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 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 Applying Large Area Modelling Approach to Assess the Impacts of Climate Variability and Change: Informing Policy and Adaptation - A review N. Kihupi · B. Msongaleli · F.B.R. Rwehumbiza · S.D. Tumbo This review highlights some pertinent methodologies in dealing with uncertainty in climate projections and how crop models are increasingly used to support decisions at various levels to guide food security policy formulation, management a… RUF-32863 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Speargrass as a Soil Fertility Indicator along a Deforestation Chronosquence A.K. Amoding · M. Karuhanga-Beraho · S. Kiconco · K. Senkosi +1 more This study estimated the time taken for speargrass (Imperata cylindrica) to occur on arable fields along a deforestation chronosquence; established the effect of burning on soil properties and determined the reliability of speargrass as a … RUF-32750 2012 CC BY 4.0 18 May 2014
Working Document Series Open Access Gender Roles in Soil Fertility and Water Management for Maize (Zea mays L.) Production in Urban Agriculture: A Case for Harare, Zimbabwe J. Nyamangara · B. Nyamasoka · P. Nyamugafata A survey of 205 farmers in Harare and Chitungwiza, Zimbabwe was conducted to characterise soil fertility and water management practices used by urban farmers to produce maize and to determine the influence of gender on their use. Results s… RUF-32731 2012 CC BY 4.0 18 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 Translating Integrated Soil Fertility Management Empirical Knowledge into Action through Participatory Learning and Marketing Agricultural Produce in Zimbabwe R. Chikowo · D. Dhliwayo · P. Mapfumo · F. Mtambanengwe +2 more The study sought to identify suitable mechanisms for transferring the available knowledge on concepts and principles of integrated soil fertility management (ISFM) technologies to smallholder farmers and agricultural service providers in Z… RUF-32722 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 An Assessment of the Processes and Pathways to Achieve Innovation in Conservation Agriculture in Malawi: A Case of Machinga Agricultural Development Division D. Kambewa · J. Kamoto · C. Mloza-Banda · H.R. Mloza-Banda +1 more A study was carried out in Machinga Agricultural Development Division, located in the Southern Region of Malawi to assess the institutional arrangements for implementation of conservation agriculture (CA). Social network analysis was used … RUF-32706 2012 CC BY 4.0 18 May 2014
Working Document Series Open Access Characterisation of Vermiculites from the Neoproterozoic Mozambique Belt of Tanzania for Agricultural Applications S. Hillier · E.M.M. Marwa · A.A. Meharg · C.M. Rice The study assessed the mineral phases and properties of five Tanzanian vermiculites in response to the temperature used to expand them with respect to their potential suitability for agricultural applications. One sample from Palabora Mine… RUF-32700 2012 CC BY 4.0 18 May 2014
Working Document Series Open Access Effectiveness of White Lupin (Lupinus albus) and Chickpea (Cicer arietinum ) in Enhancing Phosphorus Release from Rock Phosphate J.J. Lelei · R.N. Onwonga · J.P. Ouma Smallholder farming systems are characterised by application of suboptimal rates or non utilisation of inorganic fertilisers due to their exorbitant prices vis-à-vis low financial return from crops. Minjingu rock phosphate (MPR) would be a… RUF-32687 2012 CC BY 4.0 18 May 2014
Working Document Series Open Access Predicting tef Yield using AquaCrop Model Under Various Water Availability Regimes: A case study in Northern Ethiopia Alemie Araya · S. Habtu · Haileselassie Hailay Tef is one of the most important food crops grown in northern Ethiopia. This region is severely affected by drought. To continue producing the crop, it is necessary improve efficient use of water by tef within the context of climate variab… RUF-32671 2012 CC BY 4.0 18 May 2014
Working Document Series Open Access Improving Rainwater use Efficiency in Teff for Enhancing Adaptation to Climate Variability and Climate Change in the Northern Ethiopia Alemie Araya · Gebresamuel Girmay · S. Habtu · Meles Kiros +1 more The main limitation in stabilising food security in Ethiopia is the dependency of the farming system on erratic rainfall. The production of teff, an Ethiopian staple food crop adapted to rainfed farming, has been affected by water stress w… RUF-32667 2012 CC BY 4.0 18 May 2014
Working Document Series Open Access Potential of School Gardening as a Laboratory for Developing Life Skills in Agriculture: The case of Universal Primary Education Schools in Kamuli and Soroti Districts, Uganda S. Apolot · P. Kibwika · B.F. Kyazze · Dorcas Elizabeth Loga School curricula in Africa emphasise competitive academic subjects and prioritize terminal examinations over practical skills. Although it has been argued that schools can serve as platforms for reaching rural communities with farming inno… RUF-32585 2012 CC BY 4.0 17 May 2014
Working Document Series Open Access Changes in Farming Practices in the Lake Kivu Basin M.W. Adidja · S. Bashwira · F. Kansiime · J.G.M. Majaliwa +1 more Provinces of eastern D.R. Congo are going through a period of political instability which has impacted negatively on the way smallholder farmers manage natural resources. This has contributed to increased degradation of Lake Kivu water and… RUF-32580 2012 CC BY 4.0 17 May 2014
Working Document Series Open Access Impact of transgenic sweet potato on non-target species M. Ghislain · W.J. Moar · S.B. Mukasa · B. Odongo +2 more Sweetpotato is affected by the sweetpotato weevil (Cylas spp.) which caused immense tuber yield loss in many sub-Saharan Africa countries. Management of this pest is still difficult. The International Potato Centre has introduced insectici… RUF-32568 2012 CC BY 4.0 17 May 2014
Working Document Series Open Access Inheritance of Phosphorus use Efficiency and Resistance to Anthracnose in Selected Sorghum Genotypes Grown in the Acid Soils of Western Kenya S. Gudu · A. Nyambok · P. Okori The acid soils of Western Kenya where most of the sorghum is grown have very low available phosphorus, and thus cannot support optimal sorghum productivity. In addition, foliar anthracnose (Colletotrichum sublineolum L.) also reduces sorgh… RUF-32546 2012 CC BY 4.0 17 May 2014
Working Document Series Open Access Performance of Selected Grain Sorghum Genotypes for Improved Food Security and Livelihoods S. Kyamanywa · M. Mgonja · P.W. Muturi · P. Rubaihayo +1 more Sorghum is a useful cereal crop cultivated by numerous resource poor farmers in semi arid regions. The crop is indigenous thus well adapted to various environments in Kenya. Sorghum performs better than other cereal staples particularly ma… RUF-32542 2012 CC BY 4.0 17 May 2014
Working Document Series Open Access Mechanisms of Resistance in Tropical Maize Inbred Lines to Spotted Stem Borer (Chilo Partellus) S.N. Mugo · S.W. Munyiri · J.K. Mwololo · P. Okori +1 more This study examined the mechanisms of stem borer resistance in CIMMYT tropical inbred maize. Kenya is a producer of maize, but cannot satisfy its domestic needs. The maize stalk borers are among the production constraints that are responsi… RUF-32536 2012 CC BY 4.0 17 May 2014
Working Document Series Open Access Potential Sources of high Iron and Zinc Content in Ugandan Bean Germplasm R. Edema · P. Gibson · F. Mukamuhirwa · C. Mukankusi +1 more The study was conducted at National Agricultural Research Laboratories (NARL) at Kawanda in order to identify potential sources of high iron and zinc content, Such varieties would contribute to improved health of bean (Phaseolus vulgaris) … RUF-32517 2012 CC BY 4.0 17 May 2014