Afandi, . and Yusnaini, Sri and Banuwa, Irwan Sukri and Dimas, Pranata Gama (2022) THE EFFECT OF HUMIC ACID APPLICATIOAN ON THE DISPERSION RATIO AND HOLDING CAPACITY OF GROUND WATER IN ULTISOL SOIL AT PT GREAT GIANT PINEAPPLE (GGP) LAMPUNG TENGAH. Jurnal Agrotek Tropika, 10 (2). pp. 269-277. ISSN 2337-4993