“COMBINATION OF BIOCHAR AS AMELIORANT AND VERMICOMPOST IN INCREASING THE YIELD OF RED ONION (Allium Ascalonicum L.): KOMBINASI BIOCHAR SEBAGAI AMELIANT DAN VERMIKOMPOST DALAM MENINGKATKAN HASIL TANAMAN BAWANG MERAH (Allium Ascalonicum L.)”. ROCE : Jurnal Pertanian Terapan 2, no. 2 (August 1, 2025). Accessed October 12, 2025. https://jurnal.rocewisdomaceh.com/index.php/roce/article/view/118.