Place of Work
Department of Biology
Faculty of Mathematics and Sciences
Universitas Negeri Makassar
Jl. Daeng Tata Raya, Gedung Biologi Lantai 3, Makassar, Indonesia 90224
Mobile phone: +62 81354743230

Research focuses on understanding responsible organisms in the nitrogen and carbon cycles of soil systems - from cells to ecosystem processes.
Oslan Jumadi, St. Fatmah Hiola, Yusminah Hala, Jeanette Norton, and Kazuyuki Inubushi (2014). Influence of Azolla (Azolla microphylla Kaulf.) compost on biogenic gas production, inorganic nitrogen and growth of upland Kangkong (Ipomea aquatica Forsk.) on a silt loam soil. Soil Sci. Plant Nutri., Vol. 60:4.
Oslan Jumadi, Alimuddin Ali, Yusminah Hala, Abd. Muis, Kazuyuki Yagi and Kazuyuki Inubushi (2013). Effect of Controlled Water Level on CH4 and N2O Emissions from Rice Fields in Indonesia. Trop. Agr. Develop.Vol. 56, No. 4.
Oslan Jumadi and Kazuyuki Inubushi (2012) Methane and Nitrous Oxide Productions and Community Structure of Methanogenic Archaea in Paddy Soil of South Sulawesi, Indonesia. J.Micro Indonesia. Vol 6, 98-106.
Oslan Jumadi, Yusminah Hala, Iswandi Anas, Alimuddin Ali, Kazunori Sakamoto, Masahiko Saigusa, Kazuyuki Yagi and Kazuyuki Inubushi.(2008). Community structure of ammonia-oxidizing bacteria and their potential to produce nitrous oxide and carbon dioxide in acid tea soils. Geomicrobiology Journal. Vol.25: 381-389..
Abdul Hadi, Oslan Jumadi, Kazuyuki Inubushi, Kazuyuki Yagi. (2008) Mitigation option for N2O emission from a corn field in Kalimantan, Indonesia. Soil Sci. Plant Nutri., Vol.54: 644-649.
Oslan Jumadi, Yusminah Hala, Abd.Muis, Alimuddin Ali, Muhiddin Pallenari, Kazuyuki Yagi and Kazuyuki Inubushi.(2008). Influences of chemical fertilizers and nitrification inhibitor on greenhouse gas fluxes in a corn (Zea mays L.) field soil in Indonesia. Microbes and Environments. Vol 23: 29-34.
Oslan Jumadi, Yusminah Hala and Kazuyuki Inubushi. (2005). Emission and production of nitrous oxide and responsible microorganisms in upland acid soil in Indonesia. Soil Sci. Plant Nutri. Vol.51: 693-696.
Jayus, Oslan Jumadi, Barbara M.McDougall, Robert J.Seviour. (2005). Synthesis of extracellular (1-3) and (1-6)-β- glucanase activities in carbon limiting chemostat culture by fungus Acremonium sp. IMI.383068. Enzyme and Microbial Technology. Vol.36: 680-686.