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Israel Ikoyi

Postdoctoral Researcher

Research Interests

I work in Soil & Environmental Microbiology as part of Fiona Brennan's team. My main interests areas are:

  • Soil and plant microbiomes
  • Plant-soil-microbe interactions
  • Microbial cycling of nutrients in agricultural systems
  • Soil nematodes and their ecosystem services

Current Projects

Microbiome Applications for Sustainable food systems through Technologies and EnteRprise (MASTER) project. MASTER aims to take a global approach to the development of concrete microbiome products, foods/feeds, services, or processes with high commercial potential. My research project focuses on the potential use of microbial inoculants as biofertilisers in grassland soils.


  • 2018      PhD in Soil Microbiology, University of Limerick, Ireland
  • 2013      MSc. in Nematology, Ghent University, Belgium and Wageningen                        University, the Netherlands
  • 2009     BSc. in Agricultural Science,Ahmadu Bello University, Nigeria

Professional Membership

  • Society for Applied Microbiology
  • Microbiology Society
  • European Society of Nematologists

Dr. Ikoyi has published many peer reviewed scientific papers. His publication list can be found on his ORCID and research gate accounts.

Israel's ORCID account

Israel's Research Gate account 

Graça, J., Daly, K., Bondi, G., Ikoyi, I., Crispie, F., Cabrera-Rubio, R., Cotter, P.D. and Schmalenberger, A. (2021) Drainage class and soil phosphorus availability shape microbial communities in Irish grasslands’, European Journal of Soil Biology, 103297. https://doi.org/10.1016/j.ejsobi.2021.103297

Ikoyi, I. and Schmalenberger, A. (2021) ‘Design and Construction of repacked soil columns for measuring solute transport, plant growth and soil biota’, Bio-protocol, e3884. https://doi.org/10.21769/BioProtoc.3884

Ikoyi, I., Egeter, B. Chaves, C., Ahmed, M., Fowler, A. and Schmalenberger, A. (2020) ‘Responses of soil microbiota and nematodes to application of organic and inorganic fertilizers in grassland columns', Biology and Fertility of Soils, 56: 647-662 https://doi.org/10.1007/s00374-020-01440-5

Ikoyi, I., Fowler, A., Storey, S., Doyle, E. and Schmalenberger, A. (2020) ‘Sulfate fertilization supports growth of ryegrass in soil columns but changes microbial community structures and reduces abundances of nematodes and arbuscular mycorrhiza', Science of The Total Environment, 135315. https://doi.org/10.1016/j.scitotenv.2019.135315

Deinert, L., Ikoyi, I. and Schmalenberger, A. (2020) ‘Assessment of Recycling-derived Fertilizers as an Alternative to Mineral Fertilizers – Effects on the Soil Microbiome’, Access Microbiology. https://doi.org/10.1099/acmi.ac2020.po0909

Ikoyi, I., Fowler, A. and Schmalenberger, A. (2018) 'One-time phosphate fertilizer application to grassland columns modifies the soil microbiota and limits its role in ecosystem services', Science of The Total Environment, 630, 849-858. https://doi.org/10.1016/j.scitotenv.2018.02.263

Fox, A., Ikoyi, I., Torres-Sallan, G., Lanigan, G., Schmalenberger, A., Wakelin, S. and Creamer, R. (2018) 'The influence of aggregate size fraction and horizon position on microbial community composition', Applied Soil Ecology, 127, 19-29. https://doi.org/10.1016/j.apsoil.2018.02.023

Fox, A., Ikoyi, I., Creamer, R., Lanigan, G. and Schmalenberger, A. (2017) 'Microbial community structure and function respond more strongly to temporal progression than to the application of slurry in an Irish grassland', Applied Soil Ecology, 120, 97-104. https://doi.org/10.1016/j.apsoil.2017.07.032

Fox, A., Gahan, J., Ikoyi, I., Kwapinski, W., O’Sullivan, O., Cotter, P.D. and Schmalenberger, A. (2016) 'Miscanthus biochar promotes growth of spring barley and shifts bacterial community structures including phosphorus and sulfur mobilizing bacteria', Pedobiologia, 59, 195-202. https://doi.org/10.1016/j.pedobi.2016.07.003

Subedi, R., Taupe, N., Ikoyi, I., Bertora, C., Zavattaro, L., Schmalenberger, A., Leahy, J. and Grignani, C. (2016) 'Chemically and biologically-mediated fertilizing value of manure-derived biochar', Science of The Total Environment, 550, 924-933. https://doi.org/10.1016/j.scitotenv.2016.01.160