Title/Qualifications: Ph.D
Permanent Address:
P.O Box 5191-00200, Nairobi, Kenya.
Contact Address:
P.O Box 43844, Nairobi, Kenya
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
Position: Lecturer
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  • Kawaka, F, Dida, M., Opala, P., Ombori, O., Maingi, J., Amoding, A. and Muoma, J. (2018). Effect of nitrogen sources on the yield of common bean (Phaseolus vulgaris) in Western Kenya. Journal of Plant Nutrition, https://doi.org/10.1080/01904167.2018.1458870.Page 7 of 13

  • Koskey G., Mburu S.W., Njeru E.M., Kimiti J.M., Ombori M., Maingi J.M., (2017). Potential of Native Rhizobia in Enhancing Nitrogen Fixation and Yields of Climbing Beans (Phaseolus vulgaris L.) in Contrasting Environments of Eastern Kenya. Frontiers in Plant Science 8, 1-12.

  • Kago E.K, Kinyua Z.M., Maingi J.M. and Okemo P.O. (2017): Diversity of Ralstonia solanacerum Strains in Solanaceous Crops Production Regions of Central Kenya. Journal of Experimental Agriculture International 16(1): 1-12.

  • Wekesa C., Muoma J., Ombori O., Maingi J., Okun D., Juma K., Okoth P., Wamalwa E., Kollenberg M. and Mauti E. (2017): Genetic Characterization of Rhizosphere Bacteria that Inhabit Common Bean Nodules in Western Kenya Soils. Applied Microbiology: Open Access, 3: 128. doi:10.4172/2471-9315.1000128.

  • Nyamwaka I.S., Nyamache A.K. and Maingi J.M. (2017): Microfungi Associated with Sun Dried Rastrineobola argentea Sold in Gucha South District in Kenya. Microbiology Research Journal International 19(3): 1-8.

  • Mburu S.W., Koskey G, Kimiti J.M., Ombori M., Maingi J.M. and Njeru E.M. (2016), Agrobiodiversity conservation enhances food security in subsistence-based farming systems of Eastern Kenya; Agriculture and Food Security Journal 5 (19): 1-10.

  • E.W. Ouma, AM Asango, J Maingi, EM Njeru (2016): Elucidating the Potential of Native Rhizobial Isolates to Improve Biological Nitrogen Fixation and Growth of Common Bean and Soybean in Smallholder Farming Systems of Kenya. International Journal of Agronomy.

  • Naluyange V., Ochieno D.M.W, Wandahwa P., Odendo M., Maingi J.M., Amoding A., Ombori O., Mukaminega D. and Muoma J (2016): Belowground Influence of Rhizobium Inoculant and Water Hyacinth Composts on Yellow Bean Infested by Aphis fabae and Colletotrichum lindemuthianum under Field Conditions. Journal of Plant Studies 5 (2), 32-46.

  • Kamau E.W., Kariuki G. M and Maingi J. (2016): Effect of Trichoderma asperellum on growth of Rhizobium leguminosarum in vitro. Global Journal of Biology, Agriculture and Health Sciences, 5(1):43-48.

  • Moto J. N., Maingi J.M. and Nyamache A. K. (2015). Prevalence of Tinea capitis in school going children from Mathare, informal settlement in Nairobi, Kenya. BMC Research Notes 8: 274-279

  • P.N. Waithaka, J.M. Maingi, A.K. Nyamache (2014): Isolation of microorganisms and screening of heavy metals from Municipal Council’s treated sewage from Nakuru sewage treatment plant in Nakuru County, Kenya. Scientific Journal of Microbiology 3(12), 118-125.
  • Paul Njenga Waithaka, J. Maingi, A. K Nyamache (2014): Microbial contamination ofenvironmental, food and treated water samples in Nakuru North Sub-county, Kenya International Journal of Microbiology and Allied Sciences, 1(2):78-9
  • Paul Njenga Waithaka, John Muthini Maingi, A. K. Nyamache (2014): Physico-chemical and Salmonella isolates in community taps and river Kandutura in Nakuru North Sub-county, Kenya. International Journal of Microbiology and Epidemiological Research, 2(4), 29-37,
  • Kago E.K, Kinyua Z.M., Okemo P.O. and Maingi J.M. (2014): Effects of Cabbage Tissue and Calcium Hypochlorite on Soil Fertility and Yields of Selected Solanaceous Crops. Annual Research and Review in Biology, 4(3) 547-559.
  • Njeru, E.M., Maingi, J.M., Gitonga, N.M. and Cheruiyot, R. Symbiotic N2 Fixation in Promiscuous Soybeans (Glycine max L. Merr.) as Influenced by Phosphorus, Potassium and Sulphur Nutrition. Conference proceedings on 1st East African Regional Scientific Conference of Pure and Applied Sciences 10th-14th August, 2010 Kenyatta University, Nairobi Kenya.

Conference Presentations

  • 26th November – 27th November 2012: PACN Congress on Agricultural Productivity, Water and Waste. United Nations Conference Centre, Addis Ababa, Ethiopia.

  • 22nd October - 26th October 2012: 13th Biennial KARI Scientific Conference. KARI Headquarters, Katangat Road, Loresho, Nairobi.

  • 21st February 2011 to 25th February 2011: Attended Global Biological Resources Network Workshop at Methodist Guest House, Lavington, Nairobi.

  • 2nd May to 8th May 2010: SUCAPRI (Strengthening University Capacity for Promoting, facilitating and teaching Rural Innovation Processes) workshop on Moodle and Wiki held at AVU, Kenyatta University.

  • 14th March 2010 to 20th March 2010: Participated in a SUCAPRI (Strengthening University Capacity for Promoting, facilitating and teaching Rural Innovation Processes) Activity 3 University-based learning cycle workshop at Jomo Kenyatta University of Agriculture and Technology.

  • 26th January 2009 to 31st January 2009: Participated in a SUCAPRI (Strengthening University Capacity for Promoting, facilitating and teaching Rural Innovation Processes) Activity 2 University-based learning cycle workshop at Egerton University, Njoro.4th - 8th October, 2004: Attended a workshop on use of molecular techniques in identification and quantification of non-culturable bacteria. Organized by the Kenya Society of Microbiology and the Department of Biochemistry and Biotechnology, Kenyatta University and instructed by Prof. Jerry Johnson from Wyoming University, USA between