Aktivitas Fosfatase Dan Produksi Asam Organik Di Rhizosfer Dan Hifosfer Bibit Kelapa Sawit Bermikoriza *) Phosphatase Activity and Organic Acid Production in Rhizosphere and Hyphosphere of Mycorrhizal Oil Palm Seedling. MP 2016, 71 (2). https://doi.org/10.22302/iribb.jur.mp.v71i2.164.