Bioakumulasi Logam Timbal Dan Besi Pada Tanaman Kelakai (Stenochlaena Palustr…

Based on survey results in the last 7 years (2010 - 2017), oil palm plantations in the area of Pakning Origin, Bengkalis District has been fired with different frequencies. There is unburnt land, once burned and burned several times. In the peat soil is overgrown with various plants, one of them overgrown with kelakai (Stenochlaena palustris (Burm F) Bedd). Based on empirical studies, kelakai p…