Hartono, Badrul Ainy Dalimunthe, Fitra Syawal Harahap, Hilwa Walida. APPLICATION OF LIQUID UREA FERTILIZER TO LEAVES IN OPTIMIZING VEGETATIVE LEAF GROWTH IN PLANTS THAT HAVE NOT PRODUCED IN PTPN IV REGIONAL 1 RANTAU PRAPAT GARDEN. IJSET [Internet]. 2026 Mar. 18 [cited 2026 Apr. 2];5(4):2029-33. Available from: http://www.ijset.org/index.php/ijset/article/view/1737