Working Document Series Open Access Nutritional value of Grewia Flavescens: Implications for Household Food Security in Northeastern Rift Valley of Ethiopia Feyssa Debela Hunde · J.T. Njoka · M.M. Nyangito · Asfaw Zemede Grewia flavescens A. Juss, commonly known as donkey berry is an under-utilised wild plant species in Ethiopia. It is used for food and fodder for humans and livestock, respectively. Agricultural expansion and increased frequencies of droug… RUF-33070 2012 CC BY 4.0 21 May 2014
Working Document Series Open Access Response of maize and soybean crops to inorganic fertilisers in Western Kenya A.K. Kipkoech · P.O. Mongare · A.O. Nekesa · J.O. Ochuodho +2 more Fertiliser performance trials involving three Farmer Associations (FAs) were set-up starting 2011 long rains to assess the output potential of five commercially available fertilisers, namely Calcium Ammonium Nitrate-CAN, Triple Super Phosp… RUF-32967 2012 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 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 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 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 Effects of FarmYard Manure and Mineral Fertilisers on Maize Yield and Soil Properties in two Districts of Southern Rwanda B.E. Mochoge · I. Munyabarenzi · L. Nabahungu Agriculture in Rwanda is characterised by low productivity due to decline in soil fertility. This is mainly attributed to the mining of nutrients due to continuous cropping without external addition of adequate nutrients coupled with small… RUF-32726 2012 CC BY 4.0 18 May 2014
Working Document Series Open Access Improving Water Storage in Soils to Enhance Nutrient use Efficiency and Crop Yields for Enhanced Livelihoods of Small Scale Farmers in Semi-arid eastern Kenya B.O. Danda · C. Kibunja · G. Kironchi · B.E. Mochoge The current food situation in Kenya is alarming so that food is extremely expensive for the larger Kenyan population. This is largely due to the frequent droughts in the country and especially because more than 80% of the land is arid to s… RUF-32711 2012 CC BY 4.0 18 May 2014
Working Document Series Open Access Spatial and Temporal Distribution and Utilisation of Fallow Land in South Central Zimbabwe E. Manzungu · L. Mtali The purpose of this study was to assess the spatial and temporal distribution of fallow land between 1984 and 2010 in Zimbabwe’s communal areas and its utilisation. Chivi district, which is located in south central Zimbabwe, was used as a … RUF-32695 2012 CC BY 4.0 18 May 2014
Working Document Series Open Access Mineralogy of Africa’s Soils as a predictor of Soil Fertility M.N. Kamau · B. Mochoge · K.D. Shepherd Soil mineralogy is essential to understanding many facets of land use and a key determinant of all soil functional properties that are expensive or time-consuming to measure, and can solve specific agricultural and environmental problems. … RUF-32683 2012 CC BY 4.0 18 May 2014
Working Document Series Open Access Arbuscular Mycorrhiza and Water and Nutrient Supply Differently Impact Seedling Performance of Acquisitive and Conservative Dry Woodland Species Frans Bongers · Birhane Emiru · Gebrehiwot Kindeya · T.W. Kuyper +1 more Arbuscular mycorrhizal (AM) fungi are known to increase seedling survival and performance through enhancement of nutrient and water uptake. Acacia etbaica, Acacia senegal and Boswellia papyrifera dominate large areas in African drylands. W… RUF-32661 2012 CC BY 4.0 18 May 2014
Working Document Series Open Access Pigeon pea-Groundnut Intercrop Maize Rotation Cropping System: A Tool for Improving Maize Production in Malawi J. Mrema · J.J. Msaky · A.T. Phiri · G.Y.K. Phiri A two year study to investigate how to optimally utilize applied mineral nutrients by maize grown in rotation with pigeon peagroundnut intercrop is under way at Chitedze Agricultural Research Station (S 130 59’ 23.2", E0330 38’ 36.8"). An … RUF-32227 2012 CC BY 4.0 14 May 2014
Working Document Series Open Access Improving Soil Properties Through Use of Unburnt Local Limes in Acidic Soils of Burera District, Rwanda J.N. Mugwe · A. Nduwumuremyi · V. Ruganzu This study was carried out at Rwerere Research Station located in the highlands of Buberuka, Rwanda. Three local limes (Musanze, Rusizi and Karongi) were evaluated in a randomized complete block design (RCBD)) experiment established in Sep… RUF-31834 2012 CC BY 4.0 8 May 2014
Working Document Series Open Access Growing Tithonia Diversifolia for Fertility Restitution of Technosols from Coltan Mined Soils of Gatumba, Rwanda B. Mochoge · F. Naramabuye · A. Ndoli · Rolf Nieder The present study was conducted to evaluate the capacity of Tithonia diversifolia to mobilise nutrients and the ability of technosols to produce tithonia biomass for fertility restitution. A greenhouse pot experiment was conducted and tith… RUF-31830 2012 CC BY 4.0 8 May 2014
Theses & Dissertations Open Access Developmental Changes in the Activity of Major Intestinal Brush Border Enzymes in the Wild Juvenile Nile Perch, Lates niloticus (Linnaeus, 1758) Charles Drago Kato The Nile perch, Lates niloticus is a carnivorous fish and a potential candidate for aquaculture. The ability of fish to utilize ingested nutrients depends on availability of appropriate enzymes along the intestinal tract and can be used in… RUF-31688 2011 CC BY 4.0 10 Mar 2014