“The Effect Of PGPR Biostimulant Concentration and Phosphorus Dosage on the Growth and Yield of Black Soybean (Glycine max (L.) Merril): Pengaruh Konsentrasi Biostimulan PGPR Dan Dosis Fosfor Terhadap Pertumbuhan Dan Hasil Tanaman Kedelai Hitam (Glycine Max (L.) Merril)”, nabatia, vol. 13, no. 2, pp. 137–148, Dec. 2025, doi: 10.21070/nabatia.v13i2.1667.