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Dr. Charles Andrew Nyambane Onyari

Name: Charles Andrew Nyambane Onyari
Title/Qualification: Dr. / Doctorate (PhD) in Agronomy
Position: Senior Lecturer and Director, University Examinations
Department: Water and Agricultural Resources Management / Directorate of University Examinations
School: Agriculture
Area of Specialization: Agronomy, Crop Production Modeling, Soil and Water Management, Agrometeorology, EIA/A Expert
Contact Address:  P.O. Box 6 – 60100, EMBU
Email: This email address is being protected from spambots. You need JavaScript enabled to view it., This email address is being protected from spambots. You need JavaScript enabled to view it.

Short Bibliography

Trained agriculturist and teacher with background in agricultural engineering, agronomy (crop science), and postgraduate education. I am married with a family, sociable, a team player and focused on results.

Research Interests

My research interests are in crop growth/yield modeling, soil and water management, soil fertility, dryland farming, biometrics and environmental impact assessment/audit.

Work Experience

1990-1997: Secondary School Teacher (Nyamira). 1997-2000: Agriculture/Irrigation Officer (Mandera). 2000-2003: Technology Development/Testing Engineer (ATDC – Nakuru). 2003-2008: Deputy DAO/Extension Training Officer (Kirinyaga). 2008-2012: Principal Lecturer / HoD (EAST College, Embu. 2012-2013: Deputy Principal (KSA – Nyeri). 2013-2018: Assistant Lecturer (UoEm). 2018 – 2021: Lecturer (University of Embu, UoEm). 2022 – date: Senior Lecturer (UoEm)


  1. Doctor of Philosophy in Agronomy (Egerton University, 2018)
  2. Master of Science in Agronomy (Egerton University, 2007
  3. Postgraduate Diploma in Education (Kenyatta University, 1996)
  4. Bachelor of Science in Agricultural Engineering (Egerton University, 1990)
  5. Kenya Advanced Certificate of Education, KACE, A-Level (Meru Technical School, 1986)
  6. Kenya Certificate of Education, KCE, O-Level (St. Paul’s Gekano High School, 1984)
  7. Certificate of Primary Education, CPE (Metamaywa Primary School, 1980)
  8. Several professional and short courses attended including Senior Management Course (Kenya School of Government, KSoG, 2011) and Environmental Impact Assessment/Audit (Embu Agricultural Staff Training College, EASTC, 2012)

Professional Affiliation

  1. Graduate Engineer, Institute of Engineers of Kenya (IEK) and Engineers’ Board of Kenya (EBK)
  2. Kenya Society of Agricultural Practitioners (KSAP)

Graduate Studies (Title of Thesis/Project)

  1. Doctoral Studies, PhD in Agronomy (2018): Effects of Irrigation and Nitrogen Fertilizer on Yield and Water Use Efficiency of Dryland Hybrid Maize (DK8031) in Embu County, Kenya
  2. Masters Studies, MSc in Agronomy (2007): Effects of Tillage Method and Sowing Time on Growth, Water Use and Yield of Chickpea (Cicer Arietinum L.) in Kenyan Dry Highlands.
  3. Postgraduate Diploma in Education (1996): Gender Differential in Enrollment Between Boys and Girls in Secondary Schools: A Case Study of Metamaywa Secondary School

Dr. Charles A. N. Onyari Publications



The Department offers the following Diploma Courses Click Here


The Department offers the following Postgraduate Courses Click Here