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| 1 | Trend and magnitude of changes in climate variables and reference evapotranspiration over 116-yr period in the Platte River Basin, central Nebraska–USA显示文摘 | Suat Irmak Isa Kabenge Kari E. Skaggs Denis Mutiibwa | 2011 | Journal of Hydrology2011，，： | 2 |
| 2 | Estimation of spatial and temporal water requirements of grain amaranth using satellite,local and virtual weather stations datasets in Uganda显示文摘In this study,an integrated approach incorporating Remote Sensing(RS),Geographical Information System(GIS),local meteorological weather stations’data and NASA’s virtual meteorological stations’data were used to quantify Grain Amaranth(GA)water requirements in Uganda.Penman-Monieth method within CropWAT8 model and Surface Energy Balance Algorithm for Land(SEBAL)Model was used to quantify the evapotranspiration.Normalized Difference Vegetation Index(NDVI),daily spatial distribution of Evapotranspiration(ET),Land Surface Temperature(LST)and surface albedo were extracted from satellite imagery.The ratio of effective rainfall(Pe)to Potential Evapotranspiration(PET)–(Pe/PET)and time series for NDVI were computed to determine the growth stage of GA in different areas.The GA water demand was the highest in Karamoja sub-region(467.5 mm/season)and the lowest in Tororo(174.1 mm/season).The growing season for GA in most areas of Uganda was from March to December.Estimation of evapotranspiration in Karamoja sub-region with SEBAL model corresponded to the NDVI extracted,especially for highly vegetated areas.CROPWAT indicated that if GA was planted during the late September and early October in Karamoja sub-region,despite the decreasing moisture levels,the crop could have sufficient water supply during emergence to maturity.The ability to utilize low available moisture levels makes GA a potential crop to bridge the gap(due to the elongated drought)for the food production cycle in Karamoja sub-region. | Joseph Kyagulanyi Isa Kabenge Noble Banadda John Muyonga Peter Mulamba Nicholas Kiggundu | 2016 | International Journal of Agricultural and Biological Engineering2016，9，2： | 1 |
| 3 | Optimization of adsorbent dose and contact time for the production of jackfruit waste nutrient-enriched biochar显示文摘Raw biochar can be enriched with nutrients from digestates through adsorption producing nutrient-enriched biochar.The nutrient-enriched biochar can be used as a soil amendment to support sustainable agriculture.This study assessed the effect of adsorbent dose and contact time on the jackfruit waste biochar adsorption of essential nutrients of nitrogen,phosphors and potassium from the digestate.Response surface methodology(RSM)using central composite design(CCD)was utilized to optimize the adsorbent dose and contact time during the adsorption process.An adsorbent dose of 20–70 mg/g and contact time range of 48–120 h were used in this study.The optimal adsorbent dose and contact time were found to be 20 mg/g and 114.6 h,respectively.The corresponding optimum nitrogen,phosphorus and potassium adsorbed were 17.44,20.94,and 21.36 mg/g,respectively.Models for the prediction of these values for nitrogen,phosphorus and potassium had R2 values of 0.9801,0.9804 and 0.9843,respectively,and non-significant lack of fit(p<0.05).This indicates the suitability of the models in predicting the adsorption conditions of adsorbent dose and contact time to produce high-quality nutrient-enriched biochar. | Denis Nsubuga Isa Kabenge Ahamada Zziwa Vianney Andrew Yiga Yusufu Mpendo Mawejje Harbert Ronald Kizza Noble Banadda Kerstin D.Wydra | 2023 | Waste Disposal and Sustainable Energy2023，5，1： | 0 |
| 4 | Potential of organic waste to energy and bio-fertilizer production in Sub-Saharan Africa:a review显示文摘Many growing cities of Sub-Saharan Africa(SSA)are marred by the inefficient collection,management,disposal and reuse of organic waste.The purpose of this study was to review and compare the energy recovery potential as well as bio-fertilizer perspective,from the organic waste volumes generated in SSA countries.Based on computations made with a literature review,we find that the amount of organic wastes varies across countries translating to differences in the energy and bio-fertilizer production potentials across countries.Organic wastes generated in SSA can potentially generate about 133 million GWh of energy per year.The organic waste to bio-fertilizer production potentials range from 11.08 million tons to 306.26 million tons annually.Ghana has the highest energy and bio-fertilizer potential among the SSA countries with a total per capita of 630 MWh/year and 306.26 million tons,respectively.The challenges and technical considerations for energy and bio-fertilizer approaches in the management of organic waste in SSA have also been discussed.This study is of help to the readers and strategic decision makers in understanding the contribution of bioenergy and bio-fertilizer to achieving sustainable development goals,namely,7(Affordable and Clean Energy)and 13(Climate Action)in SSA. | Isaac Rubagumya Allan John Komakech Isa Kabenge Nicholas Kiggundu | 2023 | Waste Disposal and Sustainable Energy2023，5，3： | 0 |
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