Lumbanraja, P. and Harahap, E.M. 2015. ENHANCING SOIL WATER HOLDING CAPACITY AND CATION EXCHANGE CAPACITY OF SANDY SOIL WITH APPLICATION OF MANURE ON SIMALINGKAR SOIL. Jurnal Online Pertanian Tropik. 2, 1 (Apr. 2015), 74-88. DOI:https://doi.org/10.32734/jopt.v2i1.2881.