Working Document Series Open Access Agronomic performance and carotenoid content of Kenyan yellow-fleshed cassava clones R. Edema · J. Kamau · P. Njenga · G. Ooko Vitamin A deficiency is common in Kenya, and is common among populations that depend on cassava as their main staple. Clonal evaluation of 324 locally developed yellow-fleshed cassava clones was carried out in two sites, Thika and Kiboko l… RUF-39137 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Spatial and temporal spread of maize lethal necrosis disease causing viruses and their vectors within the field K. Dora · D.W. Miano · D. Mukunya · R.M. Ngala Maize lethal necrosis disease (MLND) is a viral disease of maize resulting from co-infection of Maize chlorotic mottle virus (MCMV) and any cereal Potyvirus such as Sugarcane mosaic virus (SCMV), Maize dwarf mosaic virus (MDMV) or Wheat st… RUF-39133 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Gulu University Student-Centered Outreach Model enhanced uptake of research innovations in complementary feeding among rural households in Amuru and Nwoya districts in northern Uganda Okello-Uma Ipolto · P. Nassanga · D. Ongeng Universities are mandated to conduct research on community development challenges, including nutrition challenges, and provide results for uptake. Research in universities is largely conducted as part of student training and the results ob… RUF-39128 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Gulu University Student-Centered Outreach Model enhanced uptake of research innovations in complementary feeding among rural households in Amuru and Nwoya districts in northern Uganda Okello-Uma Ipolto · P. Nassanga · D. Ongeng Universities are mandated to conduct research on community development challenges, including nutrition challenges, and provide results for uptake. Research in universities is largely conducted as part of student training and the results ob… RUF-39127 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Adoption of cowpea bruchid control technologies in eastern Uganda E. Adipala · B. Bashaasha · R. Kityo · H. Kongai +3 more Infestation and damage of stored cowpea (Vigna unguiculata) grain by bruchids (Callosobruchus maculatus) is a challenge to majority of farmers in drier parts of Uganda where the crop serves as a major source of vegetables especially during… RUF-39124 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Soil properties and maize yields under tied ridging, fertilizer micro-dosing and different cropping systems in semi-arid regions of Kenya B.O. Danga · K. Kwena · J. Mugwe · N. Mwende In semi-arid parts of Kenya, the major threat to food security is declining soil fertility, inadequate and un-reliable rainfall. In order to minimize these challenges, there is need to adopt soil management practices that cope with low rai… RUF-39122 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Soybean (Glycine max) and maize (Zea mays) production as influenced by rhizobia inoculation and cropping systems in western Kenya C. Masso · E.M. Mutegi · R. Okalebo · A. Otinga +1 more The use of promiscuous varieties and commercial inoculants has been shown to increase soybean production and improve soil fertility. However, most cropping systems are characterized by indigenous bradyrhizobia whose populations are often l… RUF-39118 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Growing range grasses in mixed stands increase productivity and does not affect the nutritional quality and digestibility of the hay produced O.K. Koech The increasing pasture establishment under irrigation to bridge feed shortages as a result of seasonal variations has been reported in the Arid and Semi-Arid Lands (ASALs) of East Africa. The natural pastures have declined increasing need … RUF-39113 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access The interaction between host plant resistance and biological control presents opportunities for plant breeders in Africa’s integrated pest management programs J. Amoah · R. Edema · J. Karungi · R. Kityo +3 more The concept of integrated pest management (IPM) presents a holistic approach to management of pests, optimizing actions associated with at least two pest management tactics without ecological backlash. However, efficient integration of IPM… RUF-39111 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Indigenous fungi with antagonistic potential against potato cyst nematodes in Kenya R. Kahuthia-Gathu · J.K. Musango · J.W. Waceke Potato (Solanum tuberosum), which is the second most important food crop in Kenya, has various production constraints including potato cyst nematodes (PCN). This nematode which was first reported in 2014 is now ranked highest. The main opt… RUF-39110 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Distribution and sourcing of fresh fruits and vegetables within Nairobi City County R. Mbeche · J.B. Mukundi Despite a rapidly transiting city, the operational nature of Nairobi City food system is unclear. A sample of retailers, collector agents at farm level, trader aggregators and wholesalers was obtained from survey sites within key markets i… RUF-39104 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access The currents status of Maize Lethal Necrotic Disease awareness and control in Bomet County, Kenya W. J. Kamau · P. N. Mathew · P.K. Muchemi · W. J. Mwangi +1 more The study aimed at determining the level of awareness about Maize Lethal Necrosis Disease in Bomet County in Kenya. Random sampling method was used to obtain a sample of respondents from a target household population of maize farmers. Stru… RUF-39097 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Enhancing climate resilience of cropping systems: A synopsis of research activities by crop scientists at University of Nairobi G.N. Chemining’wa · O.M. Kitonyo Climate change is associated with rising temperatures, elevated carbon dioxide, variable rainfall patterns and frequent droughts, reduced soil carbon and mineral nutrients, and increased influx of pests and diseases, in addition to adverse… RUF-39096 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Knowledge dissemination on improvement of traditional complementary foods for proper child feeding J.N. Kinyuru · H.S. Laswai · M.M. Mmari, Traditional complementary foods in most sub-Saharan African countries are deficient in protein, essential minerals and vitamins resulting into sub-optimal growth and increased premature deaths among children below five years of age. Poor q… RUF-39088 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Analysis of potato yield gap using aquacrop simulation Model E.C. Kipkorir · S. Kiptoo · C.K. Kiptum Water scarcity and food shortage worldwide is a major concern globally. In crop production, water stress affects yield if not managed properly. Solanum potato is the second most important food crop in Kenya after maize and is sensitive to … RUF-39086 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Acceptance of insects as an alternative protein source for poultry feeds in Kenya B. Kimutai Livestock feed prices in Kenya have been rising over the last decade with the increase in price being attributed to the cost of protein ingredients especially soybean and fish meal in the feed. Several interventions have been explored to r… RUF-39081 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Development and evaluation of cassava-based porridge as a complementary food for infants in Nkhotakota and Nkhata Bay districts of Malawi : A brief review M.W. Kamiyango Adequate nutrition is essential in early childhood for normal growth and a healthy life. However, some developing countries are grappling with high prevalence of child acute malnutrition and micronutrient deficiencies. In Malawi, 37% of ch… RUF-39078 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Nutrient composition and phytochemical content of African nightshade (Solanum nigrum) edible berries E.H. Kamau · G.M. Kenji · J.M. Maina African nightshade (Solanum nigrum) is a green, indigenous leafy vegetable that grows in many parts of the world and its utilization can deliver significant nutrients and phytochemicals into the diet. It is among the indigenous vegetables … RUF-39076 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Cassava landraces and indigenous tree interactions in agro ecological zones of Uganda S. Balaba Tumwebaze · S. Kalimunjaye · G. Nakabonge There are issues and practices that influence farmers’ decision for cassava and tree intercrop choices on the farm. The aim of this research was to evaluate the traditional conservation management practices of cassava landraces and tree in… RUF-39072 2018 CC BY 4.0 1 Mar 2021
Journal articles Open Access Oil-Gas and Environmental Nexus: Impact of Human Actions on selected Soil Physicochemical Parameters in Port Harcourt and its environment, Nigeria E. Ibisime · W.P. Muyoma · L. Odokuma · R. Ramkat Impact of oil and gas activities on quality of soil in Port Harcourt and its environments was assessed. The study evaluates levels of physicochemical parameters associated with oil and gas industry in soils of 9 locations in Port Harcourt … RUF-39069 2018 CC BY 4.0 26 Feb 2021
Journal articles Open Access Effects of compound fertilizer and canola green manure on nutrient use efficiency, growth and yield of potato tuber (Solanum tuberosum L.) in Nakuru, Kenya M. K. Charimbu · N. Iraboneye · N.W. Mungai Unbalanced fertilization is a problem affecting potato production in Kenya, where continuous use of nitrogen-phosphorus fertilizer (diammonium phosphate: DAP) has led to depletion of other macro and micronutrients. Hence, the need to asses… RUF-39065 2020 CC BY 4.0 26 Feb 2021
Journal articles Open Access Farmer-preferred learning methods and utilised teaching approaches by Egerton University, Kenya N.W. Mungai · M. Mutuku · E. O. Ondiege Universities are centres of frontier knowledge and skills, with the capacity to transform communities,when appropriately and adequately transmitted to users. The aim of this paper was to compare farmer-preferred learning methods and those … RUF-39062 2020 CC BY 4.0 26 Feb 2021
Working Document Series Open Access Natural regeneration of Heglig [Balanites aegyptiaca (Del.)] in the dry region of Sudan F.M. Hasabelrasoul · A.A. Mohamed Balanites aegyptiaca is a promising widely distributed tree of high economic, social, and environmental value. However, its existence is threatened. The objective of this study was to assess the natural regeneration of B. aegyptiaca in the… RUF-39059 2018 CC BY 4.0 25 Feb 2021
Working Document Series Open Access Effect of banana peels on chicken weight gain and egg production in the urban and peri-urban areas of Aksum City, Ethiopia S.G. Gebrechristos · G.A. Haileselassie · V.O. Wasonga High feed cost of running urban-animal-agriculture and huge city wastes are challenges of the growing towns in modern Ethiopia. Egg production microenterprise is steadily growing due to its low initial investment and ready market in urban … RUF-39056 2018 CC BY 4.0 25 Feb 2021
Working Document Series Open Access Climate change and smallholder livestock production: Impacts and adaptation Strategies in Ethiopia A. Habtemariam · P. Kibwika · F. Kyazze Ethiopia is one of the countries most affected by climate change since its economy mainly relies on agriculture. In Ethiopia agriculture is characterized by subsistence farming, virtually rain-fed, dominated by cereal crop, cattle and goat… RUF-39053 2018 CC BY 4.0 25 Feb 2021
