info@chuka.ac.ke | 020 231 0512/ 020 231 0518
info@chuka.ac.ke | 020 231 0512/ 020 231 0518

Dr. Haggai Onyango Ndukhu

Dr. Haggai Onyango Ndukhu

Lecturer

Email: hndukhu@chuka.ac.ke

Faculty: Agriculture and Environmental Sciences

Department: Plant Sciences

Biography

Teaching

Outputs

Research/PhD

FIELD OF SPECIALIZATION: Soil Science/Agronomy
WORK EXPERIENCE
2015 to date: Lecturer
2008-2015: Agricultural Officer
COMMUNITY SERVICE/CONSULTANCIES
1. Contracted by OLAM-Tanzania, Soil/land suitability survey for cocoa growth in Kilombero Valley, Tanzania from May to June 2019
2. Contracted by Acacia Farm, Soil/land suitability survey for agricultural crops suitability– Nanyuki, Laikipia County, Kenya, March 2019
3. Contracted by AgVision, Soil and Land Evaluation for maize production– Royal Ranch, Masindi, Uganda, December 2018
4. Contracted by Charvi Farm, BIDCO ltd, Soil/land suitability survey for agricultural crops suitability– Mau Narok, Nakuru County, Kenya, August 2018
5. Contracted by Egis Eau, Development of Kwale County Water Master Plan– Kwale County, Kenya, From January 2017 to December 2018
6. Contracted by Clinton Foundation, Soil Nutrient mapping using ArcGis for crop and irrigation suitability– Mchingi, Malawi, September 2015
7. Contracted by Dream Catcher, AGRA/ICRAF/ SARI Funded project, Documentation of success stories
on maize pigeon pea project, North & South Tanzania, August 2015
8. Contracted by Technoserve, Soil and leaf sampling and analysis for coffee crop suitability and fertilizer
recommendation, Yei, South Sudan, May-June 2015
9. Contracted by Crop Nutrition Laboratory Services, Soil Nutrient mapping using ArcGis for crop and
irrigation suitability–Homa Bay County, Kenya, January- February 2015
10. Contracted by Crop Nutrition Laboratory Services, Soil survey-profile description-Monsanto countrywide
project, November 2014
11. Contracted by Crop Nutrition Laboratory Services, Soil Nutrient mapping using ArcGis, Kilimanjaro
Sugarcane Plantations, Tanzania-December 2014
12. Contracted by Crop Nutrition Laboratory Services, Soil Nutrient mapping using ArcGis, Uganda –
January-February 2013
13. Contracted by Crop Nutrition Laboratory Services, Soil Nutrient mapping using ArcGis, Ethiopia –
August 2012
14. Contracted by Crop Nutrition Laboratory Services, Soil survey for suitability project, AGRICA, South
Sudan –April-May 2012
15. Contracted by Crop Nutrition Laboratory Services, Soil survey for suitability project, Aga Khan
University, Arusha, Tanzania-December 2011- February 2012
16. Contracted by Crop Nutrition Laboratory Services, Soil survey-profile description-ACDI VOCA
countrywide project, February-April 2011
17. Contracted by Crop Nutrition Laboratory Services, Dissection, identification and quantification of soil
nematodes, February 2006 to-date
18. Contracted by Crop Nutrition Laboratory Services, Soil analysis for crop suitability and fertilizer
recommendation, a Technoserve sponsored project Tanzania-June-July 2010
19. Contracted by Crop Nutrition Laboratory Services, Soil analysis for crop suitability and fertilizer
recommendation, a Technoserve sponsored project Kenya, February – April 2009
20. Contracted by Crop Nutrition Laboratory Services, Soil survey-profile description Galana ranch, KenyaFebruary – November 2009
21. Contracted by Crop Nutrition Laboratory Services, Soil analysis for crop suitability and fertilizer
recommendation, a Technoserve (NGO) sponsored project Rwanda-August– September 2009
22. Contracted by Crop Nutrition Laboratory Services, Soil analysis for fertilizer blending-Coordinating
sampling of coffee, maize, potatoes and wheat soils for small holder farmers in Kenya, a Yara Fertilizer
Company sponsored project, Kenya-February – October –December 2007 and May-June 2008
EDUCATION
Ph.D. in Soil Science
Master of Science in Soil Science
B.Sc. in Agriculture

KEY RESEARCH PROJECTS
1. Funded by National Research Fund (NRF) for the 2016-17 cycle. Proposal title: Enhancing the Contribution of Moringa oleifera (Lamarck) to Soil Health, Climate Resilience and Community Livelihoods in Kenya
2. 2012-2017: Growth and Productivity in Organic Value Chains Project. A DANIDA funded project atUniversity of Nairobi, Kenya
3. 2011: Funded by the National Commission Science, Technology and Innovation for “crop performance and soil nutrient dynamics under different organic based cropping systems in central Kenya’
RECENT JOURNAL PUBLICATIONS
1. Ndukhu, H.O., Wahome, G.R & Jensen, H.H. (2019). Effect of Applying Organic Amendments and Chickpea Integration on Soil Chemical Properties in Different Cropping Systems in Central Kenya. Journal of Agricultural Science Vol. 10, No. 12, p. 215 DOI:10.5539/jas.v10n12p215
2. Mulambula, S, Gathungu G. K, Ndukhu H. O. and Ogolla F.O. (2019). Integrated Effect of Rhizobium Inoculation and Phosphorus Application on Tissue Content, Symbiotic and Phosphorus use Efficiency in Soybean Production. International Journal of Environment, Agriculture and Biotechnology, Vol-4, Issue5 ISSN: 2456-1878https://dx.doi.org/10.22161/ijeab.45.28
3. Ndukhu, H.O., & Wahome, G. R. (2018). Modelling Nutrient Dynamics and Maize Yields under Different Cropping Systems and Organic Amendments Using APSIM in Central Kenya. International Journal of Plant & Soil Science, 1-16.
4. Ndukhu, H.O., N. R. Onwonga, G. R. Wahome, G. Kironchi and H. H. Jensen, 2017. Effect of Integrating Chickpea and Organic Amendments on Yield and Quality Attributes of Tomato and Maize in Central Kenya. Journal of Agriculture and Ecology Research International 12 (4): 1-22.
5. Ndukhu, H.O., N. R. Onwonga, G. R. Wahome, G. Kironchi and H. H. Jensen, 2016. Assessment of Organic Farmers’ Knowledge and Adaptation Strategies to Climate Change and Variability in Central Kenya. British Journal of Applied Science & Technology17 (6): 1-22.
6. Ndukhu, H.O., Onwonga, R., Genga, Q., Wahome, G. and Henning, J. 2013. Climate change and variability: Experiences, coping and adaptation strategies among the smallholder organic vegetable farmers in Central Kenya. International newsletter from ICROFS.orbit.dtu.dk
7. Karanja, N., Mutua, G. K., Ayuke, F., Ndukhu, H.O. and Kimenju, J. W. (2011). Nematode Diversity and the Effects of Bacillus and Rhizobium on the Management of Plant Parasitic Nematodes in Common Bean. URL: http://hdl.handle.net/11295/65006 University of Nairobi Digital Repository
8. Mutua, G.K., Karanja, N.K., Ayuke, F.O., Ndukhu, H.O. and Kimenju, J.W., (2011). The potential of Bacillus subtilis and Rhizobium leguminosarium in controlling plant parasitic nematodes in farmers’ fields. African Crop Science Conference Proceedings, 10:207-203. Chuka University Academic Staff Database © 2020 Page 41 of 460
BOOK CHAPTERS
1. Onwonga R, Sibuga KP, Ndukhu, H. O, Sigsgaard L, Saria A, Shechambo L, Caceres MM, Chepkoech C, Genga Q, Wahome R, Halberg N, and Høgh‐Jensen H. ‘Supporting smallholder farmers of East Africa in Organic Crop Cultivation’ (Chapter in Improving organic crop cultivation (Ed. Prof. Ulrich Köpke),Burleigh Dodds Science Publishing) https://www.bookdepository.com/Improving‐Organic‐Crop‐ Cultivation‐Ulrich‐Kopke/981786761842
2. Ndukhu, O.H., Wahome, G.R & Jensen, H.H. Effect of Applying Organic Amendments and Chickpea Integration on Soil Chemical Properties in Different Cropping Systems in Central Kenya (Chapter in Research and Development in Agricultural Sciences Book)

RESEARCH INTEREST
1. Innovative, Comprehensive Approaches for Improving Local Food Systems towards Healthy Diet inAfrica and for Global Export
2. Soil Suitability survey for agricultural crops productivity using GIS and Remote Sensing,
3. Crop growth and Climate Change and variability modeling using APSIM, AquaCrop, ETo calculator, MonQI, Century, DSSAT.

POSTGRADUATE SUPERVISED TOPICS
1. Effect of Rhizobium inoculation and phosphorus application on soybean growth and yield
2. Effect of goat manure based vermicompost on soil chemical properties, growth and yield of garlic (Allium sativum L.) in mount Kenya region
3. Performance and soil moisture retention under inoculated cowpeas intercrop in lower Eastern Kenya
4. Effects of ascorbic and humic acid foliar spraying and nitrogen fertilizer management on yield and yield components of Quinoa (Chenopodium Quinoa)
5. Dynamics of Rhizobium Inoculation and Rock Phosphate Fertilizer Application on Soil Fertility and Performance of Green-grams in Eastern Kenya
6. Isolation and characterization of Aflatoxin in soils of lower eastern Kenya
7. Correlation of soil and maize grain Aflatoxin levels in lower Eastern Kenya
8. Agrochemical information access and utilization among small-scale farmers of Chuka Subcounty, Kenya

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