Working Document Series Open Access Optimisation of rhizobium and arbuscular mycorrhizal fungi benefits for grain legume production in acid soils M. C. Rwakaikara-Silver · J.S. Tenywa · M. Uwizerwa This study was conducted to evaluate the symbiotic effectiveness of Rhizobium isolates using soybean and Phaseolus bean as host plants grown in acid soil (pH 4.5 and 5) from two southern districts of Rwanda. For this purpose, 10 and 33 iso… RUF-35120 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Effects of agricultural commercial products (microbial and non microbial) in relation to maize and soybean yields in western Kenya M. Mburu · J.R. Okalebo · C.O. Othieno This study was undertaken to assess the effect of different inoculants on nodule formation and legume yield. On farm experiments were carried out in Bungoma district of western Kenya with treatments arranged in RCBD design with single repl… RUF-35080 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Improving biological nitrogen fixation (BNF) by groundnuts grown in acid soils through amendment with calcitic and dolomitic limestones R. Merckx · J.K. Ogega · J.R. Okalebo · D.K. Okello +5 more Groundnut (Arachis hypogeal L.) is an oil crop legume capable of symbiotic nitrogen fixation. Soil acidity is a major limitation to symbiotic nitrogen fixation. Acid soils are widespread in Western Kenya and Eastern Uganda where groundnut … RUF-34659 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Farmer - managed trials for evaluation of rhizatech and legumefix in Bungoma district Kenya C. Majengo · W. Ngetich · J.R. Okalebo · C.O. Othieno The nitrogen reserve of agricultural soils must be replenished periodically in order to maintain an adequate level for crop production. This replacement of soil nitrogen is generally accomplished by the addition of fertilizers or as produc… RUF-34615 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Biological N2 fixation of three Acacia senegal varieties in the drylands of Kenya using 15N natural abundance method E.W. Githae A study is on-going in Kenya to identify Acacia senegal varieties with high symbiotic biological N2 fixation capacity. Balanites aegyptica, a non-legume species, has been included for comparison. Variety senegal has so far shown the highes… RUF-34584 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Sustainable crop production using hairy vetch (Vicia villosa Roth) to enrich soil fertility and conserve soil moisture for maize cropping in smallholder farming systems in Zimbabwe D. Chinamo · F Mapanda · M. Munyati · G. Nyamadzawo +2 more Crop production in smallholder farming systems of Zimbabwe is limited by low inherent soil fertility, particularly N and P and available soil moisture. One of the major agricultural challenges in developing countries is the development of … RUF-34466 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access An evaluation of the effect of hairy vetch (Vicia villosa Roth) on soil fertility of sandy soils in central Zimbabwe F Mapanda · A. Tumbure · M. Wuta Crop production in smallholder farming systems of Zimbabwe is limited by low inherent soil fertility, particularly N and P and available soil moisture. The use of efficient N fixing legumes is one way that can sustain soil fertility and co… RUF-34460 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Creating an innovation platform for research impact: Lessons from the smallholder soyabean program in Zimbabwe S. Mpepereki This paper outlines the establishment of a broad innovation platform on to which more players were invited in efforts to meet the demands of participating farmers. We share this experience to encourage others to undertake impact-oriented p… RUF-34316 2014 CC BY 4.0 17 Aug 2015
Working Document Series Open Access Response of introduced soybean varieties to inoculation with rhizobium in Sud Kivu province, Democratic Republic of Congo A.A. Angelani · K.D. Bamuleke · B.J. Bashagaluke · B.L. Shukuru +1 more Soybeans are a major source of protein; they contribute to combating malnutrition especially among children. They play very important roles in NRM because they contribute to biological nitrogen fixation through the inoculation with rhizobi… RUF-34121 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Response of commonly cultivated legumes in Zambia to non-indigenous legume inoculants J. S. K. Banda · Ndashe Kapulu · Malama Mulenga · A. Mutiti Mweetwa +2 more The use of inoculants is a critical strategy in legume production. Several factors determine the efficiency of an inoculant, including the competitiveness of the inoculated against indigenous strains. Although Rhizobia seems to be widely d… RUF-33969 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Effectiveness of Rhizobium Leguminosarum Strains Nodulating Hairy Vetch, an Introduced Forage Legume in the Sandy Soils of Zimbabwe F Mapanda · A. Tumbure · M. Wuta Results from field experiments in Zimbabwe in 2009/10 - 2010 11 showed that nodulation of hairy vetch is erratic resulting in poor performance of the crop. The need to inoculate hairy vetch was therefore assessed using three (3) Rhizobium… RUF-32034 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Diversity and Symbiotic Effectiveness of Acid Tolerant Groundnut Rhizobia inWestern Kenya Soils J.K. Ogega · J.R. Okalebo · D.A. Onyango · B.A. Were This study was carried out to find suitable strains of rhizobia for use in ground nut production under acid-aluminium soils. Thirty-six rhizobia isolates tolerant to high soil aluminium were identified.. The isolates were gram negative rod… RUF-31909 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Improving Biological Nitrogen Fixation (BNF) by Groundnuts (Arachis hypogea L.) Grown in Acid Soils Amended with Calcitic and Dolomitic Limestones R. Merckx · J.K. Ogega · J.R. Okalebo · D.K. Okello +5 more Groundnut is an important grain legume in the traditional cropping systems of western Kenya and eastern Uganda. This research focuses on assessing and utilising the biological nitrogen fixation (BNF) potential of groundnut in alleviating s… RUF-31894 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Effectiveness of Bradyrhizobia and Lime on Yield of Groundnuts and Maize Under Intercrop System in Acids Soils of Western Kenya J.K. Ogega · J.R. Okalebo · D.A. Onyango · C. Othieno +2 more Bradyrhizobia is the rhizobia species that fixes nitrogen in the groundnut crop. Soil acidity is a constraint to effective bradyrhizobia activity. Western Kenya is characterised by acid soils and thus unconducive for bradyrhizobia activity… RUF-31842 2012 CC BY 4.0 8 May 2014
