Browsing Agricultural Engineering by Title

Now showing items 1-20 of 92

Adsorptive behavior of engineered biochar /hydrochar for tetracycline removal from synthetic wastewater

Yanushiya, J.; Thusalini, A.; Kannan, N. (Elsevier, 2024)

In this research, engineered biochar and hydrochar derived from paddy husk were compared for the adsorption tetracycline (TC) in water effluents. Biochar was produced at three different pyrolysis temperatures (e.g., 250 ...
Agricultural Standardized Precipitation Index (aSPI) in Drought Characterization: A Case Study in Jaffna Peninsula in Sri Lanka

Sivakumar, S.S.; Sellathurai, T. (Faculty of Agriculture, University of Jaffna, Sri Lanka, 2021)

The agricultural activity highly influenced by the rainfall and related meteorological parameters. This study utilized the method introduced by Food and Agriculture Organization (FAO) to estimate the effective rainfall ...
Analysis of Residual Chlorine Concentration in Water Distribution System in Vavuniya District

Thinarthika, T.; Mikunthan, T.; Prabhaharan, M.; Saravanan, S. (University of Jaffna, 2020)

Per Aru reservoir is located in Vavuniya District and water from the reservoir is treated through the water treatment plant. Chlorine is used as a disinfectant and it should ensure that there is a constant minimum residual ...
Arduino based soil moisture analyzer as an effective way for irrigation scheduling

Sayanthan, S.; Thiruvaran, T.; Kannan, N. (IEEE, 2018)

Through the present study we vindicated the crop water requirement for eggplant by using Arduino based soil moisture investigator and compared the total water requirement with the quantity of water being applied by farmers ...
Assessing the Suitability of the Vermpirai Water Supply Wells in Thenmaradchi Aquifer in Jaffna Peninsula, Sri Lanka by Analyzing Seasonal Water Quality and Geochemical Parameters.

Saravanan, S.; De Silva, C.S.; Mikunthan, T. (Open University of Sri Lanka (JET OUSL), 2023)

Access to safe drinking water is a fundamental human right, and an essential step towards improving living standards. The National Water Supply and Drainage Board, Jaffna is supplying drinking water to around 20,000 ...
Assessment of groundwater resources in Jaffna limestone aquifer

Thushyanthy, M.; Shanthi De Silva, C. (Journal of Tropical Agricultural Research. Short communication Vol.23, 2012)

This study is centered on quantitative estimation of groundwater resources of a selected study area in a limestone aquifer, which is the main resource for agriculture, domestic use and water supply in Jaffna Peninsula. ...
Assessment of Nitrate-N contamination by DRASTIC empirical model in the Chunnakam aquifer system, Jaffna Peninsula, Sri Lanka

Meththika, V.; Thushyanthy, M.; Pathmarajah, S.; Sutharsiny, A. (Springer Plus, 2014)

Jaffna peninsula in Sri Lanka is an area of intensive agriculture using extensive organic and inorganic nitrogenous compounds and hence, this study was focused on assessing vulnerability of karstic aquifer system with ...
Assessment of nitrate-N contamination in the Chunnakam aquifer system, Jaffna peninsula, Sri Lanka

Meththika, V.; Thushyanthy, M.; Selvarajah, P.; Sutharsiny, A.; Herath, M. (Assessment of nitrate-N contamination in the Chunnakam aquifer system, Jaffna peninsula, Sri Lanka. SpringerPlus. 3:271, 2014)

Jaffna peninsula in Sri Lanka is an area of intensive agriculture using extensive organic and inorganic nitrogenous compounds and hence, this study was focused on assessing vulnerability of karstic aquifer system with ...
Assessment of soil loss and nutrient depletion due to Cassava harvesting; A case study from low input traditional agriculture

Sumithra, R.; Thushyanthy, M.; Srivaratharasan, T. (A case study from low input traditional agriculture, 1(2): 72 – 79., 2013)

Cassava is a major food crop for farmers and especially small holder farmers and cultivated under low input other than the irrigation. It is cultivated as mono crop or intercrop at early stage and cultivating throughout ...
Assessment of Spatial and Temporal Trend of Groundwater Salinity in Jaffna Peninsula and Its Link to Paddy Land Abandonment

Tharani, G.; Kumar, L.; Mikunthan, T. (MDPI, 2020)

Salinization is an explicit global threat faced by coastal low lands. The increased seawater ingression into groundwater due to various climatic and anthropogenic factors affects functioning of ecosystems, biodiversity and ...
Assessment of the chemical facies of groundwater using factor analysis in the Chunnagam aquifer, Jaffna Peninsula.

Arasalingam, S.; Manthrithilaka, H.; Pathmarajah, S.; Mikunthan, T.; Vethanage, M. (SLAAS, 2018)

The Jaffna Peninsula has four main types of aquifer systems, namely, Chunnakam (in the Valikamam area), Thenmaradchi, Vadamaradchi, and Kayts. The water resources of the Valikamam region depend totally on rainfall recharge ...
Assessment of water quality index of groundwater quality in Chunnakam and Jaffna Town, Sri Lanka

Harshan, S.; Thushyanthy, M.; Gunatilake, J.; Srivaratharasan, T.; Gunalan, K. (SLJOL, 2017)

The Water Quality Index (WQI) is simple tool and compound indicator, aggregates information from several water quality parameters to convey water quality information in single value to planners, policy makers and the public. ...
Biochar from waste biomass, its fundamentals, engineering aspects, and potential applications: an overview

Kannan, N.; Asharp, T.; Jeganathan, Y. (International Water Association, 2024)

Environmental pollution control in the growing world is a challenging task for all the countries in order to keep the environmental sustainability. Biochar, a processed carbon material, draws a significant attention in ...
Carbon as an Oxygen fertilizer for low land Paddy cultivation

Thushyanthy, M.; Basnayake, B.F.A. (8th Annual sessions of the Jaffna Science Association, 2000)

The rise of the labour cost and the need to intensify rice production through double and triple cropping provided the economic incentives for a switch to direct seeding. Simultaneously, the availability of high yielding, ...
Changes in physical properties of black gram (Vigna mungo) during growth and development

Bhiranavi, S.; Thusalini, A.; Sritharan, S.; Kannan, N. (Faculty of Applied Science, University of Vavuniya, Sri Lanka., 2022-11-03)

Black gram is one of the important cereals as far as the nutritional status of people in Sri Lanka is concerned. The physical properties of black gram determine the ultimate yield during harvesting. Therefore, this work ...
Changes in physical properties of two different banana accessions under different storage conditions

Asenika, G.H.K.N.; Thusalini, A.; Jayasuriya, D.M.N.H.; Kannan, N. (University of Colombo, 2023)

Banana storage is very challenging all over the world due limited cost-effective strategies. Therefore, this study aimed at exploring the effect of different storage conditions: cardboard boxes; banana sheath box and ...
Changes in Soil Properties due to Tillage by Four Wheel Tractor Mounted Tillage Implements

Luxshana, T.; Kannan, N.; Prabhaharan, M. (University of Jaffna, 2018)

Soil bed preparation plays a major role in developing productive rhizosphere, which influences yield of plants significantly by improving suitable soil root zone environment. Hence, an attempt has been made to investigate ...
Characterization and seasonal variation of intake wells for drinking water at Vadamarachchi Aquifer of Jaffna District in Sri Lanka.

Saravanan, S.; De Silva, C.S.; Mikunthan, T. (Open University of Sri Lanka, 2021)

Jaffna peninsula is depending on groundwater for their entire water requirement. Seasonal variation of groundwater quality is a matter of serious concern for Jaffna. Groundwater quality becomes crucial during dry periods. ...
Characterization of irrigation water quality of Chunnakam aquifer in Jaffna peninsula

Sutharsiny, A.; Pathmarajah, S.; Thushyanthy, M.; Meththika, V. (. Journal of Tropical Agricultural Research. Vol.23, 2012)

Chunnakam aquifer is the main limestone aquifer of Jaffna peninsula. This study focused on characterization of Chunnakam aquifer for its suitability for irrigation. Groundwater samples were collected from wells to represent ...
Climate Change Impacts on Surface Runoff and Farmers’ Perceptions of Climate Change: A Case of Mundeni Aru Lower River Basin in Sri Lanka

Rajagopalasingam, V.; Mikunthan, T.; Sivakumar, S.S. (ResearchGate, 2020)

Sri Lanka is one of the Asian countries that is mostly affected by climate change. The prime objectives of this research study were to examine the climate change impacts on surface runoff of Mundeni Aru lower river basin ...

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