| Legume–wheat rotation effects on residual soil moisture, nitrogen and wheat yield in tropical regions BO Danga, JP Ouma, IIC Wakindiki, A Bar-Tal Advances in agronomy 101, 315-349, 2009 | 79 | 2009 |
| Agronomic performance of locally adapted sweet potato (Ipomoea batatas (L) Lam.) cultivars derived from tissue culture regenerated plants JN Oggema, MG Kinyua, JP Ouma, JO Owuoche African Journal of Biotechnology 6 (12), 2007 | 63 | 2007 |
| The effect of intercropping groundnut (Arachis hypogea L.) with sorghum (Sorghum bicolor L. Moench) on yield and cash income MC Langat, MA Okiror, JP Ouma, RM Gesimba Agricultura Tropica et Subtropica 39 (2), 87-91, 2006 | 62 | 2006 |
| Optimization of in vitro regeneration of multiple shoots from hypocotyl sections of cotton (Gossypium hirsutum L.) JP Ouma, MM Young, NA Reichert Afr. J. Biotechnol 3 (3), 169-173, 2004 | 49 | 2004 |
| Cropping system influences Tomato spotted wilt virus disease development, thrips population and yield of tomato (Lycopersicon esculentum) RC Ramkat, AW Wangai, JP Ouma, PN Rapando, DK Lelgut Annals of Applied Biology 153 (3), 373-380, 2008 | 39 | 2008 |
| Effect of tillage on biological nitrogen fixation and yield of soybean ('Glycine max L. Merril') varieties JO Okoth, NW Mungai, JP Ouma, FP Baijukya Australian Journal of Crop Science 8 (8), 1140-1146, 2014 | 35 | 2014 |
| Farmyard manure as alternative nutrient source in production of cold tolerant sorghum in the dry highlands of Kenya. GB Ashiono, JP Ouma, SW Gatwiku | 27 | 2006 |
| Effect of tillage method and sowing time on phenology, yield and yield components of chickpea (Cicer arietinum L.) under semi-arid conditions in Kenya CN Onyari, J Ouma, AM Kibe | 22 | 2010 |
| Rooting of in vitro regenerated cotton (Gossypium hirsutum L.) is influenced by genotype, medium composition, explant type and age JP Ouma, MM Young, NA Reichert Afr J Biotechnol 3 (6), 313-318, 2004 | 20 | 2004 |
| Chickpea‐Wheat Rotation for Higher Production in a Humid Tropical Region BO Danga, JP Ouma, IIC Wakindiki, A Bar‐Tal Agronomy journal 102 (2), 363-371, 2010 | 14 | 2010 |
| Residual effects of farmyard manure on stover and grain yield of cold tolerant dual purpose sorghum (Sorghum bicolor L. Moench) in the dry highlands of Kenya. GB Ashiono, W Wasike, JP Ouma, SW Gatwiku, PN Gachuki | 12 | 2005 |
| Agronomic and morphological performance of sorghum (sorghum bicolour l.) for the dry highlands of Kenya JP Ouma, TE Akuja Journal of Applied Biosciences 63, 4720–4726-4720–4726, 2013 | 11 | 2013 |
| Effect of mechanical inoculation of Tomato spotted wilt tospovirus disease on disease severity and yield of greenhouse raised tomatoes. RC Ramkat, AW Wangai, JP Ouma, PN Rapando, DK Lelgut | 11 | 2006 |
| Optimum 2, 4-D concentration suitable for embryogeneic callus induction in local Kenyan sweet potato cultivars. JN Oggema, MG Kinyua, JP Ouma | 10 | 2007 |
| Chickpea residue properties controlling decomposition dynamics and nitrogen availability in some tropical acid soils BO Danga, IIC Wakindiki, JP Ouma South African Journal of Plant and Soil 30 (4), 203-212, 2013 | 7 | 2013 |
| Responses of five locally adapted sweet potato (Ipomoea batatas (L.) Lam) cultivars to in vitro plant regeneration via direct and indirect embryogenesis. JN Oggema, JP Ouma, MG Kinyua | 7 | 2007 |
| Growth, yield and phosphorus use efficiency of potato varieties propagated from apical rooted cuttings under variable phosphorus rates P Aarakit, JP Ouma, JJ Lelei African Journal of Plant Science, 2021 | 6 | 2021 |
| Effect of sugarcane bagasse ash and manure amendments on selected soil properties in Western Kenya TDT Bidai, JJ Lelei, JP Ouma African Journal of Agricultural Research 16 (11), 1554-1561, 2020 | 6 | 2020 |
| Mitigating mid-season drought effect in soybean (Glycine max L. Merril) in Western Kenya JO Omondi, NW Mungai, JP Ouma, FP Baijukya Legume Research-An International Journal 38 (4), 477-483, 2015 | 6 | 2015 |
| Changes in soil chemical properties in response to application of phosphorus sources in legume sorghum cropping systems BA Tunya, JJ Lelei, JP Ouma, PN Ombui, RN Onwonga | 6 | 2014 |
