On-Farm Productivity of Relay-Cropped Mucuna and Lablab in Smallholder Crop-Livestock Systems in Northwestern Kenya

REFERENCES

• Adjorlolo , L. K. , Amaning-Kwarteng , K. and Fianu , F. K. 2001 . In vivo digestibility and effect of supplemental mucuna forage on treated rice straw degradation. . Small Rumin. Res. , 41 : 239 – 245 .
   Google Scholar
• Agyemang , K. , Oikike , I. , Makun , J. H. and Magaji , S. O. 2000 . Trade-offs between forage yields and feed quality of Lablab purpureus and milk yields in relation to planting and harvesting schedules. . Exp. Agric. , 36 : 435 – 451 .
   Google Scholar
• Anderson , J. M. and Ingram , J. S.E. 1993 . Tropical soil biology and fertility: A handbook of methods, , 2nd ed. CAB International, Wallingford, UK
   Google Scholar
• Chambers , R. 1997 . Whose reality counts? Putting the first last. , London, , UK : Intermediate Technology Publications .
   Google Scholar
• FAO-UNESCO . 1994 . Soil map of the world. Revised legend. , Rome, Wageningen, , The Netherlands : FAO, ISRIC . Technical paper No 20.
   Google Scholar
• Franzluebbers , K. , Hassner , L. R. and Juo , S. R. 1998 . Integrated nutrient management for sustained crop production in sub-Saharan Africa (a review). Soil Management CRSP, TropSoils/TAMU Tech. Bull. No. 98-03. Texas A&M University, College Station, TX, USA
   Google Scholar
• Hildebrand , P. E. 1996 . Adaptability analysis: A method for the design, analysis, and interpretation of on-farm research-extension , 1st edition , Ames, IA : Iowa State University Press .
   Google Scholar
• Hulugalle , N. R. , Larsen , D. L. and Henggeler , S. 1996 . Effect of broad beds and dolichos residue management on properties of an irrigated vertisol. . Soil Technol. , 8 : 275 – 286 .
   Google Scholar
• Kolawole , G. O. and Kang , B. T. 1997 . Effects of seed size and phosphorus fertilization on growth of selected legumes. . Commun. Soil Sci. Plant Anal. , 28 : 1223 – 1235 .
   Web of Science ®Google Scholar
• Lekasi , J. K. , Tanner , J. C. , Kimani , S. K. and Harris , P. J.C. 2003 . Cattle manure quality in Maragua District, central Kenya: Effect of management practices and development of simple methods of assessment. . Agric. Ecosyst. Environ. , 94 : 289 – 298 .
   Google Scholar
• Moore , J. E. and Mott , G. O. 1974 . Recovery of residual organic matter from in vitro digestion of forages. . J. Dairy Sci. , 57 : 1258 – 1259 .
   Web of Science ®Google Scholar
• Muhr , L. , Tarawali , S. A. , Peters , M. and Schultze-Kraft , R. 2001 . Acceptability of forage legumes for improved fallows-First experiences of agro-pastoralists in sub-humid southwest Nigeria. . Expl. Agric. , 37 : 495 – 507 .
   Web of Science ®Google Scholar
• Muyekho , F. N. , Mbugua , J. , Karani , L. , Wekesa , D. , Apongo , J. and Musuya , J. 1998 . “ The farming systems of Tumaini farm, Kaplamai Division: Summary from community-based activities. ” . In Participatory rural appraisal of the farming systems of the north of Rift Valley Province, Kenya, 1995 - 1997 , Edited by: Rees , D. , Nkonge , C. , Wandera , J. L. , Manson , V. I. and Muyekho , F. 1 – 10 . Kitale, , Kenya : KARI .
   Google Scholar
• Nyambati , E. M. 1997 . “ Dairy cattle research achievements, feeding practices, constraints and strategies for future research. ” . In A review of agricultural practices and constraints in the north of Rift Valley Province, Kitale, Kenya. , Edited by: Rees , D. , Nkonge , C. and Wandera , J. L. 188 – 201 . Kitale, , Kenya : Kenya Agric. Res. Inst. .
   Google Scholar
• Nyambati , E. M. and Sollenberger , L. E. 2003 . Nutritive value of top-canopy herbage of Mucuna Lablab relay cropped in maize in the sub-humid highlands of northwestern Kenya. . Tropical & Subtropical Agroecosystems. , 1 : 81 – 86 .
   Google Scholar
• Nyambati , E. M. , Sollenberger , L. E. , Hiebsch , C. K. , Sylvia , D. M. and Rono , S. C. 2001 . “ Nitrogen contribution from relay-cropped mucuna and lablab to succeeding maize in the sub-humid highlands of Kenya. ” . In Agron. Abstr. CD-ROM, a06-sollenberger 142348-0
   Google Scholar
• Nyambati , E. M. , Sollenberger , L. E. and Kunkle , W. E. 2003 . Feed intake and lactation performance of dairy cows offered napiergrass supplemented with legume hay. . Livestock Prod. Sci. , 83 : 179 – 189 .
   Google Scholar
• Palm , C. A. , Myers , R. J.K. and Nandwa , S. M. 1997 . “ Combined use of organic and inorganic nutrient sources for soil fertility maintenance and replenishment. ” . In Replenishing soil fertility in Africa. Edited by: Buresh , R. J. , Sanchez , P. A. and Calhoun , F. 193 – 215 . SSSA Spec. Publ. No. 51. SSSA, Madison, WI
   Google Scholar
• Parkinson , J. A. and Allen , S. E. 1975 . A wet oxidation procedure suitable for the determination of nitrogen and mineral nutrients in biological materials. . Commun. Soil Sci. Plant Anal. , 6 : 1 – 11 .
   Web of Science ®Google Scholar
• SAS (Statistical Analysis Systems Institute) . 2001 . SAS User's Guide. , NC, , USA : Cary .
   Google Scholar
• Swift , M. J. , Seward , P. D. , Frost , P. G.H. , Quresh , J. N. and Muchena , F. N. 1994 . “ Long-term experiments in Africa: developing a data-base for sustainable land use under global change. ” . In Long-term experiments in agricultural and ecological sciences. , Edited by: Leigh , R. A. and Johnson , A. E. 229 – 251 . Wallingford, , UK : CAB Int. .
   Google Scholar
• Thomas , D. and Sumberg , J. E. 1995 . A review of the evaluation and use of tropical forage legumes in sub-Saharan Africa. . Agric. Ecosys. Environ. , 54 : 151 – 163 .
   Web of Science ®Google Scholar
• Tian , G. , Kalawole , G. O. , Kang , B. T. and Kirchhof , G. 2000 . Nitrogen fertilizer replacement indexes of legume cover crops in the derived savanna of West Africa. . Plant Soil. , 224 : 287 – 296 .
   Web of Science ®Google Scholar
• Tilley , J. M. A. and Terry , R. A. 1963 . A two stage technique for the in-vitro digestion of forage crops. . J. Br. Grassl. Soc. , 18 : 104 – 111 .
   Google Scholar
• Van Soest , P. J. , Robertson , J. B. and Lewis , B. A. 1991 . Methods for dietary fiber, neutral detergent fiber, and nonstarch polysaccharides in relation to animal nutrition. . J. Dairy Sci. , 74 : 3583 – 3597 .
   PubMed Web of Science ®Google Scholar
• Versteeg , M. N. , Amadji , F. , Eteka , A. , Gogan , A. and Koudokpon , V. 1998 . Farmers' adoptability of Mucuna fallowing and agroforestry technologies in the coastal savanna of Benin. . Agric. Syst. , 56 : 269 – 287 .
   Web of Science ®Google Scholar
• Wortmann , C. S. , McIntyre , B. D. and Kaizzi , C. K. 2000 . Annual soil improving legumes: agronomic effectiveness, nutrient uptake, nitrogen fixation and water use. . Field Crops Res. , 68 : 75 – 83 .
   Web of Science ®Google Scholar