Radi, R., Adyatma, Y.N. and Hajad, M. 2022. Optimization of Fooder Sorghum (Sorghum Bicolor L. Moench) Growth in a Closed Hydroponic System Through Combination of Red and Blue LED Lighting. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering). 11, 2 (Jun. 2022), 314–324. DOI:https://doi.org/10.23960/jtep-l.v11i2.314-324.