C. P. Rupasinghe
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View article: Coconut leaf nitrogen measurement using different vegetative indices and multispectral images
Coconut leaf nitrogen measurement using different vegetative indices and multispectral images Open
To ensure sustainable agricultural practices, it is crucial to monitor the health of coconut trees. Managing the shape and size of their canopies effectively poses significant challenges due to the absence of advanced technological solutio…
View article: Environmental Footprints of Yogurt Production: A Case Study of a Small-Scale Manufacturing Process in Sri Lanka
Environmental Footprints of Yogurt Production: A Case Study of a Small-Scale Manufacturing Process in Sri Lanka Open
This study investigated the life cycle environmental impacts of yogurt production from cradle to gate at the Pulathisi milk factory in Polonnaruwa, Sri Lanka. The functional unit considered was one kilogram of yogurt produced in the factor…
View article: Panic in the Pandemic: Determinants of Vaccine Hesitancy and the Dilemma of Public Health Information Sharing during the COVID-19 Pandemic in Sri Lanka
Panic in the Pandemic: Determinants of Vaccine Hesitancy and the Dilemma of Public Health Information Sharing during the COVID-19 Pandemic in Sri Lanka Open
Vaccine hesitancy, a pressing global challenge in vaccination programs, was significantly amplified during the COVID-19 pandemic. The proliferation of misinformation, including false claims and rumours, and the influence of anti-vaccine mo…
View article: Epidemic and Pandemic Preparedness and Response in a Multi-Hazard Context: COVID-19 Pandemic as a Point of Reference
Epidemic and Pandemic Preparedness and Response in a Multi-Hazard Context: COVID-19 Pandemic as a Point of Reference Open
Infectious diseases manifesting in the form of epidemics or pandemics do not only cause devastating impacts on public health systems but also disrupt the functioning of the socio-economic structure. Further, risks associated with pandemics…
View article: The effect of hydrogen peroxide treatment on functional properties of paddy husk biochar and its application for wastewater treatment
The effect of hydrogen peroxide treatment on functional properties of paddy husk biochar and its application for wastewater treatment Open
Paddy husk is one of the biomass raw materials and byproducts of the rice production and processing industry. It is very much abundant in Sri Lanka, which is readily available as an energy source. Paddy husk contains silica as a special ch…
View article: Epidemic and pandemic preparedness and response in a multi-hazard context: COVID-19 pandemic as a point of reference
Epidemic and pandemic preparedness and response in a multi-hazard context: COVID-19 pandemic as a point of reference Open
Background Infectious diseases which manifest in the form of epidemics or pandemics not only cause devastating impacts on public health systems but disrupt the functioning of the entire socio-economic architecture. Further, risks associate…
View article: Assessing environmental impacts of chemical fertilizers and organic fertilizers in Sri Lankan paddy fields through life cycle analysis
Assessing environmental impacts of chemical fertilizers and organic fertilizers in Sri Lankan paddy fields through life cycle analysis Open
The application of fertilizer is a very important activity in paddy cultivation as it is one of the yield-determining factors. But the use of chemical fertilizer is a matter of debate as it is suspected as a cause of many prevailing health…
View article: Design and Performance Evaluation of a Low-Cost Domestic Level Filter to Treat Kitchen Wastewater
Design and Performance Evaluation of a Low-Cost Domestic Level Filter to Treat Kitchen Wastewater Open
The aspects of water security mainly govern by the availability and the quality of the water. As foreseen, use of portable fresh water for landscape irrigation can be a problem in the future. This research study was carried out with object…
View article: Evaluation of Green Chilli Grown Using Different Grow Bag Packages and Fertilizers for Developing a Domestic Growing Model
Evaluation of Green Chilli Grown Using Different Grow Bag Packages and Fertilizers for Developing a Domestic Growing Model Open
Chilli (Capsicum annuum L.) is one of the most valuable cash crops in Sri Lanka. The purpose of the study was to develop a chilli growing domestic model by synergizing effects of growth media and fertilizers on the growth and yield perform…
View article: Development of spray drying technique for papaya (<em>Carica papaya</em>) fruit juice powder
Development of spray drying technique for papaya (<em>Carica papaya</em>) fruit juice powder Open
Post-harvest losses of Carica papaya are considerably high throughout the supply chain due to variety of reasons. Spray drying is one of the potential preservation technologies to address this issue. Therefore, this research was conducted …
View article: Paddy Yield Estimation Models Using Satellite Data: A Case Study in Kamburupitiya DS Division
Paddy Yield Estimation Models Using Satellite Data: A Case Study in Kamburupitiya DS Division Open
In Sri Lanka, the crop cutting survey method is used to estimate the average paddy yield during the harvesting period, and it has failed to forecast the yield prior to harvesting. This method is time-consuming, expensive and make various e…
View article: Bagasse and vinasse, factory wastes from sugarcane industry as potential substrates for bioethanol production
Bagasse and vinasse, factory wastes from sugarcane industry as potential substrates for bioethanol production Open
The Journal of the National Science Foundation of Sri Lanka publishes the results of research in all aspects of Science and Technology. The journal also has a website at http://www.nsf.gov.lk/. 2020 Impact Factor: 0.515The JNSF provides im…
View article: Optimizing Waste-To-Energy Boiler Performance in Kandy Industrial Park: A Comprehensive Life Cycle Assessment and Advanced Efficiency Enhancement Strategies.
Optimizing Waste-To-Energy Boiler Performance in Kandy Industrial Park: A Comprehensive Life Cycle Assessment and Advanced Efficiency Enhancement Strategies. Open
The scope of industrialization and energy usage requires efficient and environmentally friendly energy generation techniques to reduce the effects of energy production on the environment. This research specifically deals with enhancing the…
View article: Determination of Suitable Poly Bag Diameter for Microalgae Chlorella vulgaris Cultivation for Algal Biodiesel Production
Determination of Suitable Poly Bag Diameter for Microalgae Chlorella vulgaris Cultivation for Algal Biodiesel Production Open
Consumption of fossil fuels is now widely accepted as an unsustainable solution to compensate the current energy demand. Fossil fuel is a depleting resource and its burning causes the accumulation of greenhouse gases in the atmosphere whic…
View article: Antioxidant and antimicrobial activities and starch digestion rate of the organically- and non-organically grown traditional rice varieties in Sri Lanka
Antioxidant and antimicrobial activities and starch digestion rate of the organically- and non-organically grown traditional rice varieties in Sri Lanka Open
The study was designed to assess the total phenolic content (TPC), free radical scavenging activity, antimicrobial property and in vitro starch digestion rate of three traditional rice varieties grown organically and non-organically in Sri…
View article: Designing and Evaluation of Bagasse Powered Preheating Device for Seed Cane Hot-water Treatment Plant
Designing and Evaluation of Bagasse Powered Preheating Device for Seed Cane Hot-water Treatment Plant Open
As a solution for the energy crisis facing today, the biomass from the sugarcane industry plays major role as an energy source in developing countries. Sugarcane (Saccarhum officinarum) is a globally important source of commercial sugar, w…
View article: Application of geographic information system (GIS) for site specific management of paddy production systems - a case study in Kamburupitiya divisional secretariat (DS), Sri Lanka
Application of geographic information system (GIS) for site specific management of paddy production systems - a case study in Kamburupitiya divisional secretariat (DS), Sri Lanka Open
Tropical Agricultural Research and Extension is a peer-reviewed international scientific journal covering a wide range of subject areas in tropical and subtropical agriculture published quarterly by the Faculty of Agriculture, University o…