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Department of Agricultural Engineering, Uppsala, Sweden.

Agaard, and Gibson, D., (1986). “ZNFU Conservation Farming Unit Mission to Zimbabwe: Recommendation for the establishment of a Zimbabwe Conservation Farming Unit. “Rep. No. Draft report. World Bank, Harare.

Gebresenbet G., E. Zerbini, P. G. Kaumbutho, A. Astatke. 1996.Optimization of Draught Animal Power -Tillage Implement - Soil System: Part II; Development of a Reversible Animal-Drawn Plough ad Ridger. Submitted: Journal of Soil and Tillage Research. March, 1996.

Anazodo U.G.N., A.P. Onwualu and K.C. Watts 1991. Evaluation of alternative tillage systems in the absence of herbicides for maize production in a savanah loamy soil. Journal of Agricultural engineering Research 49:259-272.

Gebresenbet G. and P.G. Kaumbutho. 1997. Comparative analysis of the field performances of a reversible animal-drawn prototype and conventional mouldboard ploughs. Journal of Soil and Tillage Research 40(1997) 169-183.

Biamah E.K., F.N. Gichuki and P.G. Kaumbutho. 1993. Tillage Methods and Soil and Water Conservation in Eastern Africa. Soil and Tillage Research Journal, 27 (1993) 105-123; Elsevier Science Publishers B.V. Amsterdam.

Giles G.W. 1975 The re-orientation of agricultural mechanization for developing countries. Proceedings of FAO/OECD expert panel meeting on effect of mechanization on production and employment, FAO, Rome.

Chuma, E.1993. Effects of Tillage on erosion-related soil properties of a sandy soil in semi-arid Zimbabwe. In: AGRITEX 1998. Documented output of the AGRITEX/GTZ Project 1988-1996, P.O. Box 790 Masvingo, Zimbabwe.

Hagmann J. E. Chuma and O. Gundani 1997. Is he the farmer or the farmer’s husband? Gender in agricultural research and extension in Zimbabwe. Entwicklungsethnologie, 6 (2) 1997 pp 100-119

Dagg, M., and J.C. McCartney. 1968. The agronomic efficiency of the N.I.A.E. mechanised tied ridge system of cultivation. Exp. Agric. 4:279-294.

Ellis-Jones, J. & Mudhara, M. (1995). Factors affecting the adoption of soil and water conservation technologies in semi-arid Zimbabwe. In Soil and Water Conservation Tillage for Smallholder Farmers in Semi-Arid Zimbabwe: Transfers between Research and Extension, 106-117 (S. Twomlow, J.Ellis-Jones, J. Hagmann & H. Loos (eds), Silsoe Research Institute Bedford, U.K.

Ellis-Jones, J. & Riches, C. 1992. Zimbabwe: A rapid rural appraisal for conservation tillage; development of sustainable tillage and weed control systems for soil and water conservation management. AFRC Silsoe Research Institute, Overseas Division Report OD/92/5. Silsoe, Bedford, UK: Silsoe Research Institute.

Hagmann, J. 1997. Farmer-driven Development of a Single Donkey pulled Toolframe for Weeding, Ridge-tying and Opening Planting Furrows. In: Starkey, P. (ed.) Animal Power for Weed Control. (Proceedings of a Workshop of the Animal Traction Network for Eastern and Southern Africa (ATNESA) held 1-5 November 1993, Tanga, Tanzania). (in print)

Harris D., G.J. Fry, S.T. Miller and A. Pain 1992. Crop Production, Rainfall, Runoff and Availability of Soil Moisture in Semi-Arid Botswana.

IBRD, (1989). “Sub Saharan Africa: From Crisis to Sustainable Development: A Long Term Perspective”. The World Bank Washington D.C. 300pgs.

Kaumbutho P.G, E. Withanji, J.M. Mutua and A. Karimi. 1997. Animal power development in Kenya: A report of findings from KENDAT field experiences. KENDAT, P.O. Box 30197, Nairobi. Kenya.

Ellis-Jones, J. (1997). A farming system approach to increasing the productivity of draught animals . In “ Improving the productivity of Draught Animals in Sub-Saharan Africa” (J. Ellis-Jones, A. Pearson, D. O’Neill and L. Ndlovu, eds.) 25-27 February 1997, UZ, AGRITEX, DRASS, CVTM, SRI, Institute of Agricultural Engineering, Hatcliffe, Harare, Zimbabwe.

Kaumbutho PG and R. Krause 1996. Agricultural mechanization as a worthwhile input towards ehnanced crop productioon. Invited Paper: presented at the 3rd International Conference on Domestication, Production and Utilization of New Crops. International Centre for Underutilized Crops. University of Southampton Southampton SO17 1BJ United Kingdom.

Elwell, H.A., 1993. Development and adoption of conservation tillage practices in Zimbabwe. Chapter 10. In: Soil Tillage in Africa: Needs and Challenges. FAO Soils Bulletin 69. Soil Resources, Management and Conservation Service Land and Water Development Division. FAO, Rome 1993, 129-165.

Kaumbutho PG and Ithula S.M. 1990. The Status of Agricultural Mechanization in Kenya - Now and into the Future. Proceedings of the 2nd Symposium on Science and Technology, September 11-13, 1990. Research Council of Zimbabwe, Scientific Liaison Office, P.O. Box 8510, Causeway. Zimbabwe.

Food and Agriculture Organisation. 1984. Land food and people. FAO, Rome.

Food and Agriculture Organization. 1978. Report on the agro-ecological zones project. Vol.1. Methodology and results for Africa. FAO, Rome.

Kaumbutho PG and Mwago G. 1993. Feasibility Evaluation of Alternative Agricultural Mechanization Options for the Production of Sugarcane, Rice and Wheat in Kenya. Ministry of Agriculture, Agricultural Engineering Division. May, 1993.

Gebresenbet, G, 1991, Analysis of Forces Acting on Mouldboard Ploughs and Seed Drill Counters in Relation to Speed, Depth and Soil Conditions: Static and Dynamic Studies. Doctoral dissertation defended at Swedish University of Agricultural Sciences,

Klute, A. 1982. Tillage effects on the hydraulic properties of soil: A review. In: Unger P.W., D.M. Van Doren Jr., F.D. Whilsler and E.L. Skidmore (eds). Predicting tillage effects on soil physical properties and processes. ASA special Publication 44. Madison pp 29-43.


This paper is published in: Kaumbutho P G and Simalenga T E (eds), 1999. Conservation tillage with animal traction. A resource book of the

Animal Traction Network for Eastern and Southern Africa (ATNESA). Harare. Zimbabwe. 173p. A publication supported by French Cooperation, Namibia. For details of ATNESA and its resource publications, see http://www.atnesa.org

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