Faculty of Agriculture: Recent submissions

Now showing items 1-20 of 731

Households’ Preferences for Private Tuition Attributes in Jaffna Municipal Area, Sri Lanka

Vanaiya, S.; Sivashankar, S.; Sooriyakumar, K.; Sarujan, S. (National centre for advanced studies in Humanities and Social sciences, 2024)

In Sri Lanka, there has been growing competition for university admission, and due to this, private tuition plays a vital role in many students' educational journeys. This study investigates households' preferences for ...
Water access and its implications on farm production: Evidence from Hakwatuna irrigation system in Kurunegala district, Sri Lanka

Jayaweera, P.T.U.; Sarujan, S.; Sivashankar, S.; Sooriyakumar, S. (Uva Wellassa University, 2025)

Water scarcity has become a global challenge due to adverse changes in the climatic conditions along with the anthropogenic impacts on traditional irrigation systems. As a result, the farmers livelihoods are highly affected ...
Impact of sprinkler irrigation on yield and cultivation costs in ground nut and jumbo peanut farming in Kilinochchi

Lathusha, T.; Sooriyakumar, K.; Sivashankar, S.; Sarujan, S. (Eastern University, Sri Lanka, 2025)

The adoption of climate-smart agricultural practices has become essential for mitigating the challenges posed by climate change in dry-zone agriculture. However, the effectiveness of these practices remains uncertain due ...
Assessing the Impact of Subsidy loans from Rotary Club on Paddy farmers’ productivity in Kilinochchi, Sri Lanka

Ratheeban, P.; Sooriyakumar, K.; Sarujan, S.; Sivashankar, S. (Wayamba University of Sri Lanka, 2025)

Agricultural credit is aimed to improve farm productivity of small-scale farmers. However, the effectiveness of agricultural credit remains questionable due lack of credit access and awareness on formal credit channels, ...
Local communities’ preferences and willingness to pay for improving tourist facilities and conservation of ecosystem in Arugambay lagoon, Sri Lanka

Misfa, S.L.F.; Sivashankar, S.; Sooriyakumar, K.; Sarujan, S. (Wayamba University of Sri Lanka, 2025)

Arugam Bay lagoon holds an economic and ecological value and supports tourism and biodiversity. This study used the choice experiment approach to investigate the local communities' preferences and willingness to pay for ...
Production efficiency of the local paddy cultivation under Valaichenai agrarian services centre area

Rimsath, M.; Sooriyakumar, K.; Sarujan, S. (Wayamba University of Sri Lanka, 2025)

This study focuses on measuring the technical efficiency of paddy cultivation, to explore ways of increasing yield and productivity under Valaichenai agrarian services centre area. Primary data was used in this study. The ...
Households’ demand for disaggregated meat products in Sri Lanka: A Censored Quadratic Almost Ideal Demand System Model

Musthifa, B.; Sivashankar, S.; Sooriyakumar, K.; Sarujan, S. (Wayamba University of Sri Lanka, 2025)

The economic crisis and increased prices for essential goods have severely affected consumption patterns of meat products in Sri Lanka. Therefore, this study aims to estimate demand for disaggregated meat products. This ...
Estimating households’ willingness to pay for composting of solid waste: A choice experiment approach

Gurupatham, W.E.S.; Sivashankar, S.; Sooriyakumar, S.; Sarujan, S. (University of Sri Jayewardenepura, 2025)

Rapid urbanization and a growing population cause difficulties in managing household waste in Sri Lanka. Improper management of household waste adversely affects both the environment and public health. Composting is an ...
Impact of the Adoption of Photovoltaic System on Households’ Energy Consumption

Hariskar, R.; Sooriyakumar, K.; Sivashankar, S.; Sarujan, S. (2025)

Adoption of renewable energy sources plays a vital role to mitigate the climate risks and foster environmental stability. Photovoltaic system (PV) is a classic example of renewable energy sources and a potential alternative ...
Effect of war for community participation in mangrove restoration in northern Sri Lanka: Mechanisms and heterogeneity

Sarujan, S.; Sakurai, T. (University of Tokyo, 2024)

Community participation in environmental restoration is an important step in the postwar recovery as war-affected communities entirely depend on the existing natural resource base to restart their economic activities. At ...
Effectiveness of community participation in Mangrove restoration: the evidence from northern Sri Lanka

Sarujan, S.; Sakurai, T. (Springe, 2023)

As a result of the past failures in centralized management, community-based management approach was evolved as a better alternative in Mangrove management. However, effectiveness of community-based Mangrove management ...
Fisherman’s Willingness to Pay for Sustainable Lagoon Ecosystem Management: A Locality Study in Jaffna Lagoon of Sri Lanka

Krishnapillai, S.; Sarujan, S.; Sivashankar, S. (World Scientific Publishing Europe Ltd, 2022)

This study estimates willingness to pay (WTP) for different sustainable ecosystem management measures in the Jaffna lagoon. For this study, 118 fishermen were randomly selected along the lagoon. Choice modelling approach ...
Performance of community-based tank irrigation system and its determinants: Evidence from Tamil Nadu, India

Sarujan, S.; Kajisa, K.; Sakurai, T. (Institute of Developing Economies, 2023)

Irrigation tanks are classic examples of common pool resources that have been traditionally managed by local communities. However, the tank performance under community management in Tamil Nadu has declined over the last ...
Spatio‐Temporal Variation in Perkinsus olseni Infection Intensity in Manila Clam Ruditapes philippinarum in Anmyeondo and Cheonsu Bay Tidal Flats on the West Coast of Korea

Thatchaneshkanth, S.; Young‐Ghan, C.; Hye‐Mi, L.; Jeong‐Hwa, K.; Jong‐Seop, S.; Mun‐Gyeong, K.; Gwang‐Il Jang, J.; · Kwang‐Sik, C. (Korea Institute of Ocean Science & Technology and The Korean Society of Oceanography, 2024)

The alveolate protist Perkinsus olseni infections impose considerable stresses on the host Manila clam Ruditapes philippinarum, often reducing their tissue weight due to the drain on energy resources. However, the ...
The vertical distribution of Alveopora japonica provides insight into the characteristics and factors controlling population expansion at Jeju Island of the south coast of Korea

Seunghwan, S.; Lauriane, R.; Thatchaneshkanth, S.; Kyeong‐Tae, L.; Chang‐Keun, K.; Vianney, D.; Kwang‐Sik, C. (Springer Berlin Heidelberg, 2024)

Populations of the subtropical coral Alveopora japonica Eguchi, 1965 are expanding, likely in response to changes in coastal water conditions caused by human activities and climatic factors. To uncover the causes of ...
Monitoring Perkinsus olseni Infection in Manila Clam Ruditapes philippinarum on Intertidal Beachs in Jeju Island

Jeong-Hwa, K.; Thatchaneshkanth, S.; Kajino, N.; Jong-Seop, S.; Kwang-Sik, C. (Korean Society of Malacology, 2024)

Previous studies have shown that the apicomplexan protist Perkinsus olseni induces both sublethal and lethal effects on the Manila clam (Ruditapes philippinarum) along the west and south coasts of Korea, including Jeju ...
Detection of Tetrodotoxin in the Xanthid Crab Atergatis foridus (Linnaeus, 1767) Collected from Jeju Island of the South Coast of Korea, Using Competitive Enzyme‐Linked Immunosorbent Assay (cELISA)

Nobuhisa, K.; Jong‐Seop, S.; Hyun‐Ki, H.; Thatchaneshkanth, S.; Jung Hui, C.; Tae Hun, N.; Hyang Sook, C.; Kwang‐Sik, C. (Korea Institute of Ocean Science & Technology and The Korean Society of Oceanography, 2024)

Tropical and subtropical xanthid crabs are known for containing potent neurotoxins, such as paralytic shellfish poison and tetrodotoxin (TTX), which can cause human intoxication. Although the toxic xanthid crab Atergatis ...
Impact of Charred Firewood on Selected Soil Properties of Regosols in Jaffna Peninsula

Shayanthan, A.; Gnanavelrajah, N. (Jaffna Science Association, 2012)

Charred Firewood (CF) could be used to enhance agricultural productivity by improving soil quality. A laboratory incubation study was conducted for 12 weeks to find out the effect of application of CF alone and in combination ...
Performance of Plant Growth Promoting Rhizobacteria on Cluster Onion (Allium cepa L.) under Field Condition

Neilagini, P.; Shayanthan, A.; Gnanavelrajah, N.; Rajapaksha, R.M.C.P.; Arasakesary, S.J.; Amirthalojanan, A. (University of Jaffna, 2019)

A field Experiment was conducted to evaluate the performance of previously screened plant growth promoting rhizobacteria on growth and yield of cluster onion (vethalam). Five bacterial strains (AZO-1, AZO-3, AZO-5, AZO-6, ...
Effect of Charred Biomass addition on Fertility Characteristics of Soil

Shayanthan, A.; Gnanavelrajah, N. (South eastern of Sri lanka, 2012)

Charred biomass (CB) could be used to enhance agricultural productivity by improving soil quality. A laboratory incubation study was conducted to find out the effect of application of CB alone and in combination with ...

Now showing items 1-20 of 731

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