Working Document Series Open Access Response of local and improved cowpea varieties to Rhizobia inoculation and phosphorus in West Nile region of Uganda R. Amayo · S. Nyamaizi · B. B. Obaa · G. Olupot +2 more Cowpea (Vigna unguiculata L.Walp) is an important food security and cash crop among poor households especially in eastern and northern Uganda. However farmers have reported grain yields as low as 50 kg ha-1, far below the potential yield o… RUF-36965 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Adoption and welfare effects of integrated soil fertility management technologies among smallholder maize and pigeon pea farmers in Tanzania G.M. Diiro · P. Hillbur · Marco, B. Sanka This study analyzed farmer adoption of integrated soil fertility management (ISFM) and its impact on household welfare in Babati district, Tanzania. Cross-sectional survey data collected from a random sample of 500 maize and pigeonpea farm… RUF-36911 2016 CC BY 4.0 14 Sep 2017
Working Document Series Open Access Sensitivity of Ceres-maize simulated yields to biogeochemical components R. Ankumah · S.M. Kajumla · Devotha, J. Mwazembe · F. Rwehumbiza Change in environmental conditions including climate change is already occurring and is expected to affect crop production. This has led to a need to assess the impact of such changes to crop production so as to develop the adaptation stra… RUF-36908 2016 CC BY 4.0 14 Sep 2017
Journal articles Open Access Socioeconomic characterization and the agronomic practices that affect the use of pineapple waste to enhance soil fertility in Kayunga District, Uganda R. Kambugu · N. Kiggundu · Allan John. Komakech · F.B. Kyazze +2 more Soil exhaustion and nutrient depletion are major constraints to pineapple farming in Uganda. This study explored potential for using on-farm waste from pineapple farming to conserve soil fertility and enhance agricultural productivity. Dat… RUF-36757 2017 CC BY 4.0 31 Aug 2017
Journal articles Open Access Soil fertility management and impact on sweet potatoes - soybeans growing in Makunga (Kakamega) and (Kibargoi) Elgeiyo Marakwet counties Carolyne Jepkemboi · P.C. Kale · S.J. Kebeney · J.K. Kitilit Sweet potato is a perennial storage tuber crop grown as a food and/or cash crop. Soybean is a multipurpose crop grown for human food, livestock feed, soil fertility improvement, income generation and oil production among the smallholder fa… RUF-36751 2017 CC BY 4.0 14 Aug 2017
Working Document Series Open Access Manipulating the soil ecosystem for improved management of soil-borne pathogens in small holder ‘greenhouse’ tomato production in Kenya D. Chepkoech · D. Fundi · J. Mbaka · L.K. Murungi +2 more The livelihoods of about 40-60% small and medium scale farmers in Kenya is dependent on tomato (Solanum lycopersicum) production, farmed mainly under open field conditions and/or until recently under modified high tunnels popularly known a… RUF-36502 2016 CC BY 4.0 22 Nov 2016
Working Document Series Open Access Nitrogen timing on weed density and diversity in finger millet production in Lake Kyoga basin in Uganda G. Aguttu · D.L. Nabirye · J.S. Tenywa Finger millet (Eleusine coracana L.) is the second most important of the millets after pearl millet and a major food crop grown in the semi-arid an arid regions of the world. It is a staple food for the resource poor people in East Africa.… RUF-36301 2016 CC BY 4.0 20 Oct 2016
Working Document Series Open Access IoT4Food: Harnessing Internet of Things Technology (IoT) for sustainable agriculture E. Bainomugisha The inability to obtain soil characteristics rapidly and inexpensively remains one of the biggest challenges faced by farmers in Uganda and many African countries. Currently, the majority of farmers do not use any scientific means to asses… RUF-36169 2016 CC BY 4.0 15 Oct 2016
Theses & Dissertations Open Access Effects of soil incorporated faba bean and soybean biomass on yields of subsequent maize in Western Ethiopia Tolera Goshu Abera The decline of soil fertility is severe in western Ethiopia due to inappropriate cropping practices (monocropping, unbalanced nutrient application, continuous cultivation, removal of crop residues from the fields and suboptimal of fertiliz… RUF-36016 2016 CC BY 4.0 31 Aug 2016
Journal articles Open Access Effect of Cropping Systems on Accumulation of Fusarium Head Blight of Wheat Inocula in Crop Residues and Soils C.K. Mutegi · J.W. Muthomi · N.K. Njeru · J.M. Wagacha Fusarium head blight (FHB) is an economically important disease of wheat, which causes reduction in grain yield both quantitatively through reduced seed weight and qualitatively by contaminating grains with mycotoxins. The effect of croppi… RUF-35985 2016 CC BY 4.0 22 Jul 2016
Theses & Dissertations Open Access Economic evaluation of soybean genotypes under soil fertility variability in northern and eastern Uganda Edward Tanyima Soybean (Glycine Max (L.) Merrill) is an important crop in Uganda as it is the cheapest source of plant protein and income to farmers. Despite breeding for high yielding and disease tolerant soybean genotypes, there has not been a signific… RUF-35862 2015 CC BY 4.0 29 Jan 2016
Theses & Dissertations Open Access Inheritance of phosphorus use efficiency and resistance to anthracnose in selected sorghum genotypes grown in the acid soils of Western Kenya A. Nyambok The acid soils of western Kenya where most of the sorghum is grown have very low available phosphorus, at 2-5mg P/kg soil compared to the recommended levels of 10-15mg P/ kg soil required for optimal crop productivity. In these soils, sorg… RUF-35837 2014 CC BY 4.0 28 Jan 2016
Theses & Dissertations Open Access Soil, runoff and nutrient losses under maize and banana cropping systems in Lwiro microcatchment, DRC Matabaro Wivine Adidja This study was carried out with the following objectives i) to characterise the cropping systems; ii) to identify existing soil and water conservation practices in the Lake Kivu basin and iii) to determine the magnitude of soil, runoff and… RUF-35815 2014 CC BY 4.0 28 Jan 2016
Theses & Dissertations Open Access Influence of soil fertility management on striga reproduction and grain yield of sorghum in semiarid areas of Tanzania A. Kudra Influence of soil fertility management on Striga reproduction and sorghum grain yield in semiarid areas of Tanzania. PhD thesis, Faculty of Agriculture, University of Nairobi. Witchweed (Striga), a root parasite, has become a major biologi… RUF-35773 2011 CC BY 4.0 19 Nov 2015
Journal articles Open Access Determination soil Rhizobium populations, intrinsic antibiotic resistance, nodulation and seed yield of faba bean and soybean in Western Ethiopia Tolera Abera · Tolessa Debele · Haekoo Kim · Ernest Semu +1 more Legumes like faba bean (Vicia faba L.) and soybean (Glycine max L.) is able to fix 20–60 kg N ha 1 under tropical environments, but these amounts are significant for the succeeding cereal to meet the N requirement for economically attracti… RUF-35739 2015 CC BY 4.0 16 Nov 2015
Journal articles Open Access Effects of faba bean break crop and N rates on subsequent grain yield and nitrogen use efficiency of highland maize varieties in Toke Kutaye, western Ethiopia Tolera Abera · Tolessa Debele · Haekoo Kim · Ernest Semu +1 more The biological N2-fixation in faba bean on subsequent nitrogen fertilizer requirement of highland maize varieties would be useful in guiding application of additional nitrogen fertilizer in cropping sequence. Maize planted following faba b… RUF-35737 2015 CC BY 4.0 16 Nov 2015
Journal articles Open Access Nutrient status of soils from farmers’ maize fields in mid altitude areas of Western Ethiopia Tolera Goshu Abera · Tolessa Debele · Haekoo Kim · Ernest Semu +1 more Inappropriate land use can deplete nutrient contents of crop land that leads to reduce nutrient concentrations and productivity. However, monitoring nutrient status of crop land can help producer take appropriate remedial measures before s… RUF-35735 2015 CC BY 4.0 16 Nov 2015
Theses & Dissertations Open Access Physio-chemical characteristics, isotopic signatures and hydrochemistry of two contrasting wetlands in two agro-ecological zones of Lesotho R. Mating Agricultural activities; grazing and cropping are thought to be the major contributors to non-point wetland pollution and other land degradation forms in the highlands and foothills while industrial effluents and domestic waste disposal ar… RUF-35534 2012 CC BY 4.0 30 Sep 2015
Theses & Dissertations Open Access Farmer perceptions of selected soil fertility indicator plants in central Uganda S. Kiconco Assessing soil fertility status is one way of evaluating sustainability of land use and management activities. There are basically two methods of assessing soil fertility: the laboratory method and use of indigenous knowledge. One way of u… RUF-35526 2014 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Optimizing phosphorus availability for bean production on a high altitude andosol A. Cyamweshi Rusanganwa In Sub-Saharan Africa, common bean (Phaseolus vulgaris L.) is a food security and income sourcing crop as well as a contributor to soil fertility improvement through biological nitrogen fixation. In Uganda, bean production is widespread, w… RUF-35503 2011 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access A study of the effects of Nitrogen , phosphorus and potassium fertilizers on the dry matter yield and chemical composition of amaranthus hybridus sub-species hybridus (green head) Ekwamu Adipala Plots of amaranthus hybridus sub-species hybridus (green head) were treated with N, P, and K fertilizers and sampled at a six day interval from day 42 to day 60 after sowing to determine the effect on DM yield and the resultant chemical co… RUF-35445 1980 CC BY 4.0 25 Sep 2015
Theses & Dissertations Open Access Influence of trees on soil characteristics and maize productivity in small holder farms of western Kenya Noella Andenyi Ekhuya Maize production in Kenya has been decreasing with time, especially in Western Kenya which is one of the main belts of maize production. This is due to low purchasing power for inorganic fertilizers by resource poor farmers. Use of local i… RUF-35344 2013 CC BY 4.0 21 Sep 2015
Working Document Series Open Access Innovative breeding for drought tolerance and fertilizer use efficiency in maize S.C. Muchena This paper highlights outcome of research that was initiated as part of a graduate PhD research thesis, but has today led to development of commercial maize varieties in Southern Africa. It clearly demonstrates that university-based resear… RUF-35218 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Soil micronutrient supply and grain quality for human nutrition in selected parts of Morogoro, Tanzania M.L.E. Imakumbili · J.M.R. Semoka · E Semu Soils worldwide have become depleted of micronutrients. This has resulted in an increase in micronutrient deficiency diseases for people consuming micronutrient poor foods as a sole source of nutrition. This study was carried out to determ… RUF-35135 2010 CC BY 4.0 16 Sep 2015
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
