Working Document Series Open Access Using Crotalaria Species for the Management of Root-knot Nematodes of Vegetables in Western Kenya H.K. Cheruiyot · A.K. Kipkoech · Njira Njira · J.O. Ochuodho +1 more Vegetable production western Kenya is constrained by soilborne pathogens including plant-parasitic nematodes. Almost all vegetable production fields in are infested with root-knot nematodes. There is therefore need to design measures for s… RUF-32903 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Invasive Bracken Fern (Pteridium Aquilinium L. Kuhn): A Potential Risk to the Production of Legume Crops in Western Tanzania F.M. Bagarama · A.E. Majule · E. Shenkalwa This research established the risks posed to legume crop production by invasion of the degraded agricultural lands in western Tanzania by the bracken fern (Pteridium aquilinium). The test crops included the legumes beans (Phaseolus vulgari… RUF-32897 CC BY 4.0 20 May 2014
Working Document Series Open Access The effect of gypsum and NPK fertiliser on groundnut performance in Western Tanzania F.M. Bagarama · Z.P. Matata · E. Shenkalwa This study was carried out to determine the effect of amending soil with gypsum rich material on the performance of groundnuts (Arachis hypogea L.) grown in low fertile sandy textured soil in the miombo woodland ecosystem, western Tanzania… RUF-32893 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Contribution of Agroforestry to Natural Resources Management, Food Security and Climate Change Mitigation: Experiences from Tabora Region, Western Tanzania B.M. Gama · A. Kitalyi · P. Matata · G.I. Nyadzi +1 more Food insecurity, natural resources degradation and climate change are among the most critical challenges facing Tanzania and indeed, the developing world today. There is decreasing agricultural productivity as a result of increasing land d… RUF-32889 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Water Stress Effect on Yield and Water Use Efficiency of Two Wheat Varieties S.H. Ahmed · A.A. Ali Wheat is one of the first food crops to be domesticated and is a basic stable food in Europe, Asia and Africa. Wheat production is limited by insufficient water especially in the hot dry environments. In the arid and semi-arid regions, whe… RUF-32879 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Effect of Different Drip Irrigation Regimes on Growth, yield and Yield Components of Banana cv. Grand Nain Under Gizera Condition, Sudan B.A. Ahmed Al-Khalifa · M.I. Ihsan · A.A. Mohammed This study was conducted to investigate the effect of different water regimes applied by drip irrigation on growth and yield of banana cv. Grand Nain in Gizera State. Five different irrigation regimes were applied. These were 40%, 60%, 80%… RUF-32876 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Effects of Botanical Insecticides on the Egg Parasitoid Trichogramma Cacoeciae Marchal (Hym. Trichogrammatidae) H. Abdelgader This study was carried out to test the effect of the botanicals azadrichtine and Quassin on the parasitoid Trichogramma cacoeciae. For each of these, 2 formulatons were used i.e., Neemazal T/s Blank and Celaflor for azadrichtine and Alcohl… RUF-32871 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Dryland Agriculture in Kenya: Gendered risks, Vulnerabilities and Research Gaps M.A. Chesire · E.M. Mwenzwa The drylands of Kenya that comprise of Arid and Semi-Arid Lands (ASALs) make up about 80% of the total land area and support approximately 30% of the population, mainly pastoralists and agro-pastoralists. They are home to most of wildlife … RUF-32869 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Assessment of Climate change Impact on Sorghum Productivity in Sudan M. Muna Elhag Water rather than land is the limiting factor for crop production in Sudan. More than 80 percent of sorghum, which is the major stable food crop in the country, is grown in the rainfed subsector. This paper reports on a study of the impact… RUF-32866 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Assessment of Impacts of Climate Variability and Change on Rainfed Sorghum Productivity in Central Tanzania N. Kihupi · B. Msongaleli · F.B.R. Rwehumbiza · S.D. Tumbo The central regions of the country stretching from Dodoma to Mwanza account for three-quarters of Tanzania’s 500,000 to 800,000 ton annual sorghum harvest. The zone is one of the most sensitive to climate variability and change mainly owin… RUF-32864 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access An overview of Pollution Loading into Lake Kivu Basin S. Bashwira · F. Kansiime · J.G.M. Majaliwa · M. Tenywa Increasing pollution loading is one of the factors which have led to instability of the Lake Kivu threatening the survival of millions of people living around it. This study will i) characterise and quantify historical land use and livelih… RUF-32858 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access The Impact of Climate Change on Mud crab Fishery and Fattening to the Communities Livelihood in Pangani and Rufiji Estuaries in Tanzania J.M. Abdallah · E.L. Kamata · H.A. Lamtane The mud crab (Scylla serrata) is a big portunid crab that lives on soft muddy bottoms association with mangrove-lined estuaries in the Indo-West Pacific. They have fast growth rates, early maturity, wide distribution and high fecundity. Ma… RUF-32854 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Impact of Climate change Variability on Abundance of Crab in Pangani Estuary M.E. Kalinga · E.L. Kamata · H.A. Lamtane This research proposal focuses on the impact of climate change on abundance of mud crab (Scylla serrata) in the wild stock. Crab farming is practiced by collecting seeds from the wild and then shorten their growth period by fattening. Mud … RUF-32850 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Estimation of Pollution loading into Lake Kivu Basin M. Bagalwa · S. Bashwira · F. Kansiime · K. Karume +2 more This study aimed at estimating sediment and nutrient loading into Lake Kivu from River Lwiro micro-catchment in Eastern DR Congo. Total Suspended Sediment (TSS), Total Nitrogen (TN), and Total phosphorus (TP) concentration, and Biological … RUF-32845 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Climate Change Vulnerability and Adaptation Responses among Fish Dependent Communities in the Albertine and Victoria Drainage Basins in Uganda S. Alweny · K. Angura · C. Masembe · V.B. Muwanika This research assessed the climate change vulnerability and adaptation responses among fish dependent communities in the Albertine drainage basin in Uganda. Results revealed that fishing communities in the three landing sites visited were … RUF-32842 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access On-farm Analysis of the use of clear Plastic Pond Sheeting for Enhanced Growth and Productivity of Tilapia Rendalli and Oreochromis Shiranus Polyculture in Earthen Ponds E.W. Kaunda · J.M. Kihoro · C.G. Salima The effect of clear plastic sheeting on growth of Tilapia rendalli and Oreochromis shiranus polyculture and pond productivity was assessed in twelve 200m2 ponds in Dowa district, Malawi. Clear plastic sheets of 200 microns were installed 5… RUF-32837 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Epidemiology of Epizoootic Ulcerative Syndrome (EUS) on Fish in the Zambezi River System: A case study for Zambia B. Mfitilodze · A.R. Nsonga · K.L. Samui · D. Sikawa An epidemiological investigation was conducted from January to December 2011 in the Sesheke District of Zambia along the Zambezi River. The study aimed at determining factors associated with the outbreak of epizootic ulcerative syndrome (E… RUF-32834 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access The Effect of Fish Farming Systems on Water quality and community livelihoods in Mbale: A Socio Economic and Biophysical Assessment A. Akol · H. Gidongo · T.S. Hyuha · F. Muyodi +1 more Fish farming contributes to people’s livelihoods, nutrition security, and foreign exchange. However, these potential may be achieved at the expense of the environment. This study determined the effect of fish farming on water quality and l… RUF-32831 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Fish Diversity of two major inlet rivers of Lake Malawi: Spatial and Temporal Change D. Kassam · E.W. Kaunda · F. Maguza-Tembo · M. Matsimbe +1 more A study to investigate spatial and temporal changes in fish species diversity of Bua and Linthipe rivers was conducted between March 2010 and August 2011. Fish was sampled using a 6.35mm (¼ inch) seine net or by electrofishing in five site… RUF-32829 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Combined Effect of Selected Technologies on Growth, Survival and Water quality of Improved Strain of Oreochromis Shiranus in Earthen Ponds of Dowa District, Malawi L. Jere · J. Kang’ombe · E.W. Kaunda · P.M. Longwe +2 more The study to evaluate the combined effect of feed, feeding trays and clear plastic pond sheeting technique on the growth, survival and water quality of the improved strain of Oreochromis shiranus was conducted in Dowa District, Malawi, fro… RUF-32827 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Assessment of the Performance of the Aquaculture Fish Marketing chain: A case of Dowa and Mchinji Districts in Malawi D. Kaunda · D. Lisungu Banda · E. Ngongola This study was carried out in Dowa and Mchinji Districts in the Central Region of Malawi. The main purpose of the study was to improve the marketing system of the small scale fish farmers for increased income with particular focus on asses… RUF-32822 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Reproductive Seasonality of Opsaridium Microlepis (mpasa) in the Linthipe River in Central Malawi D. Jamu · E.W. Kaunda · M. Limuwa · F. Maguza-Tembo +1 more Opsaridium microlepis is one of the fish species in Lake Malawi. The species is known to migrate to major river affluents for spawning. One of the rivers where they migrate is the Linthipe. The reproductive seasonality of this species into… RUF-32818 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Shelf life of whole Lake Malawi Tilapia (Chambo) stored in ice J. Kang’ombe · F. Kapute · C. Kiiyukia · J.S. Likongwe +1 more This study was conducted to determine time when freshly caught Lake Malawi tilapia (Chambo) can remain in acceptable and safe condition for consumers. Sensory, microbiological, and proximate composition analyses including measurement of pH… RUF-32814 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Food type preference, Breeding Seasonality and size at first Maturity of Synodontis njassae of Southeast arm of Lake Malawi K.M. Kamtambe · E.W. Kaunda · F. Maguza-Tembo · A. Msukwa The food type preferencein the southeast arm of Lake Malawi was studied. Frequency of occurrence, gravimetric, volumetric and index of relative importance was used to assess food preference. It was found that S. njassae is an omnivore, con… RUF-32808 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Breeding Seasonality and Size at first Maturity of Synodontis njassae of Southeast arm of Lake Malawi K.M. Kamtambe · E.W. Kaunda · F. Maguza-Tembo · A. Msukwa Breeding seasonality and size-at-first maturity of Synodontis njassae in southeast arm of Lakes Malawi was studied. It was found that males mature earlier than females (10.6cm and 11cm, respectively). The size at 50% maturity for both sexe… RUF-32807 2012 CC BY 4.0 19 May 2014
