| Partitioning the contributions of biochar properties to enhanced biological nitrogen fixation in common bean (Phaseolus vulgaris) DT Güereña, J Lehmann, JE Thies, A Enders, N Karanja, H Neufeldt Biology and fertility of soils 51, 479-491, 2015 | 118 | 2015 |
| Nitrogen and phosphorous uptake by potato (Solanum tuberosum L.) and their use efficiency under potato-legume intercropping systems HI Gitari, NN Karanja, CKK Gachene, S Kamau, K Sharma, ... Field Crops Research 222, 78-84, 2018 | 114 | 2018 |
| African urban harvest: agriculture in the cities of Cameroon, Kenya and Uganda G Prain, N Karanja, D See-Smith IDRC, Ottawa, ON, CA, 2010 | 98 | 2010 |
| Revisiting intercropping indices with respect to potato-legume intercropping systems HI Gitari, SO Nyawade, S Kamau, NN Karanja, CKK Gachene, MA Raza, ... Field Crops Research 258, 107957, 2020 | 97 | 2020 |
| Food health risk perceptions among consumers, farmers, and traders of leafy vegetables in Nairobi CJ Lagerkvist, S Hess, J Okello, H Hansson, N Karanja Food Policy 38, 92-104, 2013 | 95 | 2013 |
| Assessment of environmental and public health hazards in wastewater used for urban agriculture in Nairobi, Kenya GK Mutua, P Kinyari, C Githuku, G Kironchi, E Kang’ethe, G Prain, ... | 95 | 2010 |
| Controlling soil erosion in smallholder potato farming systems using legume intercrops SO Nyawade, CKK Gachene, NN Karanja, HI Gitari, ... Geoderma Regional 17, e00225, 2019 | 90 | 2019 |
| Short-term dynamics of soil organic matter fractions and microbial activity in smallholder potato-legume intercropping systems SO Nyawade, NN Karanja, CKK Gachene, HI Gitari, ... Applied Soil Ecology 142, 123-135, 2019 | 88 | 2019 |
| Charcoal Production and Strategies to Enhance its Sustainability in Kenya R Njenga, M., Karanja, N., Munster, C., Iiyama, M., Neufeldt, H., Kithinji ... Development in Practice 23 (3), 303-314, 2013 | 81* | 2013 |
| Optimizing yield and economic returns of rain-fed potato (Solanum tuberosum L.) through water conservation under potato-legume intercropping systems HI Gitari, CKK Gachene, NN Karanja, S Kamau, S Nyawade, K Sharma, ... Agricultural water management 208, 59-66, 2018 | 78 | 2018 |
| Soil macrofauna abundance under dominant tree species increases along soil degradation gradient FAJL Solomon Kamau, ,Edmundo Barrios, Nancy K. Karanja Soil Biology and Biochemistry 112 (-), 35-46, 2017 | 77 | 2017 |
| Additional cooking fuel supply and reduced global warming potential from recycling charcoal dust into charcoal briquette in Kenya M Njenga, N Karanja, H Karlsson, R Jamnadass, M Iiyama, J Kithinji, ... Journal of cleaner production 81, 81-88, 2014 | 72 | 2014 |
| Macrofauna diversity and abundance across different land use systems in Embu, Kenya FO Ayuke, NK Karanja, EM Muya, BK Musombi, J Mungatu, ... Tropical and Subtropical Agroecosystems 11 (2), 371-384, 2009 | 68 | 2009 |
| Potato-legume intercropping on a sloping terrain and its effects on soil physico-chemical properties HI Gitari, CKK Gachene, NN Karanja, S Kamau, S Nyawade, ... Plant and Soil 438, 447-460, 2019 | 66 | 2019 |
| Consumer willingness to pay for safer vegetables in urban markets of a developing country: The case of Kale in Nairobi, Kenya CJ Lagerkvist, S Hess, J Okello, N Karanja The Journal of Development Studies 49 (3), 365-382, 2013 | 63 | 2013 |
| Means-End Chain approach to understanding farmers' motivations for pesticide use in leafy vegetables: The case of kale in peri-urban Nairobi, Kenya CJ Lagerkvist, M Ngigi, JJ Okello, N Karanja Crop protection 39, 72-80, 2012 | 62 | 2012 |
| Assessment of soil fertility and potato crop nutrient status in central and eastern highlands of Kenya JN Mugo, NN Karanja, CK Gachene, K Dittert, SO Nyawade, ... Scientific reports 10 (1), 7779, 2020 | 57 | 2020 |
| Intercropping optimizes soil temperature and increases crop water productivity and radiation use efficiency of rainfed potato SO Nyawade, NN Karanja, CKK Gachene, HI Gitari, ... American Journal of Potato Research 96 (5), 457-471, 2019 | 57 | 2019 |
| Nematode community structure as influenced by land use and intensity of cultivation JW Kimenju, NK Karanja, GK Mutua, BM Rimberia, PM Wachira Tropical and subtropical agroecosystems 11 (2), 353-360, 2009 | 55 | 2009 |
| Enhancing soil organic carbon, particulate organic carbon and microbial biomass in semi-arid rangeland using pasture enclosures CO Oduor, NK Karanja, RN Onwonga, SM Mureithi, D Pelster, G Nyberg BMC ecology 18, 1-9, 2018 | 53 | 2018 |
Charles K K GacheneProfessor of soil science , University of NairobiVerified email at uonbi.ac.ke
