Sirappa, M.P., Muhtar, M., Heryanto, R., Indrayana, K. and Husnah, N. 2021. Assessment of Three IAARD Maize Productivity In Tobadak District, Central Mamuju, Indonesia. JOURNAL OF TROPICAL SOILS. 26, 3 (Sep. 2021), 121–128. DOI:https://doi.org/10.5400/jts.2021.v26i3.121-128.