Khodijah, N.S. et al. 2024. Inorganic Nutrient Composition and Frequency of Ratoon on Kangkong (Ipomoea reptans Poir) in Pot Trial Using Ultisol Media for Urban Farming. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering). 13, 1 (Jan. 2024), 27–36. DOI:https://doi.org/10.23960/jtep-l.v13i1.27-36.