| Immediate and residual effects of lime and phosphorus fertilizer on soil acidity and maize production in western Kenya PO Kisinyo, CO Othieno, SO Gudu, JR Okalebo, PA Opala, WK Ng'Etich, ... Experimental agriculture 50 (1), 128-143, 2014 | 101 | 2014 |
| Effects of organic and inorganic materials on soil acidity and phosphorus availability in a soil incubation study PA Opala, JR Okalebo, CO Othieno ISRN Agronomy 2012, 1-10, 2012 | 92 | 2012 |
| Effects of lime, phosphorus and rhizobia on Sesbania sesban performance in a Western Kenyan acid soil P Kisinyo, C Othieno, S Gudu, JR Okalebo, PA Opala, JK Maghanga, ... | 90 | 2015 |
| Symbiotic efficiency of native rhizobia nodulating common bean (Phaseolus vulgaris L.) in soils of Western Kenya F Kawaka, MM Dida, PA Opala, O Ombori, J Maingi, N Osoro, M Muthini, ... International Scholarly Research Notices 2014, 2014 | 79 | 2014 |
| Effect of organic and inorganic phosphorus sources on maize yields in an acid soil in western Kenya PA Opala, JR Okalebo, CO Othieno, P Kisinyo Nutrient cycling in agroecosystems 86, 317-329, 2010 | 79 | 2010 |
| Phosphorus sorption and lime requirements of maize growing acid soils of Kenya PO Kisinyo, CO Othieno, SO Gudu, JR Okalebo, PA Opala, JK Maghanga, ... Sustainable Agriculture Research 2 (2), 116-123, 2013 | 74 | 2013 |
| Recent advances towards understanding and managing Kenyan acid soils for improved crop production P Kisinyo, VA Palapala, S Gudu, PA Opala, C Othieno, JR Okalebo, ... African Journal of Agricultural Reseach, 2014 | 68 | 2014 |
| Effects of combining organic materials with inorganic phosphorus sources on maize yield and financial benefits in western Kenya PA Opala, CO Othieno, JR Okalebo, PO Kisinyo Experimental agriculture 46 (1), 23-34, 2010 | 66 | 2010 |
| Influence of lime and phosphorus application rates on growth of maize in an acid soil PA Opala Advances in Agriculture 2017, 2017 | 57 | 2017 |
| Effects of lime and fertilizer on soil properties and maize yields in acid soils of Western Kenya PA Opala, M Odendo, FN Muyekho Academic Journals, 2018 | 50 | 2018 |
| Comparison of effects of phosphorus sources on soil acidity, available phosphorus and maize yields at two sites in western Kenya PA Opala, JR Okalebo, C Othieno Archives of Agronomy and Soil Science 59 (3), 327-339, 2013 | 39 | 2013 |
| Effects of cutting position of rose rootstock cultivars on rooting and its relationship with mineral nutrient content and endogenous carbohydrates MA Otiende, JO Nyabundi, K Ngamau, P Opala Scientia Horticulturae 225, 204-212, 2017 | 38 | 2017 |
| Effects of Tithonia diversifolia, farmyard manure and urea, and phosphate fertiliser application methods on maize yields in western Kenya PA Opala, PO Kisinyo, RO Nyambati Journal of Agriculture and Rural Development in the Tropics and Subtropics …, 2015 | 36 | 2015 |
| Micro-dosing of lime, phosphorus and nitrogen fertilizers effect on maize performance on an acid soil in Kenya PO Kisinyo, PA Opala, V Palapala, SO Gudu, CO Othieno, E Ouma | 31 | 2017 |
| Genetic diversity of symbiotic bacteria nodulating common bean (Phaseolus vulgaris) in western Kenya F Kawaka, H Makonde, M Dida, P Opala, O Ombori, J Maingi, J Muoma PLoS One 13 (11), e0207403, 2018 | 28 | 2018 |
| Effect of phosphate fertilizer application methods and nitrogen sources on maize in western Kenya: an agronomic and economic evaluation PA Opala, BA Jama, CO Othieno, JR Okalebo Experimental Agriculture 43 (4), 477-487, 2007 | 28 | 2007 |
| Comparative effects of lime and organic materials on selected soil chemical properties and nutrient uptake by maize in an acid soil PA Opala Scholars Research Library, 2011 | 24 | 2011 |
| Depletion of phosphate rock reserves and world food crisis: Reality or hoax? P Kisinyo, P Opala African Journal of Agricultural Research, 2020 | 22 | 2020 |
| Effect of nitrogen sources on the yield of common bean (Phaseolus vulgaris) in western Kenya F Kawaka, M Dida, P Opala, O Ombori, J Maingi, A Amoding, J Muoma Journal of Plant Nutrition 41 (13), 1652-1661, 2018 | 20 | 2018 |
| Recent advances in the use of Tithonia diversifolia green manure for soil fertility management in Africa: a review PA Opala Agricultural Reviews 41 (3), 256-263, 2020 | 13 | 2020 |
Kisinyo Peter OlooProfessor, Rongo University CollegeVerified email at ruc.ac.ke
