Publications


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Prof. Karanja Nancy K. N. Publications
12018Enhancing Soil Organic Carbon, Particulate Organic Carbon And Microbial Biomass In Semi-arid Rangeland Using Pasture Enclosures
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22018Pasture Enclosures Increase Soil Carbon Dioxide Flux Rate In Semiarid Rangeland, Kenya.
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32014Effect Of Different Cover Crop Residues, Management Practices On Soil Moisture Content Under A Tomato Crop(lycopersicon Esculentum).
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42013Charcoal Production And Strategies To Enhance Its Sustainability In Kenya
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52013Real Or Perceived: The Environmental Health Risks Of Urban Sack Gardening In Kibera Slums Of Nairobi, Kenya
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62013Urban Agriculture, Social Capital, And Food Security In The Kibera Slums Of Nairobi, Kenya
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72013Health In Perspective: Framing Motivational Factors For Personal Sanitation In Urban Slums In Nairobi, Kenya, Using Anchored Best-worst Scaling
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82013Means-end Chain Analysis Explains Soil Fertility Management Decisions By Peri-urban Vegetable Growers In Kenya
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92012Urban Agriculture, Social Capital And Food Security In The Kibera Slums Of Nairobi, Kenya
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102012Anchored Vs. Relative Best–worst Scaling And Latent Class Vs. Hierarchical Bayesian Analysis Of Best–worst Choice Data: Investigating The Importance Of Food Quality Attributes In A Developing Country
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112012EFFECTS OF SOIL FERTILITY MANAGEMENT PRACTICES ON SOIL AGGREGATION, CARBON AND NITROGEN DYNAMICS
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122012Means-End Chain Approach To Understanding Farmers’ Motivations For Pesticide Use In Leafy Vegetables: The Case Of Kale In Peri-urban Nairobi, Kenya
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132012Soil Hydraulic Properties Of A Nitisol In Kabete, Kenya
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142012Role Of Farmers’ Personal Values In Soil Fertility Management Decisions: Evidence From Means-End Chain Analysis Of Peri-urban Leafy Vegetable Production In Kenya
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152011The Potential Of Bacillus Subtilis And Rhizobium Leguminosarum In Controlling Plant-parasitic Nematodes In Farmers’ Fields
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162011Production And Use Of Rhizobial Inoculants In Africa
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172011Gender Mainstreaming In Organisational Culture And Agricultural Research Processes
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182010Assessment Of Environmental And Public Health Hazards In Wastewater Used For Urban Agriculture In Nairobi, Kenya
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192010Recycling Nutrients From OrganicWastes In Kenya’s Capital City
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202010Two-Year Results From A Multi-Site Randomized Trial Of A Commercial Weight Loss Program
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212009A Trans-disciplinary Study On The Health Risks Of Cryptosporidiosis From Dairy Systems In Dagoretti, Nairobi, Kenya: Study Background And Farming System Characteristics
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222009Soil Macrofauna Community Structure Across Land Use Systems Of Taita, Kenya
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232009Risks Associated With Urban Wastewater Irrigation And Production Of Traditional African Vegetable (TAVs) Seeds In Nairobi, Kenya
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242008Rurunga Venant,Karanja,Nancy K.and Gachene ,cCharles K.K.(2008) Six Month-duration Tephrosia Vogelii Hook.f. And Tithonia Diversifolia (Hemsl.) A.Gray Planted
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252008Tree Species Composition And Spacing In Agroforestry System Of Embu District, Kenya
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262007Soil Fauna Community Structure Across Land Manage Ment Systems Of Kenya And Tanzania.
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272006Gichangi EM, NK Karanja And CW Wood. Composting Cattle Manure From Zero Graziing Systems With Agro-organic Waste To Minimise Nitrogen Losses In Smallholder Farms In Kenya. Tropical And Subtropical Agro Ecosystems 2006 (6)
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282006Erastus Kangethe, Alice Njeru, Nancy Karanja, Mary Njenga, Kuria Gathuru And Anthony Karanja. Assessment Of Benefits And Selected Health Risks Associated With Livestock Rearing In Nakuru, Kenya. In Urban Agriculture In Sub-Sahara Africa-20 Years On. Gordo
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292006N.K. Karanja, F.O. Ayuke And M.J. Swift. Organic Resources Quality And Soil Fauna: Their Role On Microbial Biomass, Decomposition And Nutrient Release Patterns In Kenyan Soils. Tropical And Sub-tropical Ecosystems 2006(6)
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302006Nancy Karanja, Mary Njenga, Kuria Gathuru And Anthony Karanja. Urban Agriculture And Livestock Keeping In Nakuru: A Scoping Study On Crop-Livestock- Waste Interactions.In Urban Agriculture In Sub-Sahara Africa-20 Years On: Case Studies And Perspectives .
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312006Erastus Kangethe, Alice Njeru, Nancy Karanja, Mary Njenga, Kuria Gathuru And Anthony Karanja. Assessment Of Benefits And Selected Health Risks Associated With Livestock Rearing In Nakuru, Kenya. In Urban Agriculture In Sub-Sahara Africa-20 Years On. Gordo
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322006Mumbi Kimathi., Michael Mbaka , Nancy Karanja, Mary Njenga And Mary Kamore. Viable Market Opportunities And Threats For Urban And Peri- Urban Farmers: A Case 11 Of Nairobi, Kenya. In Urban Agriculture In Sub-Sahara Africa-20 Years On. Gordon Prain, Nancy
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332006Mary Njenga, Stephen Kimani, Dannie Romney ,Nancy Karanja. Nutrient Recovery From Solid Waste And Linkage To Urban And Peri- Urban Agriculture In Nairobi, Kenya In Urban Agriculture In Sub-Sahara Africa-20 Years On. Gordon Prain, Nancy Karanja And Dian Le
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342006The African Green Revolution And The Role Of Partnerships In East Africa
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352005F.O. Ayuke, M.R. Rao, M.L. Opondo-Mbai, M.J. Swift And N.K. Karanja. Diversity And Abundance Of Soil Invertebrate Fauna In Relation To Quality Of Organic Residues (Submitted To Tropical And Sub-tropical Ecosystems, April 2005).
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362005Simulation Study To Assess The Potential Of Selected Agro-organic Wastes For Ability To Reduce N Volatilization From Cow Manure. Tropical And Subtropical Agroecosystems, 5: 25-31
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372005N.K. Karanja, E. M. Gichangi And C. W. Wood. 2005. Simulation Study To Assess The Potential Of Selected Agro-organic Wastes For Ability To Reduce N Volatilization From Cow Manure. Tropical And Subtropical Agroecosystems, 5: 25-31
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382005The Potential Of Agro-organic Wastes To Reduce Nitrogen Losses From Cattle Manure Used By Smallholder Farmers In The Central Kenyan Highlands.
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392004Effect Of Phosphate Rock Fertilization And Arbuscular Mycorrhizae (am) Inoculation On Growth And Nodulation Of Agro Forestry Tree Seedlings. West Africa Journal Of Applied Ecology, Vol. 6:55
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402004Assessing The Role Of Organic Soil Amendments In Management Of Root Knot Nematodes On Common Bean, Phaseolus Vulgaris L. J. Trop. Microbiol. 2004, 3:14-23.
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412004Diversity And Abundance Of Nematodes In Agro Ecosystems Of Kenya . J. Trop. Microbiol. 2004, 3:24-33.
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422004The Diversity Of Biological Nitrogen Fixing Systems In Kenya. J. Trop. Microbiol. 2004, 3:35-47
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432004The Effect Of Tithonia Diversifolia (Hemsley) A. Gray Biomass On The Solubility Of Rock Phosphates: A Laboratory Incubation Experiment. Tropical And Subtropical Agro Ecosystems.
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442004Assessing The Ability Of Two Soil Types In The Removal And Retention Of N And P Nutrients From Fish Pond Effluents. Tropical And Subtropical Agroecosystems, 4:75-83.
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452004N.K. Karanja, K.A. Mwendwa, J.R. Okalebo, J.H.P Kahindi. 2004. Effect Of Phosphate Rock Fertilization And Arbuscular Mycorrhizae (am) Inoculation On Growth And Nodulation Of Agro Forestry Tree Seedlings. West Africa Journal Of Applied Ecology, Vol. 6:55
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462004Kimenju, J.W., Muiru, D.M., Karanja, N.K., Nyongesa.W.M., Miano, D.W. And Mutua, G.K.2004. Assessing The Role Of Organic Soil Amendments In Management Of Root Knot Nematodes On Common Bean, Phaseolus Vulgaris L. J. Trop. Microbiol. 2004, 3:14-23
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472004Kahindi, J.H.P., N.K. Karanja., D. Odee And F.B. Mwaura. 2004. The Diversity Of Biological Nitrogen Fixing Systems In Kenya. J. Trop. Microbiol. 2004, 3:35-47
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482004Karanja, N.K., C.K.K. Gachene, I. Savini And P.C. Smithson. 2004. The Effect Of Tithonia Diversifolia (Hemsley) A. Gray Biomass On The Solubility Of Rock Phosphates: A Laboratory Incubation Experiment. Tropical And Subtropical Agro Ecosystems
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492004Bernard Muganda Meso, Wes Wood, Nancy K. Karanja, Paul L Woomer, S. M.Kinyali And Karen Veverica. 2004. Assessing The Ability Of Two Soil Types In The Removal And Retention Of N And P Nutrients From Fish Pond Effluents. Tropical And Subtropical Agroecosys
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502003Use Of Pond Effluents Of Different Nutrient Levels For Irrigation Of Tomatoes And French Beans At The Sagana Fish Ponds, Kenya.. Communications In Soil Science And Plant Analysis Journal, 35 (7-8): 1021- 1031.
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512003Grain Maize Yield Improvement Using Tephrosia Vogelii And Tithonia Diversifolia Biomass At Maseno, Kenya. Tropical And Subtropical Agroecosystems, Vol. 2: 1-11
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522003Nancy K.Karanja, John W.Kimenju, Isaac Macharia And David M. Muiru 2003. Plant Parasitic Nematodes Associated With Common Bean (Phaseolus Vulgaris L.) And Integrated Management Approaches. In
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532003Bernard Muganda Meso, Wes Wood, Nancy K. Karanja, P.L. Woomer, S.M. Kinyali And Karen Veverica, 2003. Use Of Pond Effluents Of Different Nutrient Levels For Irrigation Of Tomatoes And French Beans At The Sagana Fish Ponds, Kenya.. Communications In Soil S
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542003V. Rutunga, C.K.K. Gachene, N.K. Karanja And C.A. Palm, 2003 Grain Maize Yield Improvement Using Tephrosia Vogelii And Tithonia Diversifolia Biomass At Maseno, Kenya. Tropical And Subtropical Agroecosystems, Vol. 2: 1-11
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552003Nancy K.Karanja, John W.Kimenju, Isaac Macharia And David M. Muiru 2003. Plant Parasitic Nematodes Associated With Common Bean (Phaseolus Vulgaris L.) And Integrated Management Approaches. In
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562003Karanja, N.K., K.A. Mwendwa, J. R. Okalebo And F. Zapata. 2003. Effects Of Phosphate Rock Fertilization And Arbuscular Mycorrhizae Inoculation On Growth Of Agroforestry Tree Seedlings. In: S.S. Rajan And H.S. Chien (eds.). Direct Application Of Phosphate
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572003J. R. Okalebo, N.K. Karanja, H.K. Maritim, PL. Woomer, P.A. Obura, P. Nekesa And F. 13 Mwaura. 2003. Nutrient Replenishment In Small Holder Farms Of Western Kenya Using The
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582003Grain Maize Yield Improvement Using Tephrosia Vogelii And Tithonia Diversifolia Biomass At Maseno, Kenya
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592003Potential Rotation Crops And Cropping Cycles For Root-knot (Meloidogyne Spp.) Nematode Control In Tomato
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602002Karanja, N.K. And Kahindi, J.H.P. 2002. Agricultural Biotechnology, In Biotechnology (Eds. E. DaSilva And H.W. Doelle) Pp12. ENCYCLOPEDIA OF LIFE SUPPORT SYSTEMS. EOLSS Publishers Co. Ltd. Oxford, UK, 2002 (also On Www.oels.net).
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612002Khisa, P., Gachene, C.K.K., Karanja, N.K. And Mureithi, J.G. 2002. The Effect Of Post-harvest Crop Cover On Soil Erosion In A Maize-legume Based Cropping System In Gatanga, Kenya. Journal Of Agriculture In The Tropics And Subtropics, Vol 103, Pp 17-28
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622002Kahindi, J.H.P. And Karanja, N.K. 2002. Biological Nitrogen Fixation Technology, In Biotechnology (Eds. E. DaSilva And H.W. Doelle) Pp 21. ENCYCLOPEDIA OF LIFE SUPPORT SYSTEMS. EOLSS Publishers Co. Ltd. Oxford, UK, 2002 (also On Www.oels.net)
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632002Karanja, N.K. And Kahindi, J.H.P. 2002. Agricultural Biotechnology, In Biotechnology (Eds. E. DaSilva And H.W. Doelle) Pp12. ENCYCLOPEDIA OF LIFE SUPPORT SYSTEMS. EOLSS Publishers Co. Ltd. Oxford, UK, 2002 (also On Www.oels.net)
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642002Karanja, N.K., K.A. Mwendwa, And F. Zapata. 2002. Response Of Seedling Of Grevillea Robusta A Cunn To Phosphorus Fertilization In Acid Soils From Kenya. In: Assessment Of Soil Phosphorus Status And Management Of Phosphatic Fertilizers To Optimise Crop Pro
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652002N.K. Karanja And K.A. Mwendwa, 2002. Evaluation Of Phosphorus Uptake From Minjingu Phosphate Rock, Growth And Nodulation Of Agroforestry Tree Species In An Acid Soil From Kenya. In: Assessment Of Soil Phosphorus Status And Management Of Phosphatic Fertili
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662002Ang
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672002Mwendwa, W. Eason, N.Karanja, V. Rutunga, J. Roberts, F. Zapata And D.O. Nyamai. 2002. Estimation Of N2- Fixation In Phosphorus- Fertilised Leucaena Leucocphala And G. Sepium Seedlings Using S. Siamea And E.grandis As Reference Tree
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682002Karanja, S. Wangaruro And B.M. Anyango, 2002. Performance Of Indigenous Bradyrhizobia Strains Isolated From Kenyan Soils
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692002J.R. Okalebo, N.K. Karanja, H.K. Maritim, P.L. Woomer, P.A. Obura, P. Nekesa And F. Mwaura, 2002. Nutrient Replenishment In Smallhold Farms Of Western Kenya Using The
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702002Agrotechnological Transfer Of Legume Inoculants In Eastern And Southern Africa
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712002Integrated Management Of Plant-parasitic Nematodes In Maize-bean Cropping Systems
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722002Nutrient Replenishment In Smallhold Farms Of Western Kenya
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732002Performance Of Zea Mays Grown Under Short Term Duration Fallow Systems
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742001Venant Rutunga, Nancy K. Karanja And Charles K.K. Gachene, 2001. Decomposition Rates Of Biomass From Six Month-old Tephrosia Vogelii, Tithonia Diversifolia And Natural Fallow Vegetation At Maseno, Kenya. Biological Agriculture And Horticulture. 19: 49-62
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752001P.L. Woomer, N.K. Karanja And E.W. Murage, 2001. Estimating Total System Carbon In Smallhold Farming Systems In East African Highlands. In (R. Lal, J.M. Kimble, R.F. Follet And B.A. Stewart, Eds). Assessment Methods For Soil Carbon - Advances In Soil Scie
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762001Estimating Total System Carbon In Smallhold Farming Systems In East African Highlands.
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772000Nancy Karanja, J. Freire, M. Gueye And E. DaSilva, 2000. MIRCEN Networking: Capacity-building And BNF Technology Transfer In Africa And Latin America. AgBiotechNet (ABNO41) 2, 1-5.
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782000Evah W. Murage, Nancy K. Karanja, Paul C. Smithson And Paul L. Woomer, 2000. Diagnostic Indicators Of Soil Quality In Productive And Non-productive Smallholders
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792000Nancy Karanja, J. Freire, M. Gueye And E. DaSilva, 2000. MIRCEN Networking: Capacity-building And BNF Technology Transfer In Africa And Latin America. AgBiotechNet (ABNO41) 2, 1-5
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802000Evah W. Murage, Nancy K. Karanja, Paul C. Smithson And Paul L. Woomer, 2000. Diagnostic Indicators Of Soil Quality In Productive And Non-productive Smallholders
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812000Gachene, C.K.K., Karanja, N.K., Mureithi, J.G., 2000. Effect Of Soil Erosion On Soil Productivity Using Green Manure Cover Crops: Data Summary Of A Long-term Field Trial. LRNP Newsletter Issue No. 4, NARL-KARI Pp 11-13
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822000Khisa, P.W., Gachene, C.K.K., Karanja, N.K. And Mureithi, J.G, 2000. Soil And Nutrient Losses Due To Erosion In A Maize-legume Based Cropping System In Central Kenya
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832000Kimenju, J.W. And Karanja, N.K, 2000. Nematodes Associated With Beans And The Response Of Bean Germplasm To Meloidogyne Ineognita
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842000Macharia, I, Kimenju, J.W., Karanja, N.K. And Mutitu, E.W, 2000. Effect Of Bacillus Spp. On Root Knot Nematode Population And Galling In Beans
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852000Sande, S.O., Ogol, K.P, Woomer, P. And Karanja, N.K, 2000. The Influence Of Soil Fertility Management Practises On Population Sizes Of Soil Fauna In Central Highlands Of Kenya
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862000Nancy K. Karanja And Paul. L. Woomer, 2000. Legume Inoculation And Overcoming Constraints To Inoculant Use: Activities Of The Rhizobium Ecology Network Of East And Southern Africa (Abstract)
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872000Diagnostic Indicators Of Soil Quality In Productive And Non-productive Smallholders
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882000MIRCEN Networking: Capacity-building And BNF Technology Transfer In Africa And Latin America.
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892000Physico-chemical Properties, Initial Microbial Population And Survival Of Rhizobia In Peat, Vermi¬culite And Filtermud
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902000Returning Land Back To Productivity: The Role Of Green Manure Cover Crops In Controlling Soil Erosion In Farmers Fields, Gatanga, Kenya
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911999P.L. Woomer, N.K. Karanja And J.R. Okalebo, 1999. Opportunities For Improving Integrated Nutrient Management By Smallhol Farmers In The Central Highlands Of Kenya. African Crop Science Journal 7 (4), 441-454
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921999J.W. Kimenju, N.K. Karanja And I. Macharia, 1999. Plant Parasitic Nematodes Associated With Common Bean In Kenya And The Effect Of Meloidogyne Infection On Bean Nodulation. African Crop Science Journal 7 (4), 489-497.
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931999Venant Rutunga, Nancy K. Karanja, Charles K.K. Gachene And Cheryl Palm, 1999. Biomass Production And Nutrient Accumulation By Tephrosia Vogelii (Hemsley) A. Gray And Thithonia Diversifolia Hook F. Fallows During The Six-month Growth Period At Maseno, West
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941999Jane, J. Kapkiyai, Nancy K. Karanja, Javaid N. Qureshi, Paul C. Smithson And Paul L. Woomer, 1999. Soil Organic Matter And Nutrient Dynamics In A Kenyan Nitisol Under Longterm Fertilizer And Organic Input Management. Soil Biol. And Biochem. 31, 1773-1782.
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951999P.L. Woomer, N.K. Karanja And J.R. Okalebo, 1999. Opportunities For Improving Integrated Nutrient Management By Smallhol Farmers In The Central Highlands Of Kenya. African Crop Science Journal 7 (4), 441-454
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961999J.W. Kimenju, N.K. Karanja And I. Macharia, 1999. Plant Parasitic Nematodes Associated With Common Bean In Kenya And The Effect Of Meloidogyne Infection On Bean Nodulation. African Crop Science Journal 7 (4), 489-497
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971999Venant Rutunga, Nancy K. Karanja, Charles K.K. Gachene And Cheryl Palm, 1999. Biomass Production And Nutrient Accumulation By Tephrosia Vogelii (Hemsley) A. Gray And Thithonia Diversifolia Hook F. Fallows During The Six-month Growth Period At Maseno, West
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981999Jane, J. Kapkiyai, Nancy K. Karanja, Javaid N. Qureshi, Paul C. Smithson And Paul L. Woomer, 1999. Soil Organic Matter And Nutrient Dynamics In A Kenyan Nitisol Under Longterm Fertilizer And Organic Input Management. Soil Biol. And Biochem. 31, 1773-1782
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991999Karanja, N.K., Mwendwa, K.A. And Zapata F.1999. Growth And Phosphorus Uptake Of Grevillea Robusta A. Cunn. For A Phosphate Fertilized Acid Soil. Biotechnol. Agron. Soc. Environ. 3 (1), 57-64
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1001999Mwendwa, K.A., Eason, W., Karanja, N.K., Zapata, J., Rutunga, V. And Roberts, J. 1999. Effect Of Phosphorus On Growth Of Four Agroforestr Tree Seedlings And N2-fixation Of 16 Leucena Leucocephala And Gliricidia Sepium
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1011999M.B. Meso, P.L. Woomer, N.K. Karanja, C.W. Wood And K.L. Veverica, 1999. Application Of Fish Pond Effluent To French Beans Through Drip Irrigation At Sagana, Kenya
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1021999Application Of Fish Pond Effluent To French Beans Through Drip Irrigation At Sagana, Kenya
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1031999Growth And Phosphorus Uptake Of Grevillea Robusta A. Cunn. For A Phosphate Fertilized Acid Soil. Biotechnol. Agron.
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1041999Opportunities For Improving Integrated Nutrient Management By Smallhol Farmers In The Central Highlands Of Kenya.
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1051998Woomer, P.L., Mateete A. Bekunda, Nancy K. Karanja, Thomas Moorehouse And Robert Okalebo, 1998. Agricultural Resource Management By Smallholder Farmers In East Africa. Nature And Resources, UNESCO Journal On The Environmental And Natural Resources Researc
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1061998Woomer P.L., J.H.P. Kahindi And N.K. Karanja, 1998. Nirogen Replenishment In The East African Highlands Through Biological Nitrogen Fixation And Legume Inoculation. Agronomie Africaine (Special Issue) No. 1, 387-413.
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1071998Venant Rutunga, Kurt G. Steiner, Nancy K. Karanja, Charles K.K. Gachene And Gre
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1081998Kapkiyai J.J., Karanja, N.K., Woomer P.L. And Qureshi, J.N. 1998. Soil Organic Carbon Fractions In A Long-term Experiment And The Potential For Their Use As A Diagnostic Assay In Highland Farming Systems Of Central Kenya Highlands. African Crop Science Jo
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1091998Mwendwa, K.A., N.K. Karanja, F. Zapata And S.W. Maingi 1997/1998. Evaluation Of Phosphorus Uptake From Minjingu Phosphate Rock And Growth Of Six Agroforestry Species On An Acid Soils From Western Kenya. Int. J. Of Biochem Physics, Vol. 6&7 (1&2), 79-85.
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1101998Karanja, N.K. And Wood, M. 1988a. Selecting Rhizobium Phaseoli Strains For Use With Beans (Phaseolus Vulgaris L.) In Kenya . I. Ineffectiveness And Tolerance Of Acidity And Aluminium. Plant And Soil, 112, 7-13.
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1111998Karuku, G.N., J.J. Odhiambo And B.O. Mochoge (1998). Nitrogen Mineralization Potential ((No), Mineralization Rate Constant (K) And Time Taken For Half Of The Mineralizable Nitrogen To Be Mineralized In Four Kenya Soils (Luvisols, Andosols, Ferralsols And
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1121998Karuku, G.N., (1998). Preparation And Planning Of Excursion And Study Tours For Science Students. Paper Presented To Teachers Of Nairobi Province Science Congress Committee, Aga Khan High School, 1998.
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1131998Woomer, P.L., Mateete A. Bekunda, Nancy K. Karanja, Thomas Moorehouse And Robert Okalebo, 1998. Agricultural Resource Management By Smallholder Farmers In East Africa. Nature And Resources, UNESCO Journal On The Environmental And Natural Resources Researc
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1141998Woomer P.L., J.H.P. Kahindi And N.K. Karanja, 1998. Nirogen Replenishment In The East African Highlands Through Biological Nitrogen Fixation And Legume Inoculation. Agronomie Africaine (Special Issue) No. 1, 387-413
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1151998Venant Rutunga, Kurt G. Steiner, Nancy K. Karanja, Charles K.K. Gachene And Gre
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1161998Kapkiyai J.J., Karanja, N.K., Woomer P.L. And Qureshi, J.N. 1998. Soil Organic Carbon Fractions In A Long-term Experiment And The Potential For Their Use As A Diagnostic Assay In Highland Farming Systems Of Central Kenya Highlands. African Crop Science Jo
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1171998Mwendwa, K.A., N.K. Karanja, F. Zapata And S.W. Maingi 1997/1998. Evaluation Of Phosphorus Uptake From Minjingu Phosphate Rock And Growth Of Six Agroforestry Species On An Acid Soils From Western Kenya. Int. J. Of Biochem Physics, Vol. 6&7 (1&2), 79-85
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1181998S. Wangaruro, N.K. Karanja, E.T. Makatiani, D.W. Odee And P.L. Woomer, 1998. Chemical Properties, Initial Microbial Populations And Survival Of Rhizobia In Peat, 14 Vermiculite And Filtermud. (eds. S.M. Mpepereki And F.I. Makonese). Pp 160-164. In Harness
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1191998S.K. Kimani, B.A. Osborne, C.J. Pilbeam, M. Wood And N.K. Karanja, 1998. Agricultural Production In Semi-arid Regions: Use Of Legume-based Mixed Cropping Systems In Kenya. (eds. S.M. Mpepereki And F.I. Makonese) Pp. 207-209. In Harvessing Biological Nitro
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1201998Karanja, Nancy K. And P.L. Woomer, 1998. Legume Response To Rhizobia Inoculation And Farmer Awareness Of Inoculants In East And Southern Africa. (eds. J.A. Brink And B.A. Prior) Pp. 76-91. UNESCO/BAC BETCEN: African Agricultural Research Council Pretoria,
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1211998N.K. Karanja, A.K. Mwala, J.P. Kahindi And P.L. Woomer, 1998. The East African Rhizobium MIRCEN: A Review Of The Progress In Research, Training And Information Dissemination. (ed. F.D. Dakora) Pp 101-102
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1221998Mwala, A.K. And N.K. Karanja, 1998. Effects Of Rock Phosphate Fertilizer, Rhizobium Inoculation And VA-mycorrhizae On Nodulation And Growth Of Soyabeans (Glycine Max L.) Grown On Humic Nitosol. (ed. F.D. Dakora) Pp 160-161
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1231998Mwendwa, A.K., Eason W., N.K. Karanja, V. Rutunga, Roberts, J., Zapata F. And Nyamai, D.O. 1998. Estimation Of N2-Fixation In Phosporus Fertilized Leucaena Leucocephala And Gliricidia Sepium Seedlings Using Senna Siamea And Eucalyptus Grandis As Reference
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1241998Continuous Fertilization On Non-humiferous Acid Oxisols In Rwanda "Plateau Central": Soil Chemical Changes And Plant Production
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1251998Estimation Of The Effects Of No3-n On Nodulation, Dry Matter Yield And N2 Fixed By Calliandra Calothyrsus
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1261997Woomer, P.L., N.K. Karanja, E.I. Mekki, B. Mwakalombe, H. Tembo, M. Nyika, M. Silver, C. Nkwiine, P.N. Ndakindemi And G. Msumali, 1997. Indigenous Populations Of Rhizobia, Legume Response To Inoculation And Farmer Awareness Of Inoculants In East And South
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1271997Karanja, N.K., A.K. Mwala, P.L. Woomer And R.W. Haru, 1997. Response Of Glycine Max And Phaseolus Vulgaris To Rhizobia Inoculation, Nitrogen And Phosphorus Fertilization In Kenya. (eds E. Adipala, J.S. Tenywa And M.W. Ogenga-Latigo)
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1281997Agricultural Intensification, Soil Biodiversity And Ecosystem Function In The Tropics: The Role Of Nitrogen-fixing Bacteria
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1291996Risper Amolo And Nancy Karanja, 1996 Nitrogen Mineralization From Cattle Manure, Filtermud, Factory Ash And Nitrogen Uptake By Maize (Zea Mays) In A Glasshouse Experiment. East Afric. Agric. And For. J. 62 (1) In Press.
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1301996David Kamweti, Ratema Michieka And Nancy Karanja, 1996. Tree Species Composition And Spacing In Agroforestry Systems Of Embu District, Kenya. E. Afric. Agric. And For. J. 63:1 (in Press).
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1311996Kinyali, S.M., G.N. Karuku And S.K. Tirop, (1996). Impact Of Siltation Problems On Fish Production In Lake Baringo, Baringo District, Kenya. EAAFRO Journal.
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1321996Kinyali, S.M., G.N. Karuku, P.M. Mainga And S.K. Tirop, (1996). Rainwater Harvesting By Run Off Inducement For Irrigation For Maize Production In A Semi-arid Climate, Baringo District, Kenya. EAAFRO Journal.
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1331995Kahindi, J.H.P.,Woomer, P.L., T. George, F.M. De Souza, Moreira, N.K. Karanja And K.E. Giller, 1995. Agricultural Intensification, Soil Biodiversity And Ecosystem Function: The Role Of Nitrogen Fixing Bacteria. Applied Soil Ecology, 6 (1), 55-76.
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1341995Marufu, L., Karanja, N.K. And Ryder, M. 1995. Legume Inoculant Production And Use In Eastern And Southern Africa. Soil Biol. Biochem., 27 (4/5), 735-738.
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1351995Karanja, N.K., Woomer, P.L. And Wangaruro, S. 1995. Indigenous Rhizobia Populations In East And Southern Africa: A Network Approach. In: Microbial Diversity And Ecosystem Function. (eds. D. Allsopp, D.L. Harksworth And R.R. Colwell) Pp. 447 - 453. CABI. I
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1361995Kahindi, J.H.P.,Woomer, P.L., T. George, F.M. De Souza, Moreira, N.K. Karanja And K.E. Giller, 1995. Agricultural Intensification, Soil Biodiversity And Ecosystem Function: The Role Of Nitrogen Fixing Bacteria. Applied Soil Ecology, 6 (1), 55-76
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1371995Marufu, L., Karanja, N.K. And Ryder, M. 1995. Legume Inoculant Production And Use In Eastern And Southern Africa. Soil Biol. Biochem., 27 (4/5), 735-738
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1381995Karanja, N.K., Woomer, P.L. And Wangaruro, S. 1995. Indigenous Rhizobia Populations In East And Southern Africa: A Network Approach. In: Microbial Diversity And Ecosystem Function. (eds. D. Allsopp, D.L. Harksworth And R.R. Colwell) Pp. 447 - 453. CABI. I
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1391995Karanja, N.K.,1995. Contribution Of Biological Nitrogen Fixation Towards Food Production In Africa And Environmental Challenges
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1401995Karanja, N.K. And Mwendwa, A.K. 1995. Estimation Of Availability And Uptake Of P From Minjingu Rock Phosphate (MRP) By Six (6) Tree Species Growing On An Acid Soil Using The 32 P Isotope Dilution Technique
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1411995Contribution Of Biological Nitrogen Fixation Towards Food Production In Africa And Environmental Challenges
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1421994Karuku, G.N. (1994). Effects Of Mycorrhiza Inoculation On Growth Response, Mineral Nutrition And Nodulation Of Some Legumes. Paper Presented At The Institute Of Soil And Water, Volcani Centre, Bet Dagan, Israel, 23rd Nov 1994. Agricultural Resource Organi
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1431994Okalebo, J.R., Karanja, N.K., Woomer, P.L., Gathua, K.W. 1994. What Options Do Resource Poor Farmers Have To Conserve The Fertility Of Their Land? Trans
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1441994Mwendwa, A.K. And Karanja, N.K.,1994. Evaluation Of Availability And Uptake Of P From Rock Phosphate (RP) With Mycorrhizal Inoculation By Agroforestry Tree Species Growing On Two Acid Soils In Kenya
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1451994Response To Beans (Phaseolus Vulgaris L.) To Selected Rhizobium Phaseoli Strains On Acid Soils In Kenya.
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1461993Okalebo, J.R., Karanja, N.K., Gathua, K.W., Lekasi, J.K. And Woomer, P.L.,1993. The Use Of Manure And Fertilizer In Sustained Maize Production In Drylands Of Kenya
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1471992Karuku, G.N. And Knyali, S.M. (1992). Effects Of Soil, Vegetation And Land Use On Infiltration In Two Semi-arid Sub-locations (Sibilo And Loruk) In Baringo District. National Capacity Building For Child Survival And Development Workshop (funded By UNICEF)
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1481992Karanja, N.K. And Woomer, P.L., 1994. Response To Beans (Phaseolus Vulgaris L.) To Selected Rhizobium Phaseoli Strains On Acid Soils In Kenya. In: Biotechnology For Rapid Development
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1491991Karuku, G.N. And B.O. Mochoge (1991). Comparison Of Treatment Effects (lime, Nitrogen And Phosphorus Salts) On Nitrogen Mineralization In Three Kenya Soils (Luvisols, Andosols And Ferralsols). Paper Presented At The 11th AGM Of The SSSEA, Kampala, Uganda,
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1501990Karuku, G.N. And B.O. Mochoge (1990). Organic Nitrogen Fractions In Three Kenya Soils (Andosols, Luvisols And Ferralsols). Paper Presented At The 10th AM Of SSEA, Arusha, Tanzania, Dec., 1990.
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1511989Karanja, N.K. And Odee, D.,1989. The Use Of Biotechnology In Enhancement Of Nitrogen Fixation In Plants
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1521989Karanja, N.K. And Kibunja, C.N., 1989. Research Work On Biology Nitrogen Fixation Of Atmospheric Nitrogen
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1531989Angawa, J.A., Karanja, N.K. And Odee, D. 1998. Estimation Of The Effects Of NO3-N On Nodulation, Dry Matter Yield And N2 Fixed By Calliandra Calothyrsus. (ed. F.D. Dakora) Pp 6-7
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1541989The Use Of Biotechnology In Enhancement Of Nitrogen Fixation In Plants
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1551988Karanja, N.K. And Wood, M. 1988b. Selecting Rhizobium Phaseoli Strains For Use With Beans (Phaseolus Vulgaris L.) In Kenya. II. Screening For Tolerance Of High Temperature And Antibiotic Resistance . Plant And Soil, 112, 15-22
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1561988Selecting Rhizobium Phaseoli Strains For Use With Beans (Phaseolus Vulgaris L.) In Kenya . I. Ineffectiveness And Tolerance Of Acidity And Aluminium.
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1571985Karanja, N.K. And Wood, M. 1985. Selecting Suitable Reference Crop For Estimating Nfixation By Beans (Phaseolus Vulgaris L.) Using 15N Isotope Dilution Technique. Agric. And For. J. 56 (4).
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1581985Selecting Suitable Reference Crop For Estimating Nfixation By Beans (phaseolus Vulgaris L.) Using 15n Isotope Dilution Technique.
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1591982Ssali, H. And Mureria, N.K. 1982. Interaction Between Soil PH, Rhizobium Phaseoli Strains And Bean Variety. E. Afric. Agric. And For. J, 45 (1).
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1601982Arshad, M.A., Mureria, N.K., Keya, S.O. 1982. Effect Of Termite Activity On Soil Microflora. Pedobiologia 24, 161-167.
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1611982Interaction Between Soil Ph, Rhizobium Phaseoli Strains And Bean Variety.
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1621980N.K. Mureria, S.O. Keya And M.A. Arshad, 1980. Effects Of Termite Activity On Soil Microflora
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1631980N.K. Mureria, 1980. Activities Of Nairobi MIRCEN
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