Test Effectiveness of Various Biofertilizer to Increase Soybean Productivity in Lowland Area: Uji Efektivitas Ragam Pupuk Hayati untuk Meningkatkan Produktivitas Kedelai di Lahan Lebak. agrosainstek [Internet]. 2020 Oct. 23 [cited 2025 Oct. 6];4(2):129-36. Available from: https://agrosainstek.ubb.ac.id/index.php/agrosainstek/article/view/133