Sugiyanta. and SeptiantiO. 2019. Pupuk Hayati Bacillus sp. Meningkatkan Produktivitas Tanaman Karet (Hevea brasiliensis Muell Arg.). Buletin Agrohorti. 7, 1 (Jan. 2019), 76-83. DOI:https://doi.org/10.29244/agrob.v7i1.24421.