Agri and Aquaculture

Agri and Aquaculture Experts

Richard N. Onwonga

Land Resource Management & Agricultural Technology
University of Nairobi


Dr. Richard N. Onwonga, PhD, is Kenyan citizen and holds a PhD in Natural resources and Life sciences (Dr. nat. techn) from the University of Natural Resources and Applied Life Sciences (BOKU), Vienna, M.Sc. in Soil Science, and B.Sc. in Agriculture Education & Extension from Egerton University.

Research Interest

Agriculture Education & Extension


  • l Ahmed, Onwonga RN, Mburu DM, Elhadi YA. 2013. Evaluation of types and factors influencing adoption of rainwater harvesting techniques in Yatta district, Kenya. International Journal of Education and Research. 1(6):1-14.

  • Onwonga, RN. 2013. Comparative Effects of Soil Amendments on Phosphorus Use and Agronomic Efficiencies of Two Maize Hybrids in Acidic Soils of Molo County, Kenya. 3(4):939-958.

  • Ndukhu, OH; Onwonga, RN; WRG; KJHHG;. 2013. Crop performance and soil nutrient dynamics under different cropping systems and organic inputs in central Kenya.

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