Dr. Samuel Njiri Ndirangu Publications

Latest Publications

1. Isaboke, H. N., & Ndirangu, S. N. (2022). Determinants of smallholders’ choice of avocado marketing outlets and profitability in Murang’a County, Kenya. SN Business & Economics, 2(8), 1-25.

2. Muchangi, N. M., Mogaka, H. R., Ndirangu, N. S., & Gichimu, B. M. (2021). Factors Influencing Adoption of Improved Cultivars of Macadamia (Macadamia spp.) among Small-Scale Farmers in Embu County, Kenya. Journal of Agricultural Extension, 25(4), 119-126.

3. Okeyo, S. O., Ndirangu, S. N., Isaboke, H. N., Njeru, L. K., & Omenda, J. A. (2020). Analysis of the determinants of farmer participation in sorghum farming among small-scale farmers in Siaya County, Kenya Samuel. Scientific African Journal, 10(November), e00559. https://doi.org/10.1016/j.sciaf.2020.e00559

4. Karing’u, K. N., Isaboke, H. N., & Ndirangu, S. N. (2020). Transaction costs and participation in avocado export marketing in Murang’a County, Kenya. Journal of Agribusiness in Developing and Emerging Economies. https://doi.org/10.1108/JADEE-12-2019-0206

5. Musyoka, J. K., Isaboke, H. N., & Ndirangu, S. N. (2020). Farm-Level Value Addition among Small-scale Mango Farmers in Machakos County, Kenya. Journal of Agricultural Extension, 24(3), 85–97.

6. Okeyo, S.O., Ndirangu, S.M, Isaboke, H.N., and Njeru, L. K., (2020). Determinants of sorghum productivity among small-scale farmers in Siaya County, Kenya. African Journal of Agricultural Research 16(5): 722-731

7. Mwangi, T. M., Ndirangu, S.M, Isaboke, H.N. (2020). Technical efficiency in tomato production among smallholder farmers in Kirinyaga County, Kenya. African Journal of Agricultural Research 16(5): 667-677

8. Ambetsa, F. L., Mwangi, S. C., Ndirangu, S.M (2020). Technical efficiency and its determinants in sugarcane production among smallholder sugarcane farmers in Malava sub-county, Kenya. African Journal of Agricultural Research 15(3): 351-360

9. Wambua, D. M., Ndirangu, S.M., Njeru, L. K., Gichimu, B.M. (2019). Effects of recommended improved crop technologies and socio-economic factors on coffee profitability among smallholder farmers in Embu County, Kenya. African Journal of Agricultural Research14(34): 1957-1966

10. Murimi, E. K., Njeru, L. K., Gichimu, B.M., Ndirangu, S.M. (2019). Effects of Urban Expansion on Agricultural Resources: A Case Study of Embu Town in Kenya. Asian Journal of Agricultural Extension, Economics & Sociology 33(4): 1-11

11. Ndirangu, S.M, Mbogoh, S.G, Mbatia, O.L.E (2018). Evaluation of the Elasticity of Farm Output among Smallholder Farmers in Selected Agro-Ecological Zones of Embu County, Kenya. Asian Journal of Agricultural Extension, Economics & Sociology 26(3): 1-10, 2018; Article no.AJAEES.43048 ISSN: 2320-7027 PDF Version

12. Ndirangu, S.M, Mbogoh, S.G, Mbatia, O.L.E (2017). An Analysis of the Impact of Agro-Ecological Zones on the Influence of the Key Factors That Affect Food Security: The Case of the Embu County in Kenya. World Journal of Research and Review (WJRR) 5(2): 64-72

13. Ndirangu, S.M, Mbogoh, S.G, Mbatia, O.L.E (2017). Effects of Land Fragmentation on Food Security in Three Agro-ecological Zones of Embu County in Kenya. Asian Journal of Agricultural Extension, Economics & Sociology 18(4): 1-9

Books/Book Chapters Published

Seminars & Workshops

1. Two-Weeks Training of Trainers Course in Teaching Methods and Curriculum Development, Egerton University (1994)

2. Two-Weeks Training of Trainers Course in Guidance and Counseling and Institutional Management, Egerton University (1995)

3. One-Week Farming Systems Approach in Agricultural Development Course in Kilifi Institute of Agriculture (2007)

4. One Week Curriculum Development Course, Embu Institute of Agriculture (2008)

5. One-Week Research and Consultancy Skills, Embu Institute of Agriculture (2008)

6. One Week Customer Care, Embu Institute of Agriculture (2008)

7. Four-Weeks Senior Management Course, Government Training Institute Embu (2010)