Asrijal, A., Sapareng, S., Upe, A., Akmal, A. and Arzan AR, T.S. 2023. Testing of Plant Growth Regulator and Organic Fertilizers on Black Rice Plants. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering). 12, 2 (Jun. 2023), 484–494. DOI:https://doi.org/10.23960/jtep-l.v12i2.484-494.