Sirait, B., Bondar, B., Simatupang, U., & Manurung, A. (2025). EFFECTS OF UREA AND ORGANIC FERTILIZER TREATMENTS ON OIL PALM (ELAEIS GUINEENSIS JACQ.) SEEDLING GROWTH IN THE PRE-NURSERY. Jurnal Darma Agung, 33(2), 44 – 56. doi:10.46930/ojsuda.v33i2.5680