EFEKTIVITAS PEMBERIAN BAHAN AMELIORAN TERHADAP PERTUMBUHAN BIBIT KOPI ROBUSTA (Coffea canephora) THE EFFECTIVENESS OF ADDING AMELIORANT INGREDIENTS ON THE GROWTH OF ROBUSTA COFFEE SEEDLINGS (Coffea canephora). prostek. [Internet]. 2025 Dec. 30 [cited 2026 Apr. 16];7(2). Available from: https://jurnal.unsur.ac.id/index.php/pro-stek/article/view/5822