Ecological and agro-economic study of small farms in sub-Saharan Africa

Agronomy for Sustainable Development

Volumn 27, Issue 3, 2007, Pages 197-208

  Ondurua, D D ^a   Du Preezb, C C ^b  

^a ETC East Africa   (Kenya)

^b UNIVERSITY OF THE FREE STATE   (South Africa)

Author keywords

Agro ecological sustainability; Drylands; Production risks; Socio economic sustainability; Sustainable agriculture

Indexed keywords

AGRICULTURAL PRODUCTION; ALTERNATIVE AGRICULTURE; CROP YIELD; ECOLOGICAL IMPACT; HOUSEHOLD INCOME; INTERCROPPING; LAND DEGRADATION; LIVESTOCK FARMING; MONOCULTURE; NUTRIENT LOSS; NUTRITIONAL STATUS; POVERTY; SOCIOECONOMIC IMPACT; SOIL NUTRIENT; SUSTAINABILITY;

AFRICA; EAST AFRICA; EASTERN PROVINCE [KENYA]; KENYA; MBEERE; SUB-SAHARAN AFRICA;

ZEA MAYS;

EID: 34548833024     PISSN: 17740746     EISSN: 17730155     Source Type: Journal    
DOI: 10.1051/agro:2007003     Document Type: Article

References (33)

1. Anderson J.M., Ingram J.S.I. (1993) Tropical soil biology and fertility: a handbook of Methods (Second edition), CAB International, Wallingford, UK.
2. CBS (2000) Poverty in Kenya. Volume I-incidence and depth of poverty, Central Bureau of Statistics, Ministry of Finance and Planning, Nairobi, Kenya.
3. Cleaver K.M., Schreiber G.A. (1994) Reversing the spiral. The population, agriculture and environment nexus in sub-Saharan Africa, World Bank, Washington DC, USA.
4. Francis C.A. (1978) Multiple cropping potential of beans and maize, Hortic. Sci. 13, 12-17.
5. Gachimbi L.N., de Jager A., van Keulen H., Thuranira E.G., Nandwa S.M. (2002) Participatory diagnosis of soil nutrient depletion in dryland areas of Kenya, Managing Africa's soils No. 26, International Institute for Environment and Development, London, UK.
6. Gruhn P., Goletti F., Yudelman M. (2000) Integrated nutrient management, soil fertility, and sustainable agriculture: current issues and future challenges, Food, Agriculture, and the Environment Discussion Paper 32. International Food Policy Research Institute, Washington, DC, USA.
7. GTZ (1995) Causes of soil degradation and development approaches to sustainable soil management, Margraf Verlag, Weikersheim.
8. Hinga G., Muchena F.N., Njihia C.M. (1980) Physical and chemical methods of soil analysis, National Agricultural Research Laboratories, Nairobi, Kenya.
9. Jodha N.S. (1981) Intercropping in traditional farming systems, Paper presented at the International Workshop on Intercropping, 10-13 January 1979, Hyderrabad, India.
10. KARI (1994) Strategic plan for cereals in Kenya (1993-2013), Kenya Agricultural Research Institute, Nairobi.
11. Kasenge V., Taylor D.B., Kyamanywa S., Bigirwa G., Erbaugh J.M. (2000) Farm-level evaluation of monocropping and intercropping impacts of maize yields and returns in Iganga District, IPM CRSP Working Paper 00-3 (October 2000), Virginia Tech, Blacksburg, Virginia, USA.
12. Kassam A.H., Velthuizen H.T., Fischer G.W., Shah M.M. (1991) Agro-ecological land resources assessment for agricultural development planning: a. A case study of Kenya. Resources database and land productivity, Technical Annex 1, land resources, Land and Water development Division, FAO and IIASA.
13. Mehlich A., Pinkerton A., Robertson W., Kempton R. (1962) Mass analysis methods for soil fertility evaluation, Ministry of Agriculture, Nairobi, Kenya.
14. Mohammed Saleem M.A. (1998) Nutrient balance patterns in African Livestock systems, Agr. Ecosyst. Environ. 71, 241-254.
15. Muya E.M. (2003) Soil characterization of Kibichoi, Gachoka and Ngaita research sites. Site evaluation Report No. P109. Kenya Soil Survey, Kenya Agricultural research Institute, Nairobi, Kenya.
16. Nadar H.M. (1984) Intercropping and intercrop component interaction under varying rainfall conditions in Eastern Kenya. I: Maize/Bean intercrop, E. Afr. Agr. Forest. J. 44, 166-175.
17. 2-fixation by groundnut, Exp. Agric. 19, 79-86.
18. Novosamsky I., Houba V.J.G., Eck van R., Vark van W. (1983) A novel digestion technique for multi-element plant analysis, Commun. Soil Sci. Plant. 14, 239-249.
19. Okalebo J.R., Gathua K.W., Woomer P.L. (2002) Laboratory methods of soil and plant analysis: a working manual (Second edition), TSBFCIAT and SACRED Africa, Nairobi, Kenya.
20. Okigbo B.N. (1981) Evaluation of plant interactions and productivity in complex mixtures as a basis for improved cropping design, in: Proceedings of the international workshop on intercropping, 10-13 January 1979, Hyderrabad, India. ICRISAT, Patancheru, A.P. 502324, India, pp. 155-179.
21. Okoko O., Makini F. (1999) On-farm evaluation of beans cultivars in the farming systems of South West Kenya, in: Sutherland J.A. (Ed.), Towards increased use of demand driven technology, end of project conference, 23rd-26th March 1999, KARI and DFID, Nairobi, Kenya.
22. OECD (2001) Environmental indicators for agriculture, Vol. 3. Methods and results. Organization for Economic Cooperation and Development, Paris Codex 16, France.
23. Ouma J., Murithi F.M., Mwangi W., Verkuijl H., Gethi M., De Groote H. (2002) Adoption of maize seed and fertilizer technologies in Embu District, Kenya, CIMMYT, Mexico, DF.
24. Ryan J.G., Spencer D.C. (2001). Some challenges, trends, and opportunities shaping the future of the semi-arid tropics, in: Bantilan M.C.S., Parthasarathy Rao P., Padmaja R. (Eds.), Future of agriculture in the semi-arid tropics: proceedings of an International Symposium on Future of Agriculture in Semi-Arid Tropics, 14 Nov 2000, ICRISAT, Patancheru, India, International Crops Research Institute for the Semi-Arid Tropics, Andhra Pradesh, India, pp. 4-11.
25. Smyth A.J., Dumanski J. (1995) A framework for evaluating sustainable land management, Can. J. Soil Sci. 75, 401-406.
26. SPSS Inc. (2002) Special Programme for Social Scientists, SPSS Inc., Chicago, Illinois, USA.
27. Stoorvogel J.J., Smaling E.M.A. (1990) Assessment of soil nutrient depletion in sub- Saharan Africa, 1983-2000, Report 28, DLO Winand Staring Centre for Integrated Land, Soil and Water Research (SC-DLO), Wageningen, Netherlands.
28. Syers J.K., Rimmer D.L. (Eds.) (1995) Soil science and sustainable land management in the tropics, CAB International, Wallingford, UK, pp. 1-15.
29. Van den Bosch H., Gitari J.N., Ogaro V.N., Maobe S., Vlaming J. (1998) Monitoring nutrient flows and economic performance in African farming systems (NUTMON). III. Monitoring nutrient flows and balances in three districts in Kenya, Agr. Ecosyst. Environ. 71, 63-80.
30. Vlaming J., van den Bosch H., van Wijk M.S., de Jager A., Bannink A., van Keulen H. (2001a) Monitoring nutrient flows and economic performance in tropical farming systems (NUTMON). Part 1: Manual for the NUTMON-toolbox, Alterra, Green World Research, Wageningen and Agricultural Economics Research Institute, The Hague, The Netherlands.
31. Vlaming J., van den Bosch H., van Wijk M.S., de Jager A., Bannink A., van Keulen H. (2001b) Monitoring nutrient flows and economic performance in tropical farming systems (NUTMON), Annex, Alterra, Green World Research, Wageningen and Agricultural Economics Research Institute, The Hague, The Netherlands.
32. World Bank (2000) World Development Report: attacking poverty, Oxford University Press, New York.
33. World Bank (2002) Globalisation, Growth and Poverty, World Bank, Washington DC.