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Dr. Onesmus K. Ng’etich Publications

Publication in Journals

  1. Musafiri, C. M., Kiboi, M., Macharia, J., Ng'etich, O. K., Okoti, M., Mulianga, B., ... & Ngetich, F. K. (2023). Use of inorganic fertilizer on climate-smart crops improves smallholder farmers' livelihoods: Evidence from Western Kenya. Social Sciences & Humanities Open, 8(1), 100537.
  2. Collins M. Musafiri, Joseph M. Macharia, Milka N. Kiboi, Onesmus K. Ng’etich, Chris A. Shisanya, Jeremiah M. Okeyo, Elizabeth A. Okwuosa &  Felix K. Ngetich (2021) Comparison between observed and DeNitrification-DeComposition model-based nitrous oxide fluxes and maize yields under selected soil fertility management technologies in Kenya. Plant and Soil Volume 463, pages 395–413 
  3. Franklin S.Mairura, Collins M.Musafiri, Milka N.Kiboi, Joseph M.Macharia, Onesmus K.Ng'etich, Chris A.ShisanyacJeremiah M.Okeyo, Daniel N.Mugendi, Elizabeth A.Okwuosa, Felix K.Ngetich (2021). Determinants of farmers' perceptions of climate variability, mitigation, and adaptation strategies in the central highlands of Kenya. Weather and Climate Extremes Vol 34, 
  4. Collins M.Musafiri, Joseph, M.Macharia, Onesmus K.Ng'etich, Milka N.Kiboi, Jeremiah Okeyo, Chris A.Shisanya, Elizabeth A.Okwuosa, Daniel N. Mugendi, Felix K.Ngetich (2020). Farming systems’ typologies analysis to inform agricultural greenhouse gas emissions potential from smallholder rain-fed farms in Kenya. Scientific African Vol (8,)
  5. Beatrice Nganga, K. Onesmus Ng'etich, M. Joseph Macharia, Milka Kiboi, Noah Adamtey, K. Felix Ngetich (2020).Multi-influencing-factors’ evaluation for organic-based soil fertility technologies out-scaling in Upper Tana Catchment in Kenya. Scientific African Volume 7
  6. Collins M. Musafiri, Joseph M. Macharia, Milka N.Kiboi, Onesmus K. Ng'etich, Chris A. Shisanya, Jeremiah M. Okeyo, Daniel N. Mugendi, Elizabeth A. Okwuosa, Felix K. Ngetich (2020). Soil greenhouse gas fluxes from maize cropping system under different soil fertility management technologies in Kenya. Agriculture, Ecosystems & Environment. Vol 301, 1 
  7. Ng’etich O.K., J.N. Aguyoh and J.O. Ogweno (2014). The effect of integrated application of farmyard manure and Calcium Ammonium Nitrate on growth and yield attributes of African nightshade (Solanum scabrum Mill.). Asian Journal of Agriculture and Food Science Vol., 02 (02), 158-165. Available online at .
  8. Ng’etich*O.K., O.I. Nyamangyoku J.J. Rono A.N. Niyokuri1 J.C. Izamuhaye (2013). Relative performance of Oyster Mushroom (Pleurotus florida) on agro-industrial and agricultural substrate. International Journal of Agronomy and Plant Production. Vol., 4 (1), 109-116. Available online at http://
  9. Ng’etich O.K. A.N. Niyokuri J.J. Rono and J.O. Ogweno (2013). Effect of Different Rates of Nitrogen fertilizer on the Growth and Yield of Summer Squash (Cucurbita pepo cv. Diamant L.) Hybrid F1 in Rwandan High Altitude Zone. International Journal of Agriculture and Crop Science, Vol., 5 (1), 54-62. Available online at http://
  10. Ng’etich O.K. J.N. Aguyoh and J. O. Ogweno (2012). Effects of composted farmyard manure on growth and yield of Spider plant (Cleome gynandra). International Journal of Science and Nature (IJSN). Vol. 3 [3] 514 - 520. Available online at
  11. Ng’etich O.K. J.N. Aguyoh and J. O. Ogweno (2012).  Growth, yield and physiological responses of spider plant (Cleome gynandra L.) to calcium ammonium nitrate rates. International Journal of Agronomy and Plant Production (IJAPP). Vol., 3 (9), 346-355. Available online at http:// 
  12. Rono J. F., Maniriho, O.  Ng’etich and B. Niyonsaba (2012). Effect of Organic Manures on Survival and Growth of Calliandra calothyrsus Seedlings in Gatsibo District, Rwanda. New York Science Journal; 5(11) 128 – 132. Available online at


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