Niche-based assessment of contributions of legumes to the nitrogen economy of Western Kenya smallholder farms

Plant and Soil

Volumn 292, Issue 1-2, 2007, Pages 119-135

  Ojiem, John O ^a,c   Vanlauwe, Bernard ^b   De Ridder, Nico ^c   Giller, Ken E ^c  

^a KENYA AGRICULTURAL RESEARCH INSTITUTE   (Kenya)

^b Tropical Soil and Biology Institute of CIAT   (Kenya)

^c WAGENINGEN UNIVERSITY   (Netherlands)

Author keywords

15N natural abundance; Agro ecological zones; N2 fixation; On farm; Trade offs

Indexed keywords

AGROECOLOGY; CROP PRODUCTION; ENVIRONMENTAL GRADIENT; FARMING SYSTEM; FERTILIZER APPLICATION; ISOTOPIC ANALYSIS; LEGUME; NITROGEN FIXATION; NITROGEN ISOTOPE; RAINFALL; SMALLHOLDER; SOIL FERTILITY; SOIL IMPROVEMENT; TRADE-OFF;

AFRICA; EAST AFRICA; KENYA; SUB-SAHARAN AFRICA; WESTERN PROVINCE [KENYA];

ARACHIS HYPOGAEA; CANAVALIA; CANAVALIA ENSIFORMIS; CROTALARIA; CROTALARIA OCHROLEUCA; DESMODIUM; DESMODIUM UNCINATUM; GLYCINE MAX; LABLAB; LABLAB PURPUREUS; MACROPTILIUM ATROPURPUREUM; MUCUNA; MUCUNA PRURIENS; PHASEOLUS LUNATUS; PHASEOLUS VULGARIS; STYLOSANTHES GUIANENSIS; ZEA MAYS;

EID: 33947527160     PISSN: 0032079X     EISSN: None     Source Type: Journal    
DOI: 10.1007/s11104-007-9207-7     Document Type: Article

References (29)

1. Anderson JR (1992) Difficulties in African agricultural systems enhancement: ten hypotheses. Agri Syst 38:387-409
2. Anderson JM, Ingram JSI (1993) Tropical soil biology and fertility: a handbook of methods. CAB International, Wallingford, UK
3. Baijukya FP (2004) Adopting to changes in banana-based farming systems of northern Tanzania. PhD Dissertation, Wageningen University, Wageningen
4. 15N natural abundance technique to quantify biological nitrogen fixation by woody perennials. Nut Cycl Agroecosyst 57:235-270
5. Chikowo R, Mapfumo P, Nyamugafata P, Giller KE (2004) Maize productivity and mineral N dynamics following different soil fertility management practices on a depleted sandy soil in Zimbabwe. Agric Ecosyst Environ 102:109-131
6. Franzel S (1999) Socio-economic factors affecting the adoption potential of improved tree fallows in Africa. Agrofor Syst 7:305-321
7. 2-fixation of herbaceous, shrub and tree legumes in improved fallows. Soil Boil Biochem 34:1059-1071
8. Giller KE (2001) Nitrogen fixation in tropical cropping systems, 2nd edn. CAB International, Wallingford, UK
9. Hassan RM, Murithi FM, Kamau G (1998) Determinants of fertilizer use and gap between farmer's maize and potential yields in Kenya. In: Hassan RM (ed) Maize technology development and transfer: a GIS application for research planning in Kenya. CAB International, Wallingford, UK, pp 137-178
10. Hoekstra DA, Corbett J (1995) Sustainable agricultural growth for the highlands of eastern and central Africa: prospects to 2020. Prepared for the International Food Policy Research Institute (IFPRI). ICRAF, Nairobi
11. Hudgens RE (2000) Sustainable soil fertility in Africa: the potential for legume green manures. Soil technologies for sustainable smallholder farming systems in East Africa. Proceedings of the 15th Conference of the Soil Science Society of East Africa, Nanyuki, Kenya, pp 63-78
12. Jama B, Swinkles RA, Roland BJ (1997) Agronomic and economic evaluation of organic and inorganic sources of phosphorus in Western Kenya. Agron J 89:597-604
13. 15N and non-isotopic methods. Plant Soil 239:277-289
14. 15N- labelling to estimate the total below-ground nitrogen of pasture legumes in intact soil-plant systems. Austr J Agric Res 48:295-304
15. Mureithi JG, Gachene CKK, Ojiem J (2003) The role of green manure Legumes in smallholder farming systems in Kenya: The Legume Research Network Project. Trop Subtropic Agroecosyst 1:57-70
16. 2 fixation by four tropical legumes. Soil Biol Biochem 36:1179-1190
17. Ojiem JO, de Ridder N, Vanlauwe B, Giller KE (2006) Socio-ecological niche: A conceptual framework for integration of legumes in smallholder farming systems. Int J Agric Sust 4:79-93
18. Ojiem JO (2006) Exploring socio-ecological niches for legumes in smallholder farming systems of Western Kenya. PhD Dissertation, Wageningen University, Wageningen
19. 2-fixation in experimental plots and farmers' fields. In: Rupela OP, Johansen C, Herridge DF (eds) Extending nitrogen fixation research to farmers' field: proceedings of the international workshop on managing legume nitrogen fixation in the cropping systems of Asia. ICRISAT, Hyderabad, India, pp 57-75
20. Peoples MB, Faizah AW, Rerkasem B, Herridge DF (eds) (1989) Methods for evaluating nitrogen fixation by nodulated legumes in the field. ICIAR Canberra, Australia
21. Peoples MB, Bowman AM, Gault RR, Herridge DF, McCallum MH, McCormick KM, Norton RM, Rochester IJ, Scammell GJ, Schwenke GD (2001) Factors regulating the contributions of fixed nitrogen by pasture and crop legumes to different farming systems of eastern Australia. Plant Soil 228:29-41
22. Peoples MB, Boddey RM, Herridge DF (2002) Quantification of nitrogen fixation. In: Leigh GJ (ed.) Nitrogen fixation at the millennium. Elsevier Science, Amsterdam, The Netherlands, pp 357-389
23. Ruthenberg H (1980) Farming systems in the tropics, 3rd edn. Clarendon Press, Oxford, UK
24. Sanchez PA, Shepherd KD, Soule MJ, Place FM, Buresh RJ, Izac AMN, Mokwunye AU, Kwesiga FR, Nderitu CG, Woomer PL (1997) Soil fertility replenishment in Africa: an investment in natural resource capital. In: Buresh RJ, Sanchez PA, Calhoun FG (eds) Replenishing soil fertility in Africa. Soil Science Society of America, Madison, WI, USA, pp 1-46
25. 15N abundance. Aust J Plant Phys 13:699-756
26. Smaling EMA, Braun AR (1996) Soil fertility research in sub-Saharan Africa: new dimensions, new challenges. Comm Soil Sc Plant Anal 27:365-386
27. Tarawali G, Manyong VM, Carsky RJ, Vissoh PV, Osei-Bonsu P, Galiba M (1999) Adoption of improved fallows in West Africa: lessons from mucuna and stylo case studies. Agrofor Syst 47:93-122
28. Tittonell P, Vanlauwe B, Leffelaar PA, Rowe EC, Giller KE (2005a) Exploring diversity in soil fertility management of smallholder farms in western Kenya. I. Heterogeneity at region and farm scale. Agric Ecosyst Environ 110:149-165
29. Tittonell P, Vanlauwe B, Leffelaar PA, Shepherd KD, Giller KE (2005b) Exploring diversity in soil fertility management of smallholder farms in Western Kenya II. Within-farm variability in resource allocation, nutrient flows and soil fertility status. Agric Ecosyst Environ 110:166-184