Sukariawan, A. et al. 2015. THE EFFECT OF WATER TABLE DEEP TO TRUNK CIRCUMFERENCE RUBBER PB260 CLON AND SOIL CHEMISTRY OF PEAT SOIL IN MERANTI ESTATE RAPP OF RIAU. Jurnal Online Pertanian Tropik. 2, 1 (Apr. 2015), 1–5. DOI:https://doi.org/10.32734/jopt.v2i1.2869.