Faculty of Environmental Science and Technology, Okayama University

Morihiro Maeda

Location Environmental Science and Tecnology BLD., Room 501
Email mun◎cc.okayama-u.ac.jp
Grad-school
Graduate School of Environmental and Life Science, Okayama University
Division of Social Engineering and Environmental Management
Soil Management Laboratory
Undergraduate
Faculty of Environmental Science and Tecnology
Department of Environmental Management Engineering
Soil Management Laboratory

Major Professional Activities

1999-2010 Editor, Journal of Groundwater Hydrology
2002-2006 Research fellow at National Institute of Radiological Sciences
2004-2015 Vice chief of Environmental Section, Japanese Society of Soil Science and Plant Nutrition
2007-2011 Editor, Soil Science and Plant Nutrition
2015-2018 Chief of Environmental Section, Japanese Society of Soil Science and Plant Nutrition
2015-2018 Editor, Soil Science and Plant Nutrition
2016-2019 Associate Editor-in-chief, Hydrological Research Letters
2016-2020 Chief/sub-coordinator of a bilateral Master’s program between Okayama and Hue Universities
2018- Division chair (Soil and the Environment), International Union of Soil Science
2019-2020 Editor, Japanese Journal of Soil Science and Plant Nutrition

Education and Work Experience

1991　Kyoto University, Faculty of Engineering
1993　Kyoto University, Gradschool of Engineering, Sanitary Engineering
2002　Doctor of Engineeing, Kyoto University, A study on prevention of groundwater contamination by nitrate in arable land

1993　Ministry of Agricluture, Forestry and Fisheries, National Institure of Vegetable and Tea Science
1993　Ministry of Agricluture, Forestry and Fisheries, National Agriculture Research Center, Department of Soil Science and Fertilizer
2001　National Agriculture and Food Research Organization, National Agricultural Research Center
2008　Okayama University, Graduate School of Environmental Science
2012　Okayama University, Environmetal Management Center
2014　Okayama University, Graduate School of Environmental and Life Science
Present

Teaching Courses

1. Undergraduate Courses: Introductory Soil Science, Soil Quality and Management, Applied Mathematics Experimental Course of Environmental Soil Science
2. Master Courses: Soil Use and Management, Water and Nutrient Cycling
3. Doctor Courses: Soil Functions
4. International Courses: Chemistry for Environmental Sustainability in Okayama-Hue International Master’s Program in Sustainability of Rural and Environmental Systems

Reseach Expertise

1. Organic waste management in soil for reducing environmental impacts in agricultural land
2. Greenhouse gases (N₂O and CO₂) emissions from agricultural soil
3. Monitoring and modeling of nitrogen leaching in upland fields
4. Improvement of soil and water quality using recycled materials (biochar, manure ash, etc.)
5. Groundwater pollution in Central Vietnam

Recent Major Publications

1. Rusydi, A.F.; Onodera, S.-I.; Saito, M.; Hyodo, F.; Maeda, M.; Sugianti, K.; Wibawa, S.:Potential Sources of Ammonium-Nitrogen in the Coastal Groundwater Determined from a Combined Analysis of Nitrogen Isotope, Biological and Geological Parameters, and Land Use, Water, 13 (1), 25 (2021)
2. Wakai, N., Maeda, M., T., Ono, Hanafusa, T., Yamashita, J., and Saito, K.: Radiocesium concentration in stems, leaves, and panicles of rice grown in a sandy soil replacement paddy field treated with different rates of cattle manure compost in Kawamata, Fukushima, Journal of Environmental Science for Sustainable Society, 9, 1-10 (2019)
3. Hoang, V.N.T. and Maeda, M: Interactive effects of ammonium application rates and temperature on nitrous oxide emission from tropical agricultural soil, Soil Science and Plant Nutrition, 64(6), 767-773
4. Hayami Y., M. Maeda: Effects of nitrate content and moisture in nutrient accumulated soil on eggplant (Solanum. melongena L.) growth and nutrient uptake, Japanese Journal of Soil Science and Plan Nutrition, 89 (3), 204-212 (2018)
5. Tran, Q.T., Maeda, M., Oshita, K., Takaoka, M and Saito, K.: Phosphorus and potassium availability from cattle manure ash in relation to their extractability and grass tetany hazard, Soil Science and Plant Nutrition, 369-376 (2018)
6. Nguyen V. H., M. Maeda: Effects of pH and oxygen on phosphorus release from agricultural drainage ditch sediment in reclaimed land, Kasaoka Bay, Japan, Journal of Water and Environment Technology, accepted, 2016
7. Ha, T.T. K., M. Maeda, T. Fujiwara, H. Nagare, S. Akao: Effects of soil type and nitrate concentration on denitrification products (N2O and N2) under flooded conditions in laboratory microcosms, Soil Science and Plant Nutrition, 61 (6), 999-1004 (2015)
8. Maeda, M., Kayano, E., Fujiwara, T., Nagare, H. and Akao S.: Nitrous oxide emissions during biological soil disinfestation with different organic matter and plastic mulch films in laboratory-scale tests, Environmental Technology, 37(4), 432-438 (2015)