Working Document Series Open Access Effects of agronomic management practices on soil microbial communities in a maize cropping system J. M. Maingi · M. Mucheru-Muna · E. M. Njeru · M. M. Nyamwange Conventional and organic agriculture are mainstream soil agronomic management practices used by farmers in Kenya to improve crop production and soil fertility. However, long-term use of these soil management systems can have deleterious or… RUF-39764 2018 CC BY 4.0 18 Jan 2023
Working Document Series Open Access Effect of chisel plough shank design on some soil physical properties and sorghum growth and yield attributes in Gardud soil types B.Z. Moayad · B.O. Sarra Effect of curved and obtuse shank designs of chisel plough on some physical properties of sandy clay loam and sandy clay soil as well as sorghum growth and yield attributes were studied. In sandy clay loam and sandy clay soil, the curved s… RUF-39349 2018 CC BY 4.0 28 Jul 2021
Journal articles Open Access Coconut-gliricidia mixed cropping systems improve soil nutrients in dry and wet regions of Sri Lanka A. J. Atapattu · Sylvanus Mensah · S. P. Nissanka · S. A. S. T. Raveendra +1 more Agroforestry systems are alternative solutions for production and management of agricultural systems which may improve soil quality. In this study, we evaluated the potential of coconut Cocos nuciferabased Gliricidia (Gliricidia sepium) sy… RUF-39288 2021 CC BY 4.0 7 Jun 2021
Working Document Series Open Access Influence of Mavuno and farm yard manure fertilization on soil carbon fractions in soils of western Kenya S. C. Kamanga · R.N. Onwonga Soil management practices alter organic carbon fraction distribution and hence the ability of the soil to sequester carbon and/or resist erosion. The current study’s main objective was to investigate the influence of organic (FYM) and inor… RUF-38593 2018 CC BY 4.0 25 Aug 2020
Theses & Dissertations Open Access Evaluation of some plant extracts as surface-active agents in drilling mud formulations T. C. Biwott This research was aimed at: evaluating physicochemical properties of Carica papaya -PL, Vernonia amygdalina - BL, Terminalia mantaly - TL and Moringa oleifera – ML; establishing rheological properties of the drilling mud formulated with th… RUF-38463 2020 CC BY 4.0 8 Aug 2020
Journal articles Open Access Terminalia mantaly leaves as a novel additive in water-based drilling MUD J.O. Akaranta · T. C. Biwott · Oriji Boniface · A.K. Kiprop In drilling processes, mud additives and cuttings comprise waste drilling fluids which end up being disposed into the environment. Naturally based mud additives that are eco-friendly, cheap and can improve the rheological properties and fi… RUF-38421 2019 CC BY 4.0 3 Aug 2020
Journal articles Open Access Soil physical properties and carbon/nitrogen relationships in stable aggregates under legume and grass fallow S. Omovbude · Bassey Etim Udom Short-season fallow with legumes and/or grasses can restore the soil organic C and nitrogen (N) and improve soil structure. In this study, we accessed the effects of 2-season legume and grass fallow on structural properties and C/N relatio… RUF-38062 2019 CC BY 4.0 29 May 2019
Journal articles Open Access Plastic limits and aggregates of soil after five annual applications of poultry manure and spent mushroom substrate Joy John Oluchi · Bassey Etim Udom Background and Objective: Information concerning moisture properties of soil on account of their direct relation with changes of soil matrix can be obtained by evaluating the Atterberg limits of the soil. The study was carried out to evalu… RUF-38059 2019 CC BY 4.0 29 May 2019
Journal articles Open Access Critical moisture content, bulk density relationships and compaction of cultivated and uncultivated soils in the humid tropics Joy Ehilegbu · Bassey Etim Udom Soil compaction affects soil fertility through increasing bulk density and soil strength. It also decreases infiltration rate, total porosity and amount of water stored in the root zone for crop use. In this study, we evaluated the optimum… RUF-38055 2018 CC BY 4.0 29 May 2019
Journal articles Open Access Land cover and soil properties influence on forage quantity in a semiarid region in East Africa A. Egeru · G. Gabiri · L. MacOpiyo · M.G.J. Majaliwa +2 more Soil properties contribute to the widely recognised resilience of semiarid areas. However, limited attention has been given in providing a scientific basis of how semiarid soil properties in the various land covers occur and how they influ… RUF-37883 2019 CC BY 4.0 9 Apr 2019
Working Document Series Open Access The role of environmental education in soil conservation and management in Kalisizo, Rakai district, Uganda A. Egeru · J. Nassuna This study examined the role of environmental education in soil conservation and management in Rakai District. Data were collected through a mixed methods approach involving the use of cross-sectional survey, focus group discussions and ke… RUF-37166 2016 CC BY 4.0 20 Sep 2017
Working Document Series Open Access Impact of soil and water conservation improvement on the welfare of smallholder farmers in Southern Malawi A.K. Edriss · F. Maguza-Tembo · J. Mangisoni This study utilised full Mahalanobis matching and a variety of propensity score matching methods to adjust for pre-treatment observable differences between treated and untreated groups for measuring the impact of technologies. Data were co… RUF-37023 2016 CC BY 4.0 18 Sep 2017
Journal articles Open Access Potential of native rhizobia in enhancing nitrogen fixation and yields of climbing beans (Phaseolus vulgaris L.) in contrasting environments of Eastern Kenya Jacinta M. Kimiti · Gilbert Koskey · John Maingi · Simon W. Mburu +2 more Climbing bean (Phaseolus vulgaris L.) production in Kenya is greatly undermined by low soil fertility, especially in agriculturally prolific areas. The use of effective native rhizobia inoculants to promote nitrogen fixation could be benef… RUF-36665 2017 CC BY 4.0 7 Apr 2017
Working Document Series Open Access Russia-Africa collaboration in the area of soil science The Russia-Africa Collaboration in the area of Soil science is a new undertaking by the Eurasian Center for Food Security based at the Lomonosov Moscow State University, The World Bank and The Regional Universities for Capacity Building in… RUF-36492 2016 CC BY 4.0 21 Nov 2016
Theses & Dissertations Open Access Spatial Variability of Hydric Soil Properties to Delineate Khalong-la-Lithunya Wetlands Motlalepula Gerard Rasekoele Spatial variability in wetland soils provide insight into underlying ecosystem processes and may itself give an indication of wetland condition. The study was conducted to characterise and delineate soil variability of wetlands of Khalong-… RUF-36474 2016 CC BY 4.0 7 Nov 2016
Theses & Dissertations Open Access Hydro-period, surface-ground water interactions and water quality to assess wetland condition of Khalong-la-Lithunya Motseko Mots'ets'e Wetland degradation may pose effects on wetland functioning. Wetland hydrology and water quality are important in understanding wetland systems in evaluating wetland functions and processes hence are used to assess the wetland condition. T… RUF-36472 2016 CC BY 4.0 7 Nov 2016
Working Document Series Open Access Reducing pre-harvest aflatoxin content in groundnuts through soil water management R.L. Brandenburg · H. Chalwe · O.I. Lungu · A. Mutiti Mweetwa +2 more In Zambia, groundnut (Arachis hypogaea L.) is an important food and market crop. However, the crop has very limited access to international markets due to high concentrations of aflatoxins in kernels, which pose serious health concerns. Th… RUF-36403 2016 CC BY 4.0 26 Oct 2016
Theses & Dissertations Open Access Inheritance of phosphorus use efficiency and resistance to anthracnose in selected sorghum genotypes grown in the acid soils of Western Kenya A. Nyambok The acid soils of western Kenya where most of the sorghum is grown have very low available phosphorus, at 2-5mg P/kg soil compared to the recommended levels of 10-15mg P/ kg soil required for optimal crop productivity. In these soils, sorg… RUF-35837 2014 CC BY 4.0 28 Jan 2016
Theses & Dissertations Open Access Impact of land use and cover change on soil quality And pasture productivity in semi-arid rangelands: the Case of Nakasongola district, Uganda E. Zziwa The impact of land use and cover change on soil quality and pasture production was investigated in the rangelands of Nakasongola District, Uganda. Landsat (TM) images of 1986 and 1990 and Landsat (ETM+) of 2000 and 2004 for Nakasongola Dis… RUF-35774 2011 CC BY 4.0 19 Nov 2015
Journal articles Open Access Tillage effects on selected soil physical properties in a maize-bean intercropping system in Mwala District, Kenya N. Amuri · C.K.K. Gachene · Patrick. Gicheru · Anne Karuma +1 more A field study was carried out to evaluate the effects of tillage practices on soil physical properties in Mwala district, Eastern Kenya, duringthelongrains(LR)andshortrains(SR)of2012/13.Thetreatmentswerediscploughing(DP),discploughingandharr… RUF-35757 2014 CC BY 4.0 17 Nov 2015
Journal articles Open Access Determination soil Rhizobium populations, intrinsic antibiotic resistance, nodulation and seed yield of faba bean and soybean in Western Ethiopia Tolera Abera · Tolessa Debele · Haekoo Kim · Ernest Semu +1 more Legumes like faba bean (Vicia faba L.) and soybean (Glycine max L.) is able to fix 20–60 kg N ha 1 under tropical environments, but these amounts are significant for the succeeding cereal to meet the N requirement for economically attracti… RUF-35739 2015 CC BY 4.0 16 Nov 2015
Journal articles Open Access Effects of faba bean break crop and N rates on subsequent grain yield and nitrogen use efficiency of highland maize varieties in Toke Kutaye, western Ethiopia Tolera Abera · Tolessa Debele · Haekoo Kim · Ernest Semu +1 more The biological N2-fixation in faba bean on subsequent nitrogen fertilizer requirement of highland maize varieties would be useful in guiding application of additional nitrogen fertilizer in cropping sequence. Maize planted following faba b… RUF-35737 2015 CC BY 4.0 16 Nov 2015
Journal articles Open Access Nutrient status of soils from farmers’ maize fields in mid altitude areas of Western Ethiopia Tolera Goshu Abera · Tolessa Debele · Haekoo Kim · Ernest Semu +1 more Inappropriate land use can deplete nutrient contents of crop land that leads to reduce nutrient concentrations and productivity. However, monitoring nutrient status of crop land can help producer take appropriate remedial measures before s… RUF-35735 2015 CC BY 4.0 16 Nov 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
Theses & Dissertations Open Access Evaluation of watershed management in and around Echuya forest reserve, Western Uganda Richard McBond Asiimwe The study was about watershed management for preservation, conservation and sustainable use of resources. The study was carried out in Kabale and Kisoro districts in Kigezi highlands where population pressure on land is high due to a high … RUF-35546 2010 CC BY 4.0 30 Sep 2015
