Scientist skilled in leading research projects and driving innovative solutions. Deep expertise in experimental design, data analysis, and scientific writing. Strong focus on collaborative efforts and achieving measurable results. Known for adaptability, critical thinking, and reliability in dynamic environments. Proficient with molecular biology techniques, statistical software, and project management tools.
1. Consultant: Review of CA in Zimbabwe: Tasked to review CA in Zimbabwe by FAO, DFID and GRM consortium (May-June 2010).
2. Consultant: COMESA Zimbabwe stock taking study (Jan-March 2010). Tasked to review and stock take CA in Zimbabwe for scaling out purposes.
3. Consultant: Conservation Agriculture training course conducted for two days for International Organization of Migration (IOM). August 2009
4. Consultant. Review of the Union Project Conservation Agriculture project, EU funded project managed by FAO. July 2009
5. Consultant (Team Leader): An external evaluation of the DAPP Farmers Clubs EU funded project. Development Aid from People to People. June 2009.
6. Consultant: Activities and Programmes of Major Agencies in Respect of Food and Seed security in Zimbabwe and the SADC region: A literature review for the Swiss Agency for Development and Cooperation. March –April 2009. A study conducted in collaboration with Great Minds Pvt. Ltd.
7. Consultant: An evaluation of the Dabane Trust Programmes 2006-2009. November 2008 – Jan 2009.
8. Resource Person :
9. Course Coordinator : SADC-Land &Water Management Research Programme Regional Training Short Course (2wks): Water Conservation and Harvesting Technologies for Degreed officers. October 2008, Zimbabwe.
10. Facilitator: Water Conservation and Harvesting Technologies for Smallholder farmers in the Limpopo Basin. Training Course conducted for field officers for CPWF PN1. 26-30 September 2006.
11. An appraisal of policies and institutional frameworks impacting on agricultural water management in Zimbabwe. by I.Nyagumbo and J. Rurinda. IMAWESA Study: Improving Management of Agricultural Water in Eastern and Southern Africa. Draft completed for publication by IFAD June-September 2006.
12. Regional Consultant: SADC Land & Water Management Programme : Appraisal of formal courses offered by tertiary institutions in 10 SADC countries in Land & Water Management. Associate Consultant for PriceWaterHouse Coopers. July-October 2005.
13. A review of conservation agriculture technology research in Zimbabwe. Study conducted for CIMMYTT- BMZ Conservation Agriculture Project April 2005
14. A review of opportunities and constraints in soil fertility and water management technologies in semi-arid Zimbabwe. IDRC–ICRISAT Study pursued March 2005- April 2005.
15. A review of Integrated Soil Fertility Management Technology Generation and Dissemination Approaches: Study funded by the Rockefeller Foundation towards the Soil Fertility Consortium of Eastern and Southern Africa: Team Leader for the Zimbabwe Synthesis Group November 2004- March 2005
16. Facilitator: ICRAF Regional workshop: ICRAF SADC FIRCOP Workshop|: Scaling up tree fodder banks in the smallholder dairy systems of Southern Africa: 14-15 September 2004.
17. Co-facilitator: African Conservation Tillage Planning workshop.11-13 November 2003.
18. Farmer Workshop Facilitation: VECO Cluster Technology Exchange Workshop. 29-31 October 2003.Murehwa Training Centre
19. CA equipment for small-scale farmers in southern and eastern Africa. Consultancy written for South Africa FAO TCP project workshop, University of Fort Hare, 16-17 July 2003.
20. nt authorship : Mapfumo, P, Chuma, E, Nyagumbo, I and Mtambanengwe, F.
21. Manual on Integrated Soil, Water and Nutrient Management. written in collaboration with FAO, ICRISAT and Agricultural Research and Extension Department, Ministry of Lands and Agriculture, Zimbabwe. February 2003.
22. nt authorship : Mapfumo, P, Chuma, E, Nyagumbo, I and Mtambanengwe, F.
23. Curricula on Integrated Soil, Water and Nutrient Management. written in collaboration with FAO, ICRISAT and Agricultural Research and Extension Department, Ministry of Lands and Agriculture, Zimbabwe. July 2002
24. A Review of Sorghum and Pearl Millet-based Production Systems in Semi-Arid Regions of Zimbabwe. SADC/ICRISAT Sorghum and Millet Improvement Programme (SMIP), PO Box 776, Bulawayo, Zimbabwe; International Crops Research Institute for the Semi-Arid Tropics (ICRISAT). 72 pp (Limited distribution). Joint authorship: Chuma, E, Nyagumbo, I. and Mvumi, B. September 2001
25. Water and Soil Conservation with drought in mind. Farmer self-study material on water harvesting and soil conservation developed under contract with the Swedish Co-operative Centre and Zimbabwe Farmers’ Union. ISBN: 0-7974-2057-6. Swedish Co-operative Centre, 1999. Joint authorship: Nyagumbo, I and Mugabe, F.T.
26. An evaluation of soil & water conservation options for semi-arid micro-catchments. A study carried out for the Institute of Environmental Studies, University of Zimbabwe. September 1999.
27. An evaluation of the Buhera Environmental Rehabilitation Project for Zimbabwe Freedom From Hunger Campaign. March 1999.
28. Baseline Survey of Bulilima-mangwe district Wards 1-4. A baseline study carried out for the Water and Sanitation Project of the Zimbabwe Freedom From Hunger Campaign. January 1999.
29. Invited as a resource person by the Government of Namibia, Ministry of Agriculture for a presentation on Conservation Tillage to an International workshop in October 1998.
30. Synthesis of workshop proceedings for the GTZ supported International workshop on Conservation Tillage in June 1998. GTZ/ FAO/FARMESA
31. Development of reference material on conservation tillage for publication on INTERNET with FARMESA an NGO supported by FAO in July 1998. www.farmesa.co.zw
32. Environmental study of Borehole sites in Buhera district. February 1998. Study carried out for the NGO Zimbabwe Freedom From Hunger Campaign.
33. “Conservation tillage technology options for small-holder farmers in Zimbabwe”. December 1997. Project done for a joint IRDEP and Institute of environmental studies (IES) reference manual.
34. Annual Resource person for (LEAD) Leadership for Environmental Development Programme (Cohort programme) since 1996
35. Soils of Karimba Estate: A study carried out on a commercial farm in Marondera to assess production potential in 1995 .jointly authored: J. Nyamangara, Nyagumbo, I. and J. Muzezewa.
Nyagumbo, I., Nyamayevu, D., Silva, J.V., 2025. Food and nutrition security merits of intercropping maize, sorghum and millet with legumes on small farms in Southern Africa. Food Secur. https://doi.org/10.1007/s12571-025-01556-2
Thierfelder, C., Mhlanga, B., Nyagumbo, I., Kalala, K., Simutowe, E., Chiduwa, M., MacLaren, C., Silva, J.V., Ngoma, H., 2024. Two crops are better than one for nutritional and economic outcomes of Zambian smallholder farms, but require more labour. Agric. Ecosyst. Environ. 361, 108819. https://doi.org/10.1016/j.agee.2023.108819.
Nyamayevu, D., Nyagumbo, I., Liang, W., Li, R., Silva, J.V., 2024. Grain and nutritional yield merits of sustainable intensification through maize-legume rotations in land constrained smallholder farms of Malawi. Field Crops Res. 318, 109565. https://doi.org/10.1016/j.fcr.2024.109565
Nyagumbo, I., Nyamayevu, D., Chipindu, L., Siyeni, D., Dias, D., Silva, J.V., 2024. Potential contribution of agronomic practices and conservation agriculture towards narrowing smallholders’ yield gaps in Southern Africa: lessons from the field. Exp. Agric. 60, e10. https://doi.org/10.1017/S0014479724000012
Mwila, M., Silva, J.V., Kalala, K., Simutowe, E., Ngoma, H., Nyagumbo, I., Mataa, M., Thierfelder, C., 2024. Do rotations and intercrops matter? Opportunities for intensification and diversification of maize-based cropping systems in Zambia. Field Crops Res. 314, 109436. https://doi.org/10.1016/j.fcr.2024.109436
Baudron, F., Cairns, J.E., Haefele, S.M., Hassall, K.L., Ndhlela, T., Nyagumbo, I., Manzeke-Kangara, M.G., Joy, E.J., 2024. Projecting the Contribution of Provitamin A Maize Biofortification and Other Nutrition Interventions to the Nutritional Adequacy and Cost of Diets in Rural Zimbabwe. J. Nutr. S0022316624001780. https://doi.org/10.1016/j.tjnut.2024.04.009
Silva, J. V., Baudron, F., Ngoma, H., Nyagumbo, I., Simutowe, E., Kalala, K., Habeenzu, M., Mphatso, M., & Thierfelder, C. (2023). Narrowing maize yield gaps across smallholder farming systems in Zambia: what interventions, where, and for whom? Agronomy for Sustainable Development, 43(2), 26. https://doi.org/10.1007/s13593-023-00872-1
Mupangwa, W., Makanza, R., Chipindu, L., Moeletsi, M., Mkuhlani, S., Liben, F., Nyagumbo, I., & Mutenje, M. (2021). Temporal rainfall trend analysis in different agro-ecological regions of southern africa. Water SA, 47(4), 466–479. https://doi.org/10.17159/WSA/2021.V47.I4.3844
Cairns, J. E., Baudron, F., Hassall, K. L., Ndhlela, T., Nyagumbo, I., McGrath, S. P., & Haefele, S. M. (2022). Revisiting strategies to incorporate gender-responsiveness into maize breeding in southern Africa. Outlook on Agriculture, 51(2), 178–186. https://doi.org/10.1177/00307270211045410
Mkuhlani, S., Mupangwa, W., Macleod, N., Gwiriri, L., Nyagumbo, I., Manyawu, G., Chigede, N., 2020. Crop-livestock integration in smallholder farming systems of Goromonzi and Murehwa, Zimbabwe. Renew. Agric. Food Syst. 35. https://doi.org/10.1017/S1742170518000558
Mutsamba, E.F., Nyagumbo, I., Mupangwa, W., 2019. Forage and maize yields in mixed crop-livestock farming systems Enhancing forage and maize yields in mixed crop-livestock systems under conservation agriculture in sub-humid Zimbabwe. NJAS - Wageningen J. Life Sci. 100317. https://doi.org/10.1016/j.njas.2019.100317
Mupangwa, W. Nyagumbo, I., Mutsamba, E.M., Mhlanga, B., Mataruse, J. (2018). Maize responses to reduced tillage, different plant residue mulch and nitrogen fertiliser on granitic sandy soils of Zimbabwe. South African Journal of Plant and Soil 2018: 1–10.
Mupangwa W, Thierfelder C, Cheesman S, Nyagumbo I, Muoni T, Mhlanga B, Mwila M, Sida TS, Ngwira A (2019). Effects of maize residue and mineral nitrogen applications on maize yield in conservation agriculture-based cropping systems of Southern Africa. Renewable Agriculture and Food Systems 1–14. https://doi.org/10.1017/ S174217051900005X.
Madamombe, S.M, Nyagumbo, I. Brighton M. Mvumi, Philip Nyamugafata, Menas Wuta, Cleopas C. Chinheya. 2017. Nematode Management in Rain-fed smallholder maize production systems under conservation agriculture in Zimbabwe . Experimental Agriculture, 2017, https://doi.org/10.1017/S0014479717000163.
Mutenje, M.J., Farnworth, C.R., Stirling, C., Thierfelder, C., Mupangwa, W., Nyagumbo, I., 2019. A cost-benefit analysis of climate-smart agriculture options in Southern Africa: Balancing gender and technology. Ecol. Econ. 163, 126–137. https://doi.org/10.1016/j.ecolecon.2019.05.013
Mupangwa, W., Nyagumbo, I., Liben, F., Chipindu, L., Craufurd, P., Mkuhlani, S., 2021. Maize yields from rotation and intercropping systems with different legumes under conservation agriculture in contrasting agro-ecologies. Agric. Ecosyst. Environ. 306. https://doi.org/10.1016/j.agee.2020.107170
Nyagumbo, I., Mupangwa, W., Chipindu, L., Rusinamhodzi, L., Craufurd, P., 2020. A regional synthesis of seven-year maize yield responses to conservation agriculture technologies in Eastern and Southern Africa. Agric. Ecosyst. Environ. 295, 106898. https://doi.org/10.1016/j.agee.2020.106898.
Nyagumbo, I., Mutenje, M., Ghimire, S.R., Bloem, E., 2020. Cereal-Legume Intercropping and Rotations in Eastern and Southern Africa Farmer’s Manual 27. CIMMYT
Nyagumbo, I., Mutenje, M., Setimela, P., Chipindu, L., Chisaka, A., Simwaka, P., Mwale, B., Ngwira, A., Mupangwa, W., 2021. Evaluating the merits of climate smart technologies under smallholder agriculture in Malawi. Soil Use Manag. 1–17. https://doi.org/10.1111/sum.12715
Nyagumbo I., Mupangwa W., Rusinamhodzi L., Craufurd P. 2021. Conservation agriculture as a determinant of sustainable intensification. In book: Sustainable Intensification of Maize-Legume Systems for Food Security in Eastern & Southern Africa: Lessons Learnt. https://aciar.gov.au/publication/simlesa_lessons_and_way_forward
Setimela P., Nyagumbo I., Mupangwa W., Mutenje M. 2021. Enhancing climate resilience using stress tolerant maize and conservation agriculture in Southern Africa. CABI.
Mkuhlani S., Mupangwa W., Nyagumbo I. 2019. Maize yields in varying rainfall regimes and cropping systems across southern Africa: A Modelling Assessment. In: Leal Filho W. (ed.). Climate Change Management. httpp://www.springer.com/series/8740.
Sandra M. Madamombe, Isaiah Nyagumbo, Brighton M. Mvumi, Philip Nyamugafata, Menas Wuta, Cleopas C. Chinheya. 2017. Nematode Management in Rain-fed smallholder maize production systems under conservation agriculture in Zimbabwe . Experimental Agriculture, 2017, https://doi.org/10.1017/S0014479717000163.
Nyagumbo, I., Mkuhlani, S., Mupangwa, W., Rodriguez, D. (2017). Planting date and yield benefits from conservation agriculture practices across Southern Africa. Agricultural Systems 150, 21-33. January 2017.
Thierfelder, C., Matemba-Mutasa, R., Bunderson, W.T., Mutenje, M., Nyagumbo, I., Mupangwa, W., 2016. Evaluating manual conservation agriculture systems in southern Africa. Agric. Ecosyst. Environ. 222, 112–124. doi:10.1016/j.agee.2016.02.009
Mutsamba, E.F., Nyagumbo, I., Mafongoya, P., 2016. Termite prevalence and crop lodging under conservation agriculture in sub-humid Zimbabwe. Crop Prot. 82, 60–64. doi:10.1016/j.cropro.2016.01.004
Mupangwa, W., Mutenje, M., Thierfelder, C., Nyagumbo, I., 2016. Are conservation agriculture (CA) systems productive and profitable options for smallholder farmers in different agro-ecoregions of Zimbabwe? doi:10.1017/S1742170516000041
Nyakudya, I.W., Stroosnijder, L., Nyagumbo, I., 2014. Infiltration and planting pits for improved water management and maize yield in semi-arid Zimbabwe. Agric. Water Manag. 141, 30–46. doi:10.1016/j.agwat.2014.04.010
Ndah, H.T., Schuler, J., Uthes, S., Zander, P., Traore, K., Gama, M., Nyagumbo, I., Triomphe, B., 2013. Adoption Potential of Conservation Agriculture Practices in Sub-Saharan Africa: Results from Five Case Studies. Environ. Manage. DOI 10.100.
Corbeels, M., de Graaff, J., Ndah, T.H., Penot, E., Baudron, F., Naudin, K., Andrieu, N., Chirat, G., Schuler, J., Nyagumbo, I., Rusinamhodzi, L., Traore, K., Mzoba, H.D., Adolwa, I.S., 2014. Understanding the impact and adoption of conservation agriculture in Africa: A multi-scale analysis. Agric. Ecosyst. Environ. 187, 155–170. doi:10.1016/j.agee.2013.10.011
Nyakudya, I.W., Stroosnijder, L., Nyagumbo, I. 2014. Infiltration and planting pits for improved water management and maize yield in semi-arid Zimbabwe Jul 2014 · Agricultural Water Management
Nhantumbo, N, Dias, D, Mortlock, M., Nyagumbo, I, Dimes, J, Rodriguez, D. (2014). Best-fit residue allocation: A gate for legume intensification in nitrogen constrained cropping systems of Central Mozambique. Conference Paper 1stAfrican Conservation Agriculture Congress, Lusaka, Zambia March 2014
Baudron, F., Thierfelder, C., Nyagumbo, I., Gérard, B., (2015). Where to Target Conservation Agriculture for African Smallholders? How to Overcome Challenges Associated with its Implementation? Experience from Eastern and Southern Africa. Environments 2, 338–357. doi:10.3390/environments2030338
Wall, P. C., Thierfelder, C., Ngwira, A. M., Govaerts, B., Nyagumbo, I., and Baudron, F. (2014). Conservation Agriculture in Eastern and Southern Africa. In “Conservation Agriculture: Global Prospects and Challenges.” (R. A. Jat and J. Graziano de Silva, eds.). pp. 263-292. CABI: ISBN-13: 9781780642598. Cambridge USA.
Corbeels, M., de Graaff, J., Ndah, T.H., Penot, E., Baudron, F., Naudin, K., Andrieu, N., Chirat, G., Schuler, J., Nyagumbo, I., Rusinamhodzi, L., Traore, K., Mzoba, H.D., Adolwa, I.S., 2014. Understanding the impact and adoption of conservation agriculture in Africa: A multi-scale analysis. Agric. Ecosyst. Environ. 187, 155–170.
Thierfelder, C., Rusinamhodzi, L., Ngwira, A. M., Mupangwa, W. T., Nyagumbo, I., Kassie, G. T., and Cairns, J. E. (2013). Conservation agriculture in southern Africa: advances in knowledge. Renewable Agriculture and Food Systems accepted, upcoming, RAFS-D-13-00097R1. 19 Dec 2013.
Nyagumbo, I., Mkuhlani, S., Mupangwa, W., Dimes, J., and Rodriguez, D. (2013). Understanding timeliness and crop yield merits of conservation agriculture technologies towards sustainable intensification in two contrasting agro-ecologies of Zimbabwe In “4th International Symposium for Farming Systems Design” (F. Chen and W. Gao, eds.), pp. 123-125. 19-22 August 2013, Gansu Science and Technology Press; Gansu Feitian Electronic audio-visual publishing house Co. Ltd, Lanzhou, China.
Ndah, H. T., Schuler, J., Uthes, S., Zander, P., Traore, K., Gama, M., Nyagumbo, I., and Triomphe, B. (2013). Adoption Potential of Conservation Agriculture Practices in Sub-Saharan Africa: Results from Five Case Studies. Environmental Management DOI 10.1007/s00267-013-0215-5. 27 November 2013.
Mutema, M., Mafongoya, P. L., Nyagumbo, I., and Chakukura, L. (2013). Effects of crop residues and reduced tillage on macrofauna abundance. Journal of Organic Systems 8, 1, 5-16.
Mkuhlani, S., Nyagumbo, I., and Mupangwa, W. Susceptibility Of Conservation Agriculture Based Cropping Systems To Rainfall Variability: Implications For Sustainable Intensification of Agriculture In Zimbabwe. In “4th International Symposium for Farming Systems Design” (F. Chen and W. Gao, eds.), pp. 157-159. 19-22 August 2013, Gansu Science and Technology Press; Gansu Feitian Electronic audio-visual publishing house Co. Ltd, Lanzhou, China.
Marongwe, L. S., Nyagumbo, I., Kwazira, K., Kassam, A., and Friedrich, T. (2012). “Conservation Agriculture and Sustainable Crop Intensification: A Zimbabwe Case Study,” PLANT PRODUCTION AND PROTECTION DIVISION FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS; Rome, 2012, 29 pp.
Nyagumbo, I., Rurinda, J., 2012. An appraisal of policies and institutional frameworks impacting on smallholder agricultural water management in Zimbabwe. Phys. Chem. Earth 47-48, 21–32.
Nyagumbo, I., Munamati, M., Mutsamba, E.F., Thierfelder, C., Cumbane, A., Dias, D., 2015. The effects of tillage, mulching and termite control strategies on termite activity and maize yield under conservation agriculture in Mozambique. Crop Prot. 78, 54–62. doi:10.1016/j.cropro.2015.08.017
Nyagumbo, I., Mkuhlani, S., Pisa, C., Kamalongo, D., Dias, D., Mekuria, M., 2015. Maize yield effects of conservation agriculture based maize–legume cropping systems in contrasting agro-ecologies of Malawi and Mozambique. Nutr. Cycl. Agroecosystems. doi:10.1007/s10705-015-9733-2
Mutsamba, E.F., Nyagumbo, I., Mafongoya, P.L (2012). Dry Season Crop Residue Management using Organic Livestock Repellents under Conservation Agriculture in Zimbabwe. Accepted for publication , April 2012. Journal of Organic Systems Journal of Organic Systems, 7(1), 2012.
Nyagumbo, I. (2011). Exploring crop yield benefits of integrated water and nutrient management technologies in the Desert Margins of Africa: Experiences from semi-arid Zimbabwe. Journal of Agricultural Science and Technology A. Vol 1 (2011), No. 3 . p 401-414
Gwamuri, J., Mvumi, B. M., Maguranyanga, E. F., & Nyagumbo, I. (2011). Impacts of biofuels on rural livelihoods: A case study of Jatrpha curcasa L. in Mutoko district, Zimbabwe. In I. Mapaure, B. J. Mhango & D. K. Mulenga (Eds.), Mitigation and adaptation strategies to climate change(pp.153-169). Windhoek: RAEIN-Africa.
Munamati, M and Nyagumbo, I. (2010). In-situ rainwater harvesting using dead level contours in semi-arid southern Zimbabwe: Insights on the role of socio-economic factors on performance and effectiveness in Gwanda district. Physics and Chemistry of the Earth 35 (2010), pp. 699-705
Nyamangara, Jand Nyagumbo, I. (2010). Interactive effects of selected nutrient resources and tied ridging on plant growth performance in a semi-arid smallholder farming environment in Central Zimbabwe. Nutr Cycl. Agroecosyst (2010), 88:103-109.
Nyagumbo, I Mvumi, B.M, and Mutsamba, E (2009). Conservation Agriculture in Zimbabwe: Socioeconomic and Biophysical Studies: Paper presented at the Sustainable Land Management Conference, Country Pilot Programme, Windhoek, Namibia, 7-10 September 2009 UNDP, GEF.
Nyagumbo, I., M. Munamati, M., Chikwari, E., Gumbo, D., 2009. In-situ water harvesting technologies in semi-arid southern Zimbabwe: Part I. The role of biophysical factors on performance in Gwanda district, in: Paper presented at the WaterNet/WARFSA/GWP-SA Symposium 2009. Waternet, Kampala, Uganda.
Nyagumbo, I, Nyamangara, J and Rurinda, J: Scaling Out Integrated Soil Nutrient and Water Management Technologies through Farmer Participatory Research: Experiences from Semi-Arid Central Zimbabwe. In “International Symposium on Innovations for the Green Revolution in Sub-Saharan Africa”, pp. (in preparation). 17-23 September 2007, AFNET, Arusha, Tanzania.
Nyamangara, J., and Nyagumbo, I. (2007), Interactive effects of selected nutrient resources and tied-ridging on plant growth in a semi-arid smallholder farming environment in central Zimbabwe. In“International Symposium on Innovations for the Green Revolution in Sub-Saharan Africa”, pp. (in preparation). 17-23 September 2007, AFNET, Arusha, Tanzania. Accepted for publication with corrections in Agric Ecosyst . Environment journal
Nyagumbo, I. (2008). A Review of Experiences and Developments towards Conservation Agriculture and Related Systems in Zimbabwe. In “No-Till Farming Systems” (T. Goddard, M. A. Zoebisch, Y. T. Gan, W. Ellis, A. Watson and S. Sombatpanit, eds.), Special Publication No. 3. pp. 345-372. World Association of Soil and Water Conservation ISBN: 978-974-8391-60-1. Printed at FUNNY PUBLISHING, 549/1-2, Bangkok.
Nyagumbo, I., and Rurinda, J. (2007). “Rapid Appraisal of Policies and Institutional Frameworks for Agricultural Water Management: Zimbabwe Country Report,” A Research Report, November 2007. Improved Management of Agricultural Water in Eastern and Southern Africa(IMAWESA), Nairobi.www.asareca.org/swmnet/imawesa, 70 pp.
Mzezewa*, J. Nyamangara , I. Nyagumbo and C.K.M’Marete (2007). Physical Land Suitability Evaluation for Irrigated Maize and Potatoes in Zimbabwe. Soil Survey Horizons, Winter 2007 pp 93-99
Nyagumbo, I. (2003). Conservation Tillage Technologies and their potential effects on groundwater recharge on a red clay soil in Zimbabwe. In Proceedings of a symposium ‘Water Conservation Technologies For Sustainable Dryland Agriculture in Sub-Saharan Africa’ , Bloemfontein , South Africa, 8-11 April 2003. (in press).
Nyagumbo, I. (2002) Agriculture & Natural Resource Management in Zimbabwe: Topical Issues from a Soil and Water Conservation perspective. In Shaping ‘Farmers of the Future’ in Zimbabwe. Chibanguza Hotel, Murewa, Zimbabwe, 11-14 November 2002. Workshop Documentation. http:// www.worldagroforestrycentre.org
Nyagumbo, I. and Bwalya, M. (2002) Equipment for Conservation Agriculture: Current Status and Trends. In Proceedings of an International Workshop on Modernising Agriculture Visions and technologies for Animal Traction and Conservation Agriculture, Jinja, Uganda, 19-25 May 2002.
Nyagumbo, I. and Mbanje, E. (2000) Soil Tillage and Moisture Conservation Developments for Small-holder farmers in Natural Regions IV and V of Zimbabwe. In: Small-holder Dry Areas Resource Management Project, Research and Extension Linkage Workshop, 29-31 August 2000. Rainbow Hotel, Bulawayo.
Vogel, H., Nyagumbo, I., and Olsen, K. (1994). Effects of tied ridging and mulch ripping on water conservation in maize production on sandveld soils. Der Tropenlandwirt "Journal of Agriculture in the tropics and Subtropics" 3-4, April 1994, 33-44., April 1994.
Nyagumbo.I & Munyati.M, (1994). Conservation Tillage Systems for Small Holder Farmers in the Sub-humid North of Zimbabwe: A review of experiences from on-station and on-farm research work since 1988. A paper presented at a Conservation Tillage Conference of the Department of Research & Specialist Services, Courtney Hotel, Harare, November 1994.
Nyagumbo, I. (2002). The effects of three tillage systems on seasonal water budgets and drainage of two Zimbabawean soils under maize. Dphil Thesis, University of Zimbabwe, Department of Soil Science and Agricultural Engineering, April 2002.
Nyagumbo, I. (2002). The Status of Conservation Agriculture in Zimbabwe. African Conservation Tillage Yearbook 2002 Institute of Environmental Studies (IES) , GTZ.
Nyagumbo, I. (1999) Conservation tillage for sustainable crop production systems: experiences from on-station and on-farm research in Zimbabwe (1988-1997) In: Conservation Tillage with Animal Traction, pp107-114, eds P.G Kaumbutho, T.E. Simalenga. Animal Traction Network for Eastern and Southern Africa (ATNESA) Resource book, HARARE.
Nyagumbo, I. (1998). Conservation Technologies for Small-holder farmers. Notes prepared for RELMA Conservation tillage Course, KARI, Machakos, 21-26 November 1998
Nyagumbo, I. (1998). Experiences with conservation tillage practices in Southern and Eastern Africa: A regional perspective. paper presented at Conservation Tillage for Sustainable Agriculture, International Workshop, Harare, Zimbabwe, 22-26 June 1998 Eds Benites,J, Chuma,E., Fowler,R., Kienzle, Molapong,K., ManuJ, Nyagumbo, I., Steiner, K., and van Veehuizen,R.
Nyagumbo, I. (1997). Effects of tillage systems on soil physical properties with special reference to infiltration, bulk density and organic carbon. African Crop Science Conference Proceedings, Vol 3., pp359-368. African Crop Science Society, 1997
Nyagumbo, I. (1997). Socio-cultural constraints to small-holder farming development projects in Zimbabwe: A review of experiences from farmer participatory research in conservation tillage. The Zimbabwe Science News 31, 2, 42-48., April/June 1997.
Nyagumbo, I. (1997) . Effects of three tillage systems on the seasonal soil water budgets of a Fersiallitic clay under rain-fed Maize. Paper presented at the FORUM grantees meeting , Orange Grove Motel, Chinhoyi, September, 1997.
Nyagumbo, I . (1996) In-situ field determination of unsaturated hydraulic conductivities on two soil types. A paper presented at the Forum Grantees Meeting, Nairobi, Kenya, 20-23 August 1996. Institute of Agricultural Engineering, Harare, Zimbabwe.
Nyagumbo, I. (1996). Adaptive on-farm conservation tillage research in the sub-humid north of Zimbabwe: An overview of findings by the conservation tillage project (1991-1996). A paper presented at a Research Co-ordination Committee meeting, IAE, July 1996
Nyagumbo, I. (1993). Part II: Farmer Participatory Research in Conservation Tillage: Practical Experiences with no-till tied ridging in Communal Areas lying in the Sub-humid north of Zimbabwe. In “Proceedings. of the 4th.Annual. Scientific. Conference” (M. Kronen, ed.), pp. 236-249. 11-14 October 1993, Sadc Land and Water Management Research Programme, Saccar, P.Bag 00108, Gaborone, Botswana, Windhoek, Namibia.
Nyagumbo, I. (1992). The influence of socio-economic factors on potential adoption of no-till tied ridging in four communal areas of Zimbabwe. Proceedings of the third annual scientific conference October 5-7 1992, 319-330. Sadc Land & Water Management Research Programme, SACCAR, P/Bag 00108, Gaborone Botswana.
Nyagumbo, I. (1991). Electrical Measurement of Soil Moisture. MSc Thesis, September 1991, Silsoe College, MK 45 4DT, Bedford, UK.