Mineral nitrogen and microbial biomass dynamics under different acid soil management practices for maize production RN Onwonga, JJ Lelei, BB Mochoge Journal of Agricultural Science 2 (1), 16, 2010 | 64 | 2010 |
A transformative university learning experience contributes to sustainability attitudes, skills and agency L Probst, L Bardach, D Kamusingize, N Templer, H Ogwali, A Owamani, ... Journal of Cleaner Production 232, 648-656, 2019 | 63 | 2019 |
Index-based agricultural insurance products: challenges, opportunities and prospects for uptake in sub-Sahara Africa N Ntukamazina, RN Onwonga, R Sommer, JC Rubyogo, CM Mukankusi, ... Kassel University Press, 2017 | 58 | 2017 |
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 | 55 | 2018 |
Low cost technologies for enhancing N and P availability and maize (Zea mays L.) performance on acid soils RN Onwonga, JJ Lelei, B Freyer, JK Friedel, SM Mwonga, P Wandhawa World Journal of Agricultural Sciences 4 (5), 862-873, 2008 | 53 | 2008 |
Assessment of Mangrove Cover Change and Biomass in Mida Creek, Kenya FA Onwonga Richard, Kinyanjui Mwangi James, Oliver Wasonga Open Journal of Forestry 4 (4), 398-413., 2014 | 46* | 2014 |
Carbon stocks and stock changes in agroforestry practices: a review H Agevi, R Onwonga, S Kuyah, M Tsingalia Tropical and Subtropical Agroecosystems, 2017 | 45 | 2017 |
Climate change effects on crop production in Yatta sub-county: farmer perceptions and adaptation strategies BL Agesa, CM Onyango, VM Kathumo, RN Onwonga, GN Karuku African Journal of Food, Agriculture, Nutrition and Development 19 (1 …, 2019 | 42 | 2019 |
Effect of inorganic and organic fertilizers on the performance and profitability of grain amaranth (Amaranthus caudatus L.) in Western Kenya RO Nyankanga, RN Onwonga, FS Wekesa, D Nakimbugwe, D Masinde, ... Journal of agricultural science 4 (1), 223, 2012 | 41 | 2012 |
Organic based nutrient management strategies: effect on soil nutrient availability and maize (Zea mays L.) performance in Njoro, Kenya JJ Lelei, RN Onwonga, B Freyer African Journal of Agricultural Research 4 (2), 92-99, 2009 | 41 | 2009 |
Variation of nutritional and anti-nutritional contents in finger millet (Eleusine coracana (L.) Gaertn) genotypes J Ambuko, R Onwonga, O Nyongesa, SI Shibairo University of Nairobi, 2014 | 40 | 2014 |
Evaluation of types and factors influencing adoption of rainwater harvesting techniques in Yatta district, Kenya RN Onwonga, DM Mburu, YA Elhadi University of Nairobi, 2013 | 37 | 2013 |
Effect of excessive and minimal soil moisture stress on agronomic performance of bush and climbing bean (Phaseolus vulgaris L.) N Ntukamazina, RN Onwonga, R Sommer, CM Mukankusi, J Mburu, ... Cogent Food & Agriculture 3 (1), 1373414, 2017 | 36 | 2017 |
Comparative effects of soil amendments on phosphorus use and agronomic efficiencies of two maize hybrids in acidic soils of Molo County, Kenya RN Onwonga, JJ Lelei, JK Macharia American Journal of Experimental Agriculture 3 (4), 939-958, 2013 | 28 | 2013 |
Climate change and variability: Farmers’ perception, experience and adaptation strategies in Makueni County, Kenya KT Kitinya, RN Onwonga, C Onyango, JP Mbuvi, G Kironchi Asian Journal of Agriculture and Rural Development 2 (3), 411-421, 2012 | 28 | 2012 |
Use of Dolichos (Lablab Purpureus L.) and combined fertilizers enhance soil nutrient availability, and maize (Zea Mays L.) yield in farming systems of Kabete Sub County Kenya RC Sitienei, RN Onwonga, JJ Lelei, P Kamoni Agricultural Science Research Journal 7 (2), 47-61, 2017 | 26 | 2017 |
The influence of organic and inorganic nutrient inputs on soil organic carbon functional groups content and maize yields M Ndung'u, LW Ngatia, RN Onwonga, MW Mucheru-Muna, R Fu, ... Heliyon 7 (8), 2021 | 23 | 2021 |
Effect of nitrogen source, crop maturity stage and storage conditions on phenolics and oxalate contents in vegetable amaranth (Amaranthus hypochondriacus) CM Onyango, J Harbinson, JK Imungi, RN Onwonga, O van Kooten Journal of Agricultural Science 4 (7), 219-230, 2012 | 23 | 2012 |
Impact of traditional farming practices on nutrient balances in smallholder farming systems of Nakuru District, Kenya R Onwonga, B Freyer Proceedings of the Tropentag conference October, 11-13, 2006 | 23 | 2006 |
Does certified organic agriculture increase agroecosystem health? Evidence from four farming systems in Uganda N Templer, M Hauser, A Owamani, D Kamusingize, H Ogwali, L Mulumba, ... International Journal of Agricultural Sustainability 16 (2), 150-166, 2018 | 22 | 2018 |