PEMANFAATAN HASIL NITRIFIKASI LIMBAH CAIR PERIKANAN SECARA BIOLOGIS SEBAGAI PUPUK NITROGEN PADA TANAMAN BAYAM (Amaranthus sp.): Utilization of Biologically Nitrificated Fishery Industrial Wastewater as Nitrogenous Fertilizer for Spinach Vegetable (Amaranthus sp.). AKU [Internet]. 2018 Sep. 14 [cited 2026 Apr. 13];4(1). Available from: https://journal.ubb.ac.id/index.php/akuatik/article/view/408