Toshinori Nagaoka
Last Updated :2024/03/04
- Affiliations, Positions
- Graduate School of Integrated Sciences for Life, Associate Professor
- E-mail
- tnagaokhiroshima-u.ac.jp
- Self-introduction
- Aiming for sustainable plant production, I am conducting researches to analyze and utilize soil functions. Current researches are focused on analysis of the effects of application of organic matter such as compost on nutrient supply (especially phosphorus) to plants and on relating soil microorganisms.
Basic Information
Major Professional Backgrounds
- 1991, Hiroshima University, Faculty of Applied Biological Science, Research Associate
- 2002, Hiroshima University, Graduate School of Biosphere Science, Research Associate
- 2003, Hiroshima University, Graduate School of Biosphere Science, Associate Professor
- 2019, Hiroshima University, Graduate School of Integrated Sciences for Life, Associate Professor
Educational Backgrounds
- Hokkaido University, Graduate School, Division of Agriculture, Department of Agricultural Chemistry, Japan
- Hokkaido University, Faculty of Agriculture, Department of Agricultural Chemistry, Japan
Academic Degrees
- Doctor of Philosophy, HOKKAIDO UNIVERSITY
- Master of Agriculture, HOKKAIDO UNIVERSITY
Educational Activity
- [Bachelor Degree Program] School of Applied Biological Science : Department of Applied Biological Science : Applied Animal and Plant Science Program
- [Master's Program] Graduate School of Integrated Sciences for Life : Division of Integrated Sciences for Life : Program of Bioresource Science
- [Doctoral Program] Graduate School of Integrated Sciences for Life : Division of Integrated Sciences for Life : Program of Bioresource Science
In Charge of Primary Major Programs
- Applied Animal and Plant Science Program
Research Fields
- Agricultural sciences;Agricultural chemistry;Plant nutrition / Soil science
Research Keywords
- Soil
- Soil organic matter|
- Crop production
- Phosphorus
- Soil microorganisms
Affiliated Academic Societies
- Japanease Society of Soil Science and Plant Nutrition, 1991
- Japanease Society of Soil Microbiology, 2002
- Japanease Society of Grassland Science, 1991
Educational Activity
Course in Charge
- 2023, Liberal Arts Education Program1, 1Term, Introduction to Applied Biological Sciences toward SDGs
- 2023, Undergraduate Education, 1Term, Introduction to Applied Biological Sciences
- 2023, Undergraduate Education, Intensive, Laboratory Work in General Chemistry
- 2023, Undergraduate Education, 2Term, Introduction to Microbiology
- 2023, Undergraduate Education, 4Term, Agricultural Soil Science
- 2023, Undergraduate Education, 3Term, Introduction to Applied Animal and Plant Science
- 2023, Undergraduate Education, Intensive, Laboratory and Field Works in Applied Animal and Plant Science
- 2023, Undergraduate Education, 2Term, Reading of Foreign Literature in Applied Animal and Plant Schience
- 2023, Undergraduate Education, Second Semester, Graduation Thesis I
- 2023, Undergraduate Education, First Semester, Graduation Thesis II
- 2023, Undergraduate Education, Second Semester, Graduation Thesis III
- 2023, Undergraduate Education, Second Semester, Plant Pathology
- 2023, Undergraduate Education, Intensive, (AIMS) Physiology of Field Crop Production
- 2023, Undergraduate Education, 3Term, Physiology of Field Crop Production
- 2023, Graduate Education (Master's Program) , 1Term, Exercises in Bioresource Science A
- 2023, Graduate Education (Master's Program) , 2Term, Exercises in Bioresource Science A
- 2023, Graduate Education (Master's Program) , 3Term, Exercises in Bioresource ScienceB
- 2023, Graduate Education (Master's Program) , 4Term, Exercises in Bioresource ScienceB
- 2023, Graduate Education (Master's Program) , Academic Year, Research for Academic Degree Dissertation in Bioresource Science
- 2023, Graduate Education (Master's Program) , 1Term, Plant Production Science I
- 2023, Graduate Education (Master's Program) , 3Term, Plant Production Science II
Research Activities
Academic Papers
- Lycopersiconolide, a steroid lactone from tomato roots., Phytochemistry, 26(7), 2113-2114, 198707
- Fungitoxic compounds from the roots of the eggplant stock., Annals of the Phytopathological Society of Japan, 54(4), 453-459, 198810
- Lycopersiconol, a pregnane derivative from tomato stock roots., Phytochemistry, 27(12), 3982-3984, 198812
- Angiotensin I converting enzyme inhibitory peptides generated from sardine muscle by food industry., J. Jpn. Soc. Food Sci. Technol., 39(8), 678-683, 199208
- Digestion of peptides from sardine muscle that inhibit angiotensin I converting enzyme by intestinal enzymes of pigs., J. Agric. Chem. Soc. Jpn., 66(11), 1645-1647, 199211
- Identification and biological activity of germination-inhibiting long-chain fatty acids in animal-waste composts., Plant and Cell Physiology, 34(4), 605-612, 199304
- Steroidal alkaloids from roots of tomato stock., Phytochemistry, 34(4), 1153-1157, 199311
- Fungitoxic compounds from the roots of tomato stock., Annals of the Phytopathological Society of Japan, 61(2), 103-108, 199504
- Selective inhibitors of germination of legume seeds in activated sludge compost., Plant Growth Regulation, 20(3), 295-302, 199612
- Effect of salinity on seed germination and seedling growth of the species collected from the saline areas of Ilan., Plant Nutrition - for Sustainable Food Production and Environment= Kluwer Academic Publishers, 417-418, 199707
- Effects of organic-acid treatment of phosphate rocks on the phosphorus availability to Italian ryegrass., Plant Nutrition - for Sustainable Food Production and Environment= Kluwer Academic Publishers, 619-624, 199707
- Effects of different plant species on soil microbial biomass carbon in a grassland soil., Plant Nutrition - for Sustainable Food Production and Environment= Kluwer Academic Publishers, 769-770, 199707
- Effects of organic acid-treated phosphate rocks on the phosphorus availability to Italian ryeglass., Soil Science and Plant Nutrition, 43(Special Issue), 1067-1072, 1997
- Relative importance of protons and solution calcium concentration in phosphate rock dissolution by organic acids., Soil Science and Plant Nutrition, 44(4), 617-625, 199812
- Residual effects of organic acid-treated phosphate rocks on some soil properties and phosphate availability., Soil Science and Plant Nutrition, 44(4), 627-634, 199812
- Microbial biomass, S mineralization and S uptake by African millet from soil amended with various composts, Soil Biology & Biochemistry, 32(6), 845-852, 200006
- Sesquiterpenoids from the roots of Solanum aethiopicum, Zeitschrift fur Naturforschung C, 56(3/4), 181-187, 2001
- Sesquiterpenoids in root exudates of Solanum aethiopicum, Zeitschrift fur Naturforschung C, 56(9/10), 707-713, 2001
- Nutrient requirements (N, P, S) of microbial biomass formation in a regosol of Japan., Food security and sustainability of agro-ecosystems through basic and applied research= Kluwer Academic Publishers, 622-623, 200107
- Degradation of chlorinated aromatic acids from sludge compost in soils., Food security and sustainability of agro-ecosystems through basic and applied research= Kluwer Academic Publishers, 848-849, 200107
- Generation of chlorinated aromatic acids during sludge-composting and their fate in soils, Soil Science and Plant Nutrition, 47(3), 443-453, 200109
- Antifungal activity of oosporein from an antagonistic fungus against Phytophthora infestans, Zeitschrift fur Naturforschung C, 59(3/4), 302-304, 2004
- Relationships between microbial biomass nitrogen, nitrate leaching and nitrogen uptake by corn in a compost and chemical fertilizer-amended regosol, Soil Science and Plant Nutrition, 52(2), 186-194, 200604
- Nitrate leaching in granitic regosol as affected by N uptake and transpiration by corn, Soil Science and Plant Nutrition, 53(3), 300-309, 200706
- Compost amendment enhances the biological properties of Andosols and improves phosphorus utilization from added rock phosphate, Soil Science and Plant Nutrition, 56(4), 607-616, 201008
- Compost amendment enhances population and composition of phosphate solubilizing bacteria and improves phosphorus availability in granitic regosols, Soil Science and Plant Nutrition, 57(4), 529-540, 201108
- Evaluation of Cellulolytic and Hemicellulolytic Abilities of Fungi Isolated from Coffee Residue and Sawdust Composts, Microbes and Environments, 26(3), 220-227, 20110901
- Isolation and Characterization of Cellulose-decomposing Bacteria Inhabiting Sawdust and Coffee Residue Composts, Microbes and Environments, 27(3), 226-233, 20120906
- Phytate Degradation by Fungi and Bacteria that Inhabit Sawdust and Coffee Residue Composts, Microbes and Environments, 28(1), 71-80, 20130312
- Comparative physiological analysis of salinity tolerance in rice, Soil Science and Plant Nutrition, 59(6), 896-903, 20131201
- Effect of Salt Stress on Na Accumulation, Antioxidant Enzyme Activities and Activity of Cell Wall Peroxidase of Huckleberry (Solanum scabrum) and Eggplant (Solanum melongena), INTERNATIONAL JOURNAL OF AGRICULTURE AND BIOLOGY, 17(6), 1149-1156, 201512
- Cloning and gene expression analysis of ascorbic acid biosynthesis enzymes in Moringa oleifera, African Journal of Agricultural Research, 10(22), 2274-2285, 20150528
- Effects of drought stress on growth, solute accumulation and membrane stability of leafy vegetable, huckleberry (Solanum scabrum Mill.), Journal of Environmental Biology, 37(1), 107-114, 201601
- Na+ Retention in the Root is a Key Adaptive Mechanism to Low and High Salinity in the Glycophyte, Talinum paniculatum (Jacq.) Gaertn. (Portulacaceae), JOURNAL OF AGRONOMY AND CROP SCIENCE, 203(1), 56-67, 2017
- Characterization of type 3 metallothionein-like gene (OsMT-3a) from rice, revealed its ability to confer tolerance to salinity and heavy metal stresses, ENVIRONMENTAL AND EXPERIMENTAL BOTANY, 147, 157-166, 201803
- Effects of varying proportions of crushed rice with hull in total mixed ration silage on feed intake, nutrient digestibility, feed particle passage rates, and nitrogen balance in Japanese Black cattle, 89(4), 423-430, 201811
- A comparative study of the growth and physiological parameters of two oat (Avena sativaL.) lines under salinity stress, SOIL SCIENCE AND PLANT NUTRITION, 66(6), 847-853, 20201101