• B.Sc (Agriculture), University of Nairobi, 1990
• M.Sc (Agronomy), University of Nairobi, 1996
• P.hD (Ben Gurion University), 2001

PATENTS:

1. KIPI (2022). Title: Fish Scale hangings decorations.
2. KIPI (2025): Title: Inducing rhizome growth in Arrowroot (Colocasia esculenta (L.) Schott) by overriding apical dominance

• Athens Institute of Education and Research (ATINER)
• ICFAE - Reviewer
• American Society of Agricultural Engineers
• African Crop Science Society (ACSS)
• Institute of Directors (K)

72 journals, 3 book chapters

1. T. Akuja, Y. Avni and E. Zaady (2001). Soil Erosion and Other Factors as Indicators of Desertification Processes in an Agro-Ecosystem in the Northern Negev Desert. In Proceedings of a Symposium “Soil Erosion Research for the 21st Century” organized by the American Society of Agricultural Engineers, January 2-6, at Ala Moana Hotel, Honolulu, Hawaii, USA.
2. T. Akuja, K.G. Godonu, T. Kraaij, M. Mwangi, I. Oguzoglu, E. Zaady. (2002). Comparison of soil characteristics between crusted outside and subcanopy areas of four dominant shrubs in the Negev Highlands, International Journal of Agriculture and Rural Development, 2002, 3: 162-169
3. Akuja, T.E., Akundabweni, L.S. and Chweya, J.A. (2003). Effect of intercropping finger millet (Eleusine coracana L.) with two indigenous edible legumes at different nitrogen levels in Kabete and Njoro, Kenya, 2003. East African Journal of Rural Development, 9: 81-89.
4. Akuja, T.E., Zaady, E., Avni, Y. and Gutterman, Y.(2003). Effects of soil erosion on salinity, erosion and biodiversity. Greening the Brown “Progress and Prospects”,(Eds. E.M. Njoka, M. Kinyua & R. Mwangi), pp. 121-133.
5. Akuja, T.E. (2004). Long-term effect of intensive irrigated agriculture on dryland soil quality within the vicinity of Thymelea hirsuta shrubs in the Negev Highlands, Egerton Journal of Science & Technology, 5(1): 1-5.
6. Akuja, T.E. and Zaady, E. (2005). Effect of soil erosion on the biodiversity of soil crust within the Ziporim basin of Israel, 2004, International Journal of Agriculture and Rural Development, 5: 1-5.
7. Akuja, T.E., Zaady, E., Gutterman, Y and Ward, D. (2005). Effects of soil erosion and land use on soil quality in the semi-arid Negev Desert of Israel, 2005, East African Journal of Life Sciences 5(2): 67-74.
8. Ashiono, G.B., Gatwiku, S., Mwangi, P. and Akuja, T.E. (2005). Effect of Nitrogen and Phosphorus Application on Growth and Yield of Dual-Purpose Sorghum (Sorghum bicolor (L) Moench), E1291, in the Dry Highlands of Kenya, 2005, Asian Journal of Plant Sciences, 4(4): 379-382.
9. Ashiono, G.B., Kitilit, J.K., K.R.G. Irungu, T.E. Akuja and Changwony, K. (2005). Nutrient Characteristics of Six Sorghum (Sorghum bicolour (L) Moench) Genotypes Across Different Ecozones, Journal of Agronomy, 4(4): 273-276.
10. Ashiono, G.B., Ouda, J.O., Akuja, T.E., Kitilit, J.K., Irungu, K.R.G. and S. Gatwiku (2006). Effect of potato vines and sorghum silage on cattle milk productivity, 2006, Asian Journal of Plant Sciences, 5(1): 81-84.
11. 11. Ebei, P.A., Gufu, O. and Akuja, T.E. (2008). Re-evaluation of long-term trends of drought early warning pastoral production indicators in Turkana District, Kenya 1987-2004, 2008, Droughts: Effects, Causes and Predictions (Ed. J. M. Sanchez), Chapter 3:103-138.
12. Mwangi, H.G., Akuja, T.E., Kamwaga, J.N., Njuguna, M.N. and Nafuma, L.S. (2008). Soil Profile Based Tillage Practices for Wheat Production in the Central Rift Valley area of Kenya, Journal of Applied Biosciences, Vol. 11: 570-575.
13. Kamithi, D.K., Kibe, A.M. and Akuja, T.E. (2009). Effects of nitrogen fertilizer application and plant population density on growth, yield and harvest index (HI) of Chickpea (Cicer arietinum L.) under dryland conditions, Kenya, Journal of Applied Bioscieces, Vol. 22: 1359-1367.
14. Akuja, T.E., Mutua, B.M., Guliye, A.Y., Gichaba, C.M. Ngigi, M.W. Karachi, M. and Abdulrazak, S.A. (2009). Trends and Current Status of Indigenous Knowledge among the Inhabitants of the Turkwel Riverine, Turkana District, Kenya, Indilinga (African Journal of Indigenous Knowledge System), Vol. 8(2):209-217.
15. Njuguna M. N, Munene M, Mwangi H.G, Waweru J.K and Akuja T.E. (2010). Effect of seeding rate and nitrogen fertilizer on wheat grain yield in marginal areas of eastern Kenya, Journal of Animal and Plant Sciences, Vol 7 (3): 834–840.
16. Akuja T.E., Ngigi M.W., Gichaba C.M., Guliye A.Y., Mutua B.M., Abdulrazak S.A. and Karachi M. (2010). Optimization of Turkwel river water resources for improved sustainable livelihoods: A socio-economic approach, Journal of Applied Bioscieces, 35:2310-2324
17. Achonga, B.O., Lagat, J.K. and Akuja, T.E (2011). Evaluation of the diversity of crop and livestock enterprises among agro-biodiversity farmer field schools (ABD-FFS) and Non-ABD-FFS households in Bondo District, Kenya Journal of Applied Biosciences, 38: 2496 – 2507.
18. Akuja, T.E. (2011). Agrobiodiversity Conservation and Sustainable Use for Enhanced Food Security, a Teaching Manual (EdS. Mungai, N.W.). Tonaz Limited Publishers. Nairobi. Book Chapter/Module 2: 7-16.
19. Njuguna M.N., Macharia M., Akuja T.E. and Kamwaga, J.N. (2011). Effect of Foliar Fertilization on Wheat (Triticum aestivum (L)) in Marginal Areas of Eastern Province, Kenya, Journal of Plant and Animal Sciences, 9: 1161- 1182.
20. Achonga, B.O., Akuja, T.E and Lagat, J.K. (2011).The impact of crop and livestock enterprise diversity on household food security and farm income among agro-biodiversity farmer field schools (ABD-FFS) and non- agro-biodiversity field schools (Non-ABD-FFS) households in Bondo District, Kenya, Journal of Applied Bioscinces, 38: 2496 – 2507.
21. Achonga, B.O., Akuja, T.E and Lagat, J.K. (2011). The Determination Of Optimum Farm Enterprise Mix For Agro-Biodiversity Farmer Field School Households in Bondo District, Kenya. In proceedingds of Afrcican Crop Science Conference, Maputo, Mozambique, October, 10-13.
22. Akuja, T. (2012). Book Title (2013): Desertification and Agro-ecosystems. Lambert Academic Publishing. ISBN: 978-3-8473-1624. Pp.117.
23. Ouma, J.P. and Akuja, T.E, (2013). Agronomic and Morphological Performance of Sorghum Collections for the Dry Highlands of Kenya, Journal of Applied Biosciences, Vol 63: 4720 – 4726.
24. Kimatu, J.N., Josphert N. Kimatu1,WincasterM. Mutuli1, Jane W. Mbiri1, BenardMweu, Nahashon Musimba, Thomas Akuja, Simon Nguluu (2015). The dynamics of physical properties, seed moisture content, market economics and post harvest management of six bean varieties (Phaseolus vulgaris) grown in the sub Saharan region in Africa, Journal of Advances in Agriculture, Vol.3, no.1.
25. Nguluu, S.N., Karanja, J. , Kimatu J.N, , Gicheru, P.T., Musimba, N. , Njiru, E. , Kathuli, P., Nzioki, H., Akuja, T.., Muli, B.K., Nzombe, N.N. (2015). Refining Dryland Farming Systems as a Means of Enhancing Agrodiversity and Food Security in Eastern Kenya, Journal of Advances in Agriculture, Vol.3, no.1.
26. Mulinge W. K., Kimiti J. M., Muasya R.M. and Akuja T.E (2015). Grafted Mangoes Enhances Smallholder Farmers Livelihoods in Matinyani Division, Kitui County, Journal of Biology, Agriculture and Healthcare, Vol.5, No.16.
27. Mkandawire , F.L., Akuja, T.E., Njoka, E.M. and Obura, R.K. (2015). Effect of Planting Systems on the Growth and Yield of Bambara Nut (Vigna Subterranean l. Verdic) Intercropped with Maize (Zea Mays l.)", In Proceedings of 8th Annual International Symposium on Agriculture, 13-16 July, Athens, Greece.
28. Mkandawire, F.L. R. K. Obura, E. M. Njoka, & T. E. Akuja (2015). Effect of Planting Systems on the Growth and Yield of Bambaranut (Vigna subterranean L. Verdic) Intercropped with Maize. In proceedings of Baraton international interdisciplinary research conference & exhibition14th to 16th April 2015, Baraton community research center University of Eastern Africa, Baraton, Kenya.
29. Achonga, B.O., Akuja, T.E, Lagat, J.K. and Kimatu, J.N. (2015). Implications of Crop and Livestock Enterprise Diversity on Household Food Security and Farm Incomes in the sub-saharan Africa. The Journal of Agriculture and Health Sciences, Vol (4(2): 125-129.
30. Akuja, T., Mkandawire, F. L., Njoka, E. M. and Obura, R. K. (2016). "Effect of Planting Systems on the Growth and Yield of Bambara Nut (Vigna Subterranean l. Verdic) Intercropped with Maize (Zea Mays l.)", Athens: ATINER'S Conference Paper Series, No: AGR2015-1899.
31. Mutuku, M.M., Nguluu, S.N., Akuja, T.E. and Bernard P. (2016). Factors Affecting Adoption of Soil and Water Management Practices in Machakos County, Kenya. In Proceedings of the 2nd International Conference on Food and Agricultural Engineering, held on 11-13, May, 2016, Copenhagen, Denmark.
32. Wambua, R.M. and Akuja, T.E. (2016). Assessment of Water and Soil Management Approaches for Small-Scale Dry Land Farming in Kitui and Makueni Counties, Kenya, International Journal of Agricultural Research and Review, Vol 4(3): 504-513.
33. Mutuku, M.M., Nguluu, S.N., Akuja, T.E. and Bernard P. (2016). Factors Affecting Adoption of Soil and Water Management Practices in Machakos County, Kenya. Journal of Advanced Agriculture Technologies, Vol. 3(4):292-295.
34. Benard M. Mweu, Thomas E. Akuja and Mary W. Mburu (2016). Performance of six pearl millet (Pennisetum Glaucum (L.)R.Br) varieties in the semi – arid Kitui County of Kenya, International Journal of Agricultural Research and Review: ISSN-2360-7971, Vol. 4(3): pp 514-521.
35. Benard M. Mweu, Thomas E. Akuja and Mary W. Mburu (2016). Yield components of six pearl millet (Pennisetum Glaucum (L.)R.Br) varieties in the arid South Eastern part of Kenya, International Journal of Soil and Crop Science, Vol. 4(3): pp 098-107.
36. Benard M. Mweu, Thomas E. Akuja and Mary W. Mburu (2016). Effect of environmental conditions on plant height and harvest index of Pearl Millet varieties in Kenya. International Journal of Soil and Crop Science, Vol. 4(4): pp 108-116.
37. Mkandawire1, F. L., Obura, R. K., Njoka, E. M., and Akuja, T. E. (2016). Productivity Indices of Bambranut as Determined by Intra-row Spacing when Intercropped with Maize. Direct Research Journals, 4(7): 144-154.
38. M. Mutua-Mutuku, S.N. Nguluu, T. Akuja, M. Lutta, P. Bernard (2017). Factors that influence adoption of integrated soil fertility and water management practices by smallholder farmers in the semi-arid areas of Eastern Kenya, Tropical and Subtropical Agroecosystems, 20 (2017): 141 – 153.
39. Akuja, T.E., Mweu, B.M. and M.W. Mburu (2017). Factors affecting smallholder farmers' adoption of integrated soil fertility and water management practices in Machakos County. Poster on InterDrought-V. In the proceedings of a conference held at the Hyderabad International Convention Center (HICC), Novotel Hotel, Hyderabad, India.
40. Orek, CO, Maluki, M, Mweu, B, Kisamuli, S and Akuja, TE (2018). Rhizobial specificity and nodulation in legumes under drought conditions in the semi-arid county of Kitui in lower Eastern Kenya. In Proceedings of a combined African crop science conference, “sustainable agricultural systems for food security in frica” to be held at Bridgeways Conference Venue, StellenBosch, Cape Town, South Africa.
41. Mwami,B.M Nguluu, S.N. Jacinta M. Kimiti, J.M. Akuja, T.E. Muli, B.K, Karanja, D.R. Mugisha, C. M., Waswa, B. (2018). Effects of Foliar Fertilizer Application Rates on the Productivity of Selected Bean Varieties in Semi-Arid lands in South Eastern Kenya, Tropical and Subtropical Agroecosystems (Submitted).
42. Ndolo, M., Akuja, TE, Kilungo, J. and Kimeu, E.N. (2018). Assessment of the level of awareness of food security among the small scale farmers: A case study of Mwala Sub County, Machakos County, Kenya, Research Journal of Agriculture, V0l.5 (4): 1-14
43. Gatitu, H and Akuja, TE. (2018). The comparison between NPK 15:15:15: fertilizer and poultry manure on the growth parameter of maize, a case study in Kitui county, Journal of Agronomy.
44. Gesacho, D.N. and Akuja, TE (2018). The Relationship between Moisture Content, Morphological Characteristics, and Germination Rate Amongst Selected Dry Bean Varieties in the South Eastern Kenya Region, Journal of Tropical Plant Sciences.
45. Njihia, C.W., Akuja, TE and Kuria, BK (2018). Contribution of organic farming towards food security and ncome increment to farmers in ASAL regions, Journal of Applied Biosciences (Submitted).
46. Kamau, P., Akuja TE and Mweu, BM (2018). Causes post-harvest losses on tomato production in Laikipia county, Asian Journal of Agronomy (Submitted)
47. Hodbod, J., Edward G., Stevenson, J., Akall, G. and Akuja, T. (2018). Social-Ecological Change in the Omo-Turkana Basin: A Synthesis of Current Developments, Ambio.
48. Mwami,B.M Nguluu, S.N. Jacinta M. Kimiti, J.M. Akuja, T.E. and Muli, B.K, (2018).Effects of biofortified fertilizer application rates on productivity of selected bean varieties under field conditions in semi-arid south eastern kenya, International Journal of Agriculture, Environment and Bioresearch, Vol. 3, No. 03
49. Maluki, M. Orek, C and Akuja, T. (2019). Evaluation and selection of different legumes species based on morphological and nodulation differences under water deficient conditions of lower eastern Kenya, International Journal of Current Research, Vol.(11), 4: 3206-3214
50. Akuja, T. and Kandagor, J. (2019). A review of policies and agricultural productivity in the Asals, Kenya. In Proceedings of the 13th Multi-Disciplanary International Conference: Transformational leadership, Innovation and Technology Transfer for Sustainable Development in Developing Countries, held at MMUST, Kakamega , Kenya, June 19-21.
51. Etabo, M.E., Korir, N.N., Gweyi, J.P.O. and Akuja, T.E. (2019). Growth response of two Nerica rice (Oryza sativa L.) varieties on irrigation scheduling in Mwea irrigation scheme, Kenya, The Journal of the Society of Tropical Research, 6(2): 183–191
52. Akuja, T. and Kandagor, J. (2019). A review of policies and agricultural productivity in the Arid and Semi –Arid (ASAL) of Kenya: the case study of Turkana County, Journal of Applied Biosciences, 140: 14304-14315
53. Etabo, M.E. and Akuja, T.E. (2019). Differential Response of Nerica Yield to Irrigation regimes in Mwea irrigation scheme, Kenya.In Proceedings of THE 5th DeKUT International Conference onScience, Technology, Innovation and Entrpreneurship, 13th – 15th November, 2019, Dedan Kimathi University of Technology, Main Campus, Nyeri, Kenya
54. D. N. Komu, T.E. Akuja and J. N. Kimatu (2022). Productivity Screening of Common Bean (Phaseolus vulgaris L.) Varieties and Agronomic Trait Eco-Seasonal Morphological and Physiological Characterization, East Africa Journal of Agriculture and Biotechnology, Vol 1:5.
55. T.Mwangi, S. Nguluu and T. Akuja (2022).Presented a paper entitled “Assessing the effect of different levels of shade intensities on green grams (vigna radiata) and maize (zea mays) growth and productivity in Kitui County, Kenya”. In Proceedings of the First Research and Innovation Week, SEKU, 14-18th, November, 2022.
56. Akuja, T. E. and Kandagor, J. J. (2024). Climate Smart Agriculture in Kenya's ASALS: Gaps and Barriers in Policy Development and Implementation African Journal of Climate Change and Resource Sustainability, 3(1), 1-10. https://doi.org/10.37284/ajccrs.3.1.1690
57. Mwangi, T. I., Nguluu, S. & Akuja, T. E. (2024) “Effect of Shade Intensities on Growth, Biomass and Grain Yield of Green Grams (Vigna radiata) and Maize (Zea mays) in Kitui County”, East African Journal of Agriculture and Biotechnology, 7(1), pp. 117-127. https://doi: 10.37284/eajab.7.1.1809.
58. Wambua, R., Akuja T. and Sevu, R. (2025). Contract Farming Technologies, Opportunities and Challenges in Arid and Semi-Arid Lands-A Review Scenario in Kenya, International Journal of Agriculture and Technology

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