Joshua Wanyama

ORCID: 0000-0003-1799-4788
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About
Contact & Profiles
Research Areas
  • Irrigation Practices and Water Management
  • Hydrology and Watershed Management Studies
  • Smart Agriculture and AI
  • Soil erosion and sediment transport
  • Water resources management and optimization
  • Aquatic Ecosystems and Biodiversity
  • Energy and Environment Impacts
  • Rangeland Management and Livestock Ecology
  • Water Quality Monitoring Technologies
  • Groundwater and Watershed Analysis
  • Soil and Land Suitability Analysis
  • Plant Water Relations and Carbon Dynamics
  • Water-Energy-Food Nexus Studies
  • Coastal wetland ecosystem dynamics
  • Child Nutrition and Water Access
  • Greenhouse Technology and Climate Control
  • Flood Risk Assessment and Management
  • Land Rights and Reforms
  • Municipal Solid Waste Management
  • Agricultural Innovations and Practices
  • Solar Radiation and Photovoltaics
  • Agricultural Engineering and Mechanization
  • Composting and Vermicomposting Techniques
  • Food Waste Reduction and Sustainability
  • Conservation, Biodiversity, and Resource Management

Makerere University
2015-2024

National Agricultural Research Organisation
2018-2019

KU Leuven
2011-2013

The Soil and Water Assessment Tool (SWAT) is a versatile model presently used worldwide to evaluate water quality hydrological concerns under varying land use environmental conditions. In this study, SWAT was simulate streamflow estimate sediment yield nutrients loss from the Murchison Bay catchment as result of changes. calibrated validated for extended periods. Sequential Uncertainty Fitting (SUFI-2) global sensitivity method within Calibration Procedures (SWAT-CUP) identify most sensitive...

10.4236/cweee.2017.61003 article EN cc-by Computational Water Energy and Environmental Engineering 2016-12-20

Sustainable land use systems planning and management requires a wider understanding of the spatial extent detailed human-ecosystem interactions astride any landscape. This study assessed historical, current, future in Uganda. The specific objectives were to (i) characterize assess historical current systems, (ii) project systems. defined classified using spatially explicit use/cover layers for years 1990 2015, while prediction (for year 2040) was determined datasets both through Markov chain...

10.3390/land7040132 article EN cc-by Land 2018-11-08

Growth in cattle population is associated with increased manure generation whose current management low-income countries health and environmental problems as well low utilization rates. This trend can be reversed by promoting better technologies. study assessed vermicomposting one of the technologies to manage organic wastes, using case Uganda. A system earthworms (Eudrilus euginea) was monitored for year harvesting products (compost, earthworm biomass) after every three months. Vermicompost...

10.3390/su11195173 article EN Sustainability 2019-09-20

The adverse effects of climate change and variability are hindering agricultural productivity in developing countries. When combined with the laborious nature irrigated agriculture, many smallholder farmers these countries abandon irrigation systems or occasionally fail to implement an event due other commitments. Therefore, this necessitates smart technology advances agriculture deal problems energy use efficiency, cost, water conservation, drudgery. This study aimed at a mobile...

10.1016/j.atech.2023.100273 article EN cc-by-nc-nd Smart Agricultural Technology 2023-06-18

Policy makers in sub-Saharan African (SSA) countries have identified irrigation as a key ingredient to boosting food security and income well precursor for agricultural development. However, most SSA hardly exploited their potential. The overarching aim of this paper is critically examine factors constraining exploitation potential Uganda. Lessons learned from previous interventions successes elsewhere comparable Uganda are drawn future perspectives guide effective planning development...

10.1061/(asce)ir.1943-4774.0001159 article EN Journal of Irrigation and Drainage Engineering 2017-01-25

Abstract The effectiveness of tropical grass species in strips different length trapping sediment from cropland was assessed, and the influence filter determined. assessment made under natural rainfall which induced sheet rill erosion run‐off plots then using simulated caused concentrated erosion. evaluated grasses were elephant grass, lemon paspalum sugarcane. Run‐off on a 10% slope randomized complete block design replicated three times. Filter lengths 2.5, 5 10 m against 10‐m‐long source...

10.1111/j.1475-2743.2012.00409.x article EN Soil Use and Management 2012-04-27

The Murchison Bay catchment in the northern shoreline of Lake Victoria basin is a high valued ecosystem because numerous human-related activities it supports Uganda. has undergone tremendous human-induced land use/cover changes, which have not been quantified. This study aimed at quantifying changes as well rate these occurred over last three decades catchment. was achieved using remote sensing techniques and Geographic Information System (GIS) to analyse contextualize changes. To that...

10.5539/jsd.v11n1p44 article EN Journal of Sustainable Development 2018-01-30

In developing countries, energy demand from biomass has increased due to exponential population growth. This translated into voluminous quantities of wood being used. The situation is exacerbated by the popular use inefficient stoves with low thermal insulation, hence contributing deforestation. this study, performance a cooking stove improved sawdust as an insulation material was assessed. An insulated fire prototype 26 cm saucepan diameter designed, constructed, and cast clay in ratio 1 :...

10.1155/2021/9969806 article EN Journal of Renewable Energy 2021-05-28

The rising competition for scarce land and water resources the need to satisfy global food demand from an ever-growing population necessitates novel methods monitor irrigation scheme performance improved use efficiency. traditional employed in sub-Saharan Africa assess are point-based, expensive, time-consuming, making monitoring evaluation of these capital-intensive projects difficult. This study aimed at employing satellite data with high spatial temporal resolution assessing Doho Rice...

10.1016/j.atech.2023.100184 article EN cc-by Smart Agricultural Technology 2023-01-19

Irrigation schemes across sub-Saharan Africa are constructed with the intention of increasing agricultural production to increase food security, reduce poverty and improve economic growth. However, most these not performing as expected. This study therefore, diagnosed performance gaps in pilot irrigation Mubuku Doho Uganda analysed sustainable improvement options. Data was collected through systematic review literature scheme data, direct measurements at schemes, field surveys, inspections,...

10.1016/j.heliyon.2024.e31600 article EN cc-by-nc-nd Heliyon 2024-05-01

ABSTRACTSurface irrigation is a widely utilized method for agricultural irrigation, but it often suffers from low conveyance efficiency. Improving flow conditions in surface systems crucial enhancing water distribution and optimizing crop production. This study presents comprehensive hydraulic modelling approach aimed at improving canals. The analysis focuses on the Doho Rice Irrigation Scheme Uganda utilizes HEC-RAS model. Different canal conditions, including desilting vegetation clearing,...

10.1080/09715010.2023.2245785 article EN ISH Journal of Hydraulic Engineering 2023-08-11
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