Dr. Robert Nyambati

Resume photo

Dr. Robert Nyambati

E-mail : rnyambati@kefri.org
Researcher ID : 0000-0001-6741-5540
Designation : Principal Research Scientist
Expertise : Soil science

Journal Papers

  1. Kisinyo, P.O., Othieno, C.O., Gudu, S.O., Okalebo, J.R., Opala, P.A., Ngetich, W.K., Nyambati, R.O., Ouma, E.O., Agalo, J.J., Kebeney, S.J., Too, E.J., and Opile, W.R. (2013). Immediate and residual effects of lime and phosphorus fertilizer on soil acidity and maize production in western Kenya. Expl Agric 2013: 1-16
  2. Nyambati, R.O. and Opala, P.A. (2014). An agronomic and Economic Evaluation of Integrated use of Calliandra callothyrsus and Maize stover and Urea in Western Kenya. American Journal of Experimental Agriculture 4(1): 89-89
  3. Opala, P.A, Nyambati, R.O. and Kisinyo P.O. (2014). Response of maize to organic and inorganic sources of nutrient in acid soils of Kericho County, Kenya American Journal of Experimental Agricul ture: 4(6): 713-723, 2014.
  4. Nyambati, R.O. and Opala, P.A. (2014). The Effect of Minjingu Phosphate Rock and Triple Superphosphate on Soil Phosphorus Fractions and Maize Yield in Western Kenya. ISRN Soil Science Volume 2014, Article ID 920541, 8 pages
  5. Opala, P.A, Kisinyo P.O. and Nyambati, R.O. (2015). Effect of Tithonia diversifolia, farm yard manure and urea, and phosphate fertilizer application methods on maize yield in western Kenya. Journal of Agriculture and Rural Development in the Tropics and SubtropicsVol. 116 No. 1 (2015) 1–9.
  6. Jesse Owino, Fredrick Lomekuya, Jackline Kemboi, John Malala, Andrew Orina, Ikal Ang’elei, Moses Njeru, Alex Lukwendah, Robert Nyambati, Jared Amwatta, Joshua Cheboiwo, Gabriel M. Muturi and Ben Chikamai. Sustainable management of the natural vegetation cover and fish breeding grounds in the western shores of Lake Turkana. Academia Journal of Environmetal Science 8(6): 096-102, June 2020.
  7. Pauline Bala, Samson Okoth Ojunga, Joyce Okumu, Abdalla Kisiwa, David Langat, and Robert Nyambati, (2020). Tree-Based Conflict Management Mechanism among Small Landholders in Agroforestry Systems of Kenya. East African Journal of Forestry and Agroforestry, Volume 2, Issue 2, 2020
  8. Nyambati, R.O., Odhiambo, D.G, Serrem C.K., Othieno, C.O., Mairura, F.S (2020). Effects of Integrated Use of Calliandra calothyrsus and Maize Stover with Urea on Soil Mineral Nitrogen, Striga Infestation and Maize Yields in Western Kenya. Journal of Experimental Agriculture International. 42(1): 1-11.
  9. Nyambati, R.O., Odhiambo, D.G, Serrem C.K., Othieno, C.O., Mairura, F.S (2020). Effects of Integrated Use of Calliandra calothyrsus and Maize Stover with Urea on Maize Yield Components under Striga Infestation in Western Kenya. Universal Journal of Agricultural Research 8(5): 165-172.
  10. Nyambati, R.O., Odhiambo, D.G, Serrem C.K., Othieno, C.O. (2020). Economic Evaluation of Organic and Inorganic Sources of Nitrogen under Striga Infestation in Western Kenya. Journal of Experimental Agriculture International 42(9): 226-234.

Technical Notes /Protocols/Guidelines

  1. Nyambati R.O., and Hirao, S. (1991). Nursery manual for ASAls
  2. Nyambati, R.O., Ariho, A., Ainomugisha, A., and Werishet, A. (2013) Collective Marketing for Smallholder Farmers. Facilitator’s Manual.
  3. Nyambati, R. O. (2013) Striga: management options in Lake Victoria Basin
  4. Nyambati R. O. 2015 Soil fertility in Lake Victoria basin Opportunities and challenges
  5. Nyambati R. O. (2012) Propagation and management of Eucalyptus


  • 2019 to Date : Head Climate change, County Linkages at KEFRI
  • 2010-2016 : Regional Director, Lake Victoria Eco-region Research Programme
  • 2017-2018 : Regional Director, Rift Valley Eco-region Research Programme
  • 2001-2010 : Head of Agroforestry Systems/Trees on farm at the Maseno Regional Research Centre.
  • 1999-2000 : Extension Methods and Information Manager in the Social Forestry Extension Model Development Project (SOFEM)
  • 1994-1996 : Officer in-charge forestry extension in the Social Forestry Training Project (SFTP)
  • 1989-1993 : Officer in charge nursery/seed technology in the Social Forestry Training Project (SFTP)


  • 2010 - 2016 : Regional Director, Lake Victoria Ecoregion Research Programme
  • 2017- 2018 : Regional Director, Rift Valley Ecoregion Research Programme
  • 2019-to Date : Head Climate Change Division-KEFRI

Academic Qualification

Key Competencies

  1. 2006-2010 -PhD (D.Phil. Soil Science)-Moi University
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  3. 1996-1999- (M.Phil. Soil Science)-Moi University
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  5. 1986-1989 – (B.Sc. Forestry)-Moi University

Key Competencies

  1. Proposal writing skills
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  3. Resource Mobilization
  4. Soil Analysis Skills

Other Courses

  1. Data Management, Data Analysis and Presentation of Results, (KEFRI) (17th -23rd March 2005)
  2. Communication and Publishing, (TCC) (14th-18th Dec 2009
  3. Strategic Leadership and Change Management (KIM). 21st-25th Nov 2011, 19th -23rd March 2012
  4. Performance Management Training (Career Route), 24th-26th Nov 2014
  5. Senior Management Course (KSG), Strategic leadership (KIM), 27th Nov- 22nd December 2017