Sari SA, Nur TP, Amelia L, Gofar N. Integration of Biochar-Banana Stem Compost: An Agronomic-Economic Evaluation for Brazilian Spinach Cultivation on Peat Soil. agroteknika [Internet]. 2026Mar.31 [cited 2026Apr.16];9(1):14-8. Available from: https://www.agroteknika.id/index.php/agtk/article/view/618