Working Document Series Open Access Seasonal distribution and yields of common roughages in coastal Lowlands of Kenya M. S. Badamana · C. K Gachuiri · J. D. Mande · L. M. Mburu +1 more In the Coastal Lowlands of Kenya, small-scale integrated crop-livestock system is the dominant form of agricultural production. Feed quantity and quality are inadequate and rarely meet the nutrient demands of lactating cows especially in t… RUF-39741 2018 CC BY 4.0 16 Jan 2023
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 Genetic diversity among sorghum landraces of southwestern highlands of Uganda R. Akatwijuka · T.L. Odong · P.R. Rubaihayo Sorghum (Sorghum bicolor L. Moench) is an economic and staple crop in sub-Saharan Africa. The genetic diversity in its germplasm is an invaluable aid for its crop improvement. The objective of this study was to assess the existing genetic … RUF-35946 2016 CC BY 4.0 26 May 2016
Journal articles Open Access Evaluation of Ugandan cowpea germplasm for yield and resistance to scab disease E. Afutu · M. Biruma · K.E. Mohammed · T.L. Odong +1 more Aims: This study was conducted to identify cowpea (Vigna unguiculata) cultivars with high yield potential and resistance to scab disease caused by Sphaceloma sp. in Uganda. 100 cowpea genotypes were evaluated at two locations (Kabanyolo an… RUF-35935 2016 CC BY 4.0 3 May 2016
Theses & Dissertations Open Access Determining quantity of cowpea (Vigna unguiculata) leaf yield under different manure application regimes and cropping systems in Western Kenya D.A. Olal The low production of cereals and legumes among small-scale farmers in Kenya attributed to declining soil fertility and poor agronomic practices has led to renewed interest to review existing crop improvement technologies. Such technologie… RUF-35909 2015 CC BY 4.0 29 Feb 2016
Theses & Dissertations Open Access Integrating striga management strategies for improved maize production in Western Kenya W. Sunda Maize is an important crop in Kenya but is adversely affected by Striga hermonthica weed that reduces yields considerably, especially in Western Kenya. Single stand-alone management strategies for the weed have been used, but each has had … RUF-35908 2014 CC BY 4.0 29 Feb 2016
Journal articles Open Access Climate change and agriculture nexus in Sub-Saharan Africa: the agonizing reality for smallholder farmers Ekwamu Adipala · A. Egeru · George Kanyama Phiiri Climate change is one of the potent challenges facing smallholder farmers in sub-Saharan Africa in the recent past owing to the pattern and magnitude with which it presents the extreme events such as floods and drought. This review finds a… RUF-35907 2016 CC BY 4.0 26 Feb 2016
Journal articles Open Access Co-management driven enforcement of rules and regulations on Lake Tanganyika, Zambia Lackson Chama · Lloyd Haambiya · D. Kambewa · E. Kaunda +1 more The economic gains from illegal fishing are high in the face of growing demand for fish. Resources are declining; fisher community conflicts are increasing. Increased enforcement is the policy option chosen to improve compliance with rules… RUF-35901 2015 CC BY 4.0 22 Feb 2016
Theses & Dissertations Open Access Seasonal climate prediction for rain-fed crop production planning in the upper Awash basin, Central highland of Ethiopia Abdisa Alemu Tolossa This study was designed to use of local level seasonal climate prediction for rain feed crop production planning by providing valuable support for decision-making strategies in the Upper Awash Basin (UAB). A rainfall data recorded over 24 … RUF-35891 2015 CC BY 4.0 3 Feb 2016
Journal articles Open Access Assessment of Uganda’s farmers’ perception and knowledge on maize cob rots towards breeding for resistance G. Asea · P. Gibson · P. Okori · L. Tembo Stenocarpella maydis and Fusarium graminearum maize cob rots are two most devastating cob rots in maize which causes yield losses and reduce grain quality as a result of mycotoxins which is produced from this fungus. Developing varieties r… RUF-35878 2016 CC BY 4.0 3 Feb 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
Journal articles Open Access Enhancing soil water content for increased food production in semi-arid areas of Kenya. Results from an on-farm trial in Mwala district, Kenya N. Amuri · C.K.K. Gachene · Patrick. Gicheru · A.N. Karuma +1 more Soil water conservation through tillage is one of the appropriate ways of addressing soil moisture deficit in rainfed agriculture. This study evaluated the effects of tillage practices on soil moisture conservation and crop yields in Mwala… RUF-35741 2014 CC BY 4.0 17 Nov 2015
Theses & Dissertations Open Access Effect of organic and inorganic nitrogen sources on growth, yield and oil content of sunflower grown in highly weathered soils of Morogoro Mwahija Almasi Irika Sunflower contributes about 40% of total national cooking oil requirement in Tanzania, ranking as one of the most important cooking oil with very high nutritional value. However, its production per unit area ranges between 800 and 1100 kg/… RUF-35636 2015 CC BY 4.0 8 Oct 2015
Theses & Dissertations Open Access Growth, yield and postharvest qualities of tomato (Lycopersicon esculentum M.) as influenced by soil moisture levels and packaging C.I. Sibomana Tomato (Lycopersicon esculentum M.) is a fruit vegetable, and like most horticultural commodities is highly perishable. It is often exposed to stresses either imposed by other organisms (biotic) or arising from imbalance of environmental f… RUF-35633 2011 CC BY 4.0 8 Oct 2015
Journal articles Open Access Modelling and forecasting small Haplochromine species (Kambuzi) production in Malaŵi – a stochastic model approach V. Kasulo · E. Kaunda · W. Singini The study aimed at forecasting small Haplochromine species locally known as Kambuzi yield in Malaŵi, based on data on Lake Malombe fish catches during the years from 1976 to 2011. The study considered Autoregressive (AR), Moving Average (M… RUF-35632 2012 CC BY 4.0 8 Oct 2015
Journal articles Open Access Bioeconomic approach to rebuilding small Haplochromine cichlids of Lake Malombe, Malawi W. Jere · V. Kasulo · E. Kaunda · Orton Msiska +1 more The paper deals with the surplus production models of Verhulst Schaefer that were applied to the small haplochromine cichlids fishery to investigate the sustainability properties of the stock and management of the fishery. The basic object… RUF-35631 2012 CC BY 4.0 8 Oct 2015
Journal articles Open Access New sources of resistance to spotted stem borer, Chilo partellus in sorghum J. Kibuka · S. Kyamanywa · M. Mgonja · P.W. Muturi +1 more The lepidopteran Chilo partellus Crambid, an introduced pest in East and southern Africa from Asia, is the most economically important stem borer species infesting cereals in Africa. Chilo partellus causes more than 40% yield loss in sorgh… RUF-35624 2012 CC BY 4.0 7 Oct 2015
Journal articles Open Access Novel source of sorghum tolerance to the African stem borer, Busseola fusca C. T. Hash · S. Kyamanywa · M. Mgonja · P.W. Muturi +2 more Sorghum (Sorghum bicolor) is an important cereal food crop in semi-arid tropics, but its productivity is curtailed mainly by insect pests and diseases. The African stem borer, Busseola fusca Fuller (Lepidopteran: Noctuidae), is among the m… RUF-35621 2012 CC BY 4.0 7 Oct 2015
Journal articles Open Access Validation of the use of secondary traits and selection Indices for drought tolerance in tropical maize (Zea mays l.) C. Magorokosho · X. Mhike · P. Okori · Ndlela. Thokozile Breeding progress for drought tolerance in maize has been slow since drought tolerance is a complex trait controlled by many genes. Breeders improving maize for drought tolerance have therefore been using secondary traits and selection ind… RUF-35606 2012 CC BY 4.0 7 Oct 2015
Journal articles Open Access An appraisal of farmer variety selection in drought prone areas and Its implication to breeding for drought tolerance Shamiso. Chikobvu · Kassie. Girma Tesfahun · C. Magorokosho · X. Mhike +1 more Maize production and productivity among small scale farmers of southern Africa is limited mainly by drought and low soil fertility. This study aimed at assessing how farmers prioritize selection of varieties for planting under drought stre… RUF-35601 2012 CC BY 4.0 7 Oct 2015
Theses & Dissertations Open Access Efficacy of manual seed sorting methods in reduction of transmission of rice and cowpea seed-borne diseases Geofrey. Kawube The production of rice and cowpea in Uganda is increasing in acreage rather than productivity. This is attributed to a number of factors, mainly seed-borne diseases. The farmers in Uganda mainly use farm saved seeds for planting. These see… RUF-35511 2005 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Yield stability analysis of late blight resistant potato selections J.M.K. Mulema Potato is an important source of food and income in the highlands of East Africa. Identification of superior genotypes for improved agronomic characteristics will enhance tuber yield. Seven promising clones from population B potato selecti… RUF-35498 2007 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access On-farm evaluation of orange-fleshed sweetpotato varieties in northeastern Uganda Emmanuel Gilbert. Omiat Orange-fleshed sweetpotato (OFSP) varieties currently represent the least expensive, year-round source of dietary vitamin A available to poor families in Eastern Africa. An on-farm study was conducted in North-Eastern Uganda to assess fiel… RUF-35400 2004 CC BY 4.0 23 Sep 2015
Theses & Dissertations Open Access Utilization of multi-locational pigeonpea performance data for determination of stability parameters Samuel Murachia Kamau Multi-locational data on medium duration pigeonpea varieties in Eastern and Southern Africa was analyzed for genotype performance. The objective was to utilize multi-locational data to identify superior genotypes. The study also aimed at r… RUF-35361 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Socio-economic analysis of dairy feed technologies promoted in the Kenyan highlands Gregory Ndwandwa Sikumba The cost of feed is one of the major constraints to dairy cattle production in sub-Saharan Africa. East Africa dairy development project is promoting several feed technologies for dairy cattle in order to reduce costs and increase milk pro… RUF-35357 2013 CC BY 4.0 21 Sep 2015
