Aziz, M.A., Hazra, F., Salma, S. and Nursyamsi, D.N. 2017. Soil Chemical Characteristics of Organic and Conventional Agriculture. JOURNAL OF TROPICAL SOILS. 21, 1 (Jan. 2017), 19–25. DOI:https://doi.org/10.5400/jts.2016.v21i1.19-25.