Working Document Series Open Access Application of neo-classical economic models in the analysis of potential viability and public valuation of fish solar dryer in Malawi F. Kapute · M. Limuwa · R. Makwinja · F. Njaya The Government of Malawi through research institutions is promoting adoption of climate smart technology in the fishing industry. The philosophy behind the technology is to reduce fish-post-harvest losses currently estimated at 40%, improv… RUF-38911 2018 CC BY 4.0 16 Dec 2020
Working Document Series Open Access Re-aligning curricula and mode of delivery to impart relevant knowledge and skills to improve agricultural productivity K Hulela · K. Kgosikoma · N. Tselaesele The purpose of this study is to contribute to the discussion on re-aligning curricula and mode of delivery to impart relevant knowledge and skills to improve agricultural productivity as stipulated in the Africa Agenda 2063, the Africa We … RUF-38864 2018 CC BY 4.0 9 Dec 2020
Journal articles Open Access Evaluation of the airflow characteristics, cooling kinetics and quality keeping performances of various internal plastic liners in pomegranate fruit packaging A. Ambaw · T. M. Berry · R. Lufu · Linus Opara Umezuruike There is a trade-off to be optimised carefully as plastic liners deal with postharvest cooling processes as well as the produce quality and sustainability requirements. Understanding the implementation of plastic liners in the fresh fruit … RUF-38826 2020 CC BY 4.0 7 Nov 2020
Journal articles Open Access Evaluation of the airflow characteristics, cooling kinetics and quality keeping performances of various internal plastic liners in pomegranate fruit packaging A. Ambaw · T. M. Berry · R. Lufu · Linus Opara Umezuruike There is a trade-off to be optimised carefully as plastic liners deal with postharvest cooling processes as well as the produce quality and sustainability requirements. Understanding the implementation of plastic liners in the fresh fruit … RUF-38825 2020 CC BY 4.0 7 Nov 2020
Journal articles Open Access Evaluation of the airflow characteristics, cooling kinetics and quality keeping performances of various internal plastic liners in pomegranate fruit packaging A. Ambaw · T. M. Berry · R. Lufu · Linus Opara Umezuruike There is a trade-off to be optimised carefully as plastic liners deal with postharvest cooling processes as well as the produce quality and sustainability requirements. Understanding the implementation of plastic liners in the fresh fruit … RUF-38824 2020 CC BY 4.0 7 Nov 2020
Working Document Series Open Access Evaluation of the effectiveness of hydroponically produced pigeon pea fodder versus grain based supplements for improved dairy cow production performance D. Chiumia · Y. S. Kamanga · J. P Mtimuni · A. Safalaoh An on-station feeding trial was conducted to evaluate the effectiveness of using hydroponically produced pigeon pea fodder as a feed supplement against grain-based feed supplements on dairy cow production performance in Malawi. Six multipa… RUF-38761 2018 CC BY 4.0 15 Sep 2020
Working Document Series Open Access Prevalence and faecal egg counts of gastrointestinal parasites of Merino sheep in Lesotho M.A. Mahlehla · A.M. Matebesi · M.J. Moiloa · S. Molapo +2 more (GIPs) of sheep from two districts of Lesotho and ii) the effect of agro-ecological zones, host age and sex on prevalence and faecal egg loads of GIPs. It was conducted for a period of six months (July to December) in different agro-ecolog… RUF-38756 2018 CC BY 4.0 15 Sep 2020
Working Document Series Open Access The effect of dietary incorporation of cockroach meal as protein source of Oreochromis shiranus (Trewavas 1983) diet D. Chifunga · J. Kang’ombe A study was conducted at Lilongwe University of Agriculture and Natural Resources Aquaculture farm from 15 February 2018 to 11 May 2018 to determine the effect of dietary incorporation of cockroach meal as protein source in Oreochromis shi… RUF-38744 2018 CC BY 4.0 15 Sep 2020
Working Document Series Open Access Importance of cowpea production, breeding and production constrains under dry areas in Africa L. N. Horn · H. A. Shimelis Cowpea [Vigna unguiculata (L.) Walp.] is an important grain legume which is widely grown in sub-Saharan Africa (SSA) for food and feed. Its grain is composed of high levels of protein, energy and micro- and macro-nutrients. Young and succu… RUF-38725 2018 CC BY 4.0 14 Sep 2020
Working Document Series Open Access Fungal foliar diseases infecting groundnut: their management, status and the future J. Mwololo · T. Odong · P. Okori Cultivated groundnut (Arachis hypogaea L.) is an important oilseed crop widely grown in the tropics and subtropics. The yield for this crop is significantly affected by fungal foliar diseases namely leaf spots and rust to the tune of 60% i… RUF-38706 2018 CC BY 4.0 12 Sep 2020
Working Document Series Open Access Analysis of uptake of drip irrigation by smallholder farmers in Zimbabwe: Case study of Mutare District M. Chiwa · K. Mukumbi The use of drip irrigation has the potential to increase yields but uptake by smallholder farmers in Zimbabwe has been low. This study was conducted to determine the factors influencing the adoption of smallholder farmers in Zimbabwe. The … RUF-38661 2018 CC BY 4.0 12 Sep 2020
Working Document Series Open Access Analysis of agro-morphologic diversity of Zambian sesame (Sesamum indicum (l.)) landraces G. Munkombwe · M. Mwala · D. Nguni Twenty-eight sesame landraces were grown in the field at Mt Makulu Research Station during the 2013/14 cropping season and agro-morphological variation estimated based on 24 morphologic and agronomic descriptors. The landraces were obtaine… RUF-38626 2018 CC BY 4.0 4 Sep 2020
Journal articles Open Access Structural complexity and large-sized trees explain shifting species richness and carbon relationship across vegetation types Sylvanus Mensah · V.K. Salako · Thomas Seifert 1. It is prominently claimed that enhancing forest diversity would play a dual role of nature conservation and climate regulation. While the idea is intuitively appealing, studies show that species richness effects on above-ground carbon (… RUF-38600 2020 CC BY 4.0 31 Aug 2020
Journal articles Open Access Functional trait diversity is a stronger predictor of multifunctionality than dominance: Evidence from an Afromontane forest in South Africa A.E. Assogbadjo · R. Glèlè Kakaï · Sylvanus Mensah · V.K. Salako +2 more Studies on how biodiversity influences ecosystem multifunctionality (EMF) help elucidate ecological mechanisms (e.g. niche complementarity and selection) underlying provision of multiple ecosystem services. While it is acknowledged that bi… RUF-38599 2020 CC BY 4.0 31 Aug 2020
Theses & Dissertations Open Access A Study of the Dynamics of Sunburn Reduction in Apple (Malus domestica) Using Foliar Applications of a Combination of Boron and Calcium A. Mwije Apple fruit sunburn browning (SBB) is largely a climate-related disorder that reduces fruit quality leading to serious financial losses. The aim of this research was to unravel the mode-of-action by which post-full-bloom foliar boron plus … RUF-38555 2020 CC BY 4.0 17 Aug 2020
Journal articles Open Access Apple Peel Biochemical Changes after Foliar Application of Combined Boron and Calcium I. Phenolics and Physico-Chemical Attributes E. W. Hoffman · E. Lötze · A. Mwije Post-full bloom foliar applications of boron in combination with calcium (B+Ca) suppress fruit sunburn-browning incidence in apples (Malus domestica). However, the mode-of-action is not yet explained and hence, protocols to exploit this se… RUF-38554 2020 CC BY 4.0 17 Aug 2020
Journal articles Open Access Micropropagation of Livingstone Potato (Plectranthus esculentus N.E.Br) T. C. Chitendera · G. T. Kujeke · R. T. Masekesa · A. Matikiti +3 more Livingstone potato (Plectranthus esculentus N.E.Br) is an underutilised indigenous root vegetable grown by communal farmers in the eastern provinces of Zimbabwe. It is vegetatively propagated using unimproved retained tubers from the previ… RUF-38331 2020 CC BY 4.0 24 Jun 2020
Journal articles Open Access Evaluation of The Potential of Jack Bean [CANAVALIA ENSIFORMIS (L.) DC.] and Velvet Bean [mucuna pruriens (l.) Dc.] Aqueous Extracts as Post-Emergence Bio-Herbicides for Weed Control in Maize (ZEA MAYS L.) S Mabasa · P. J. Pieterse · J.T. Rugare The objective of the study was to evaluate the effect of jack bean and velvet bean aqueous extracts when applied post-emergence alone or in combination with half dosage rates of atrazine on goosegrass, beggarticks, and maize. Three potted … RUF-38325 2020 CC BY 4.0 24 Jun 2020
Journal articles Open Access Effects of green manure cover crops (Canavalia ensiformis L. and Mucuna pruriens L.) on seed germination and seedling growth of maize and Eleusine indica L. and Bidens pilosa L. weeds S Mabasa · P. J. Pieterse · J.T. Rugare In Lab bioassays and Pot culture, we studied the allelopathic potential of aqueous extracts (0, 1.25, 2.5, 3.75 and 5 % wv-1 ) of green manure cover crops [jack bean (Canavalia ensiformis L.) and velvet bean (Mucuna pruriens L.)], on the g… RUF-38324 2020 CC BY 4.0 24 Jun 2020
Theses & Dissertations Open Access Optimising ventilated package design for postharvest handling of pomegranate fruit in the cold chain M. Mukama Packaging is an indispensable unit operation in handling and distribution of fresh fruit. Studies on postharvest handling of a number of horticultural products highlighted the importance of package design and knowledge of fruit and package… RUF-38304 2019 CC BY 4.0 10 Jun 2020
Journal articles Open Access Computational fluid dynamics (CFD) based analysis of the aerodynamic and thermodynamic performances of package designs during cooling of stacked pomegranates A. Ambaw · M. Mukama · Linus Opara Umezuruike The demand for pomegranate fruit is increasing due to the extensive knowledge acquired on the health benefits of pomegranate and the increased public awareness about functional food. Following this, there has been an increased interest in … RUF-38303 2018 CC BY 4.0 10 Jun 2020
Journal articles Open Access Effect of relative humidity on pomegranate quality under simulated ambient storage conditions A. Ambaw · T. M. Berry · M. Mukama · Linus Opara Umezuruike The effects of relative humidity (RH) on the quality of pomegranate fruit (‘Wonderful’) stored in ambient temperature (20°C) under low RH (65±6.79%) and high RH (95±1.23%) conditions were studied. Significantly high weight loss, up to 29.1… RUF-38302 2018 CC BY 4.0 10 Jun 2020
Journal articles Open Access Advances in design and performance evaluation of fresh fruit ventilated distribution packaging: A review This review was initiated to realise the state-of-the art in optimising the ventilation and structural requirements of corrugated packaging carton design. Researchers have been using computational methods: computational fluid dynamics, part… RUF-38300 2020 CC BY 4.0 6 Jun 2020
Journal articles Open Access A virtual prototyping approach for redesigning the vent-holes of packaging for handling pomegranate fruit – A short communication A. Ambaw · M. Mukama · Linus Opara Umezuruike In a previous study, experimental analysis and computational fluid dynamics (CFD) modelling were used to analyse the cooling performances of two corrugated fibreboard package designs (CT1 and CT2) for handling pomegranate fruit. In these a… RUF-38299 2019 CC BY 4.0 6 Jun 2020
Journal articles Open Access Analysing the dynamics of quality loss during precooling and ambient storage of pomegranate fruit A. Ambaw · T. M. Berry · M. Mukama · Linus Opara Umezuruike In this paper the spatiotemporal profile of quality loss of pomegranate fruit (cv. Wonderful) was investigated during precooling and simulated shelf conditions. The effects of relative humidity (RH) inside the cold room, polyliner inside the… RUF-38296 2019 CC BY 4.0 31 May 2020