Agricultural Engineering: Recent submissions

Now showing items 21-40 of 92

Effect of Deficit Irrigation on Growth and Yield of Red Onion (Allium cepa) in Drip Irrigation System

Sujeewa, R. M.; Mikunthan, T.; Sayanthan, S.; Thushyanthi, Y.; Piraphaharan, M. (2020)

Improving water use efficiency is a vital strategy for addressing future water scarcity. Irrigation is a wide-ranging practice using every drop of water for crop production through suitable practices. Since irrigation plays ...
Mechanisms of emerging contaminants removal by novel neem chip biochar

Thusalini, M.; Sashikesh, G.; Kannan, N. (Elsevier, 2021)

Emerging contaminants (ECs) play a vital role in water pollution. The treatment methods used for the removal are expensive and complex. It is therefore highly needed to develop cost-effective materials for the effective ...
Comprehensive Evaluation of Aerated Soaking for Paddy Parboiling in an Eco-Friendly Manner

Neshankine, C.; Kannan, N. (Faculty of Agriculture, University of Ruhuna, 2021)

Aerated soaking of paddy is a simple novel technique to utilize water effectively. Therefore, automated water circulation was maintained in the aerated soaking systems using a motor and timer. The timer was set with 70 ...
Drought Analysis Using Standardized Precipitation Index (SPI): A Case Study in Jaffna Peninsula in Sri Lanka

Sellathurai, T.; Venugoban, K.; Sivakumar, S.S.; Mikunthan, T. (Postgraduate Institute of Agriculture, University of Peradeniya, 2020)

The drought analysis is a prime component in the preparedness of drought and the water resources management. The status of drought in Jaffna was investigated using standardized precipitation index (SPI) at 1, 3, 6, 9 and ...
Time Series Analysis of Rainfall Using ARIMA and SAMA Circular Model: Study from Vadamarachchi, Jaffna, Sri Lanka

Sellathurai, T.; Sivananthawerl, T.; Sivakumar, S.S.; Mikunthan, T.; Karunainathan, T. (Postgraduate Institute of Agriculture, University of Peradeniya, 2021)

The time series analysis was performed with Seasonal Autoregressive Integrated Moving Average (SARIMA) and SAMA circular model (SCM) for the rainfall of Ampan, Karaveddi and Puloly regions of Jaffna to understand the ...
Spatial Variation of Water Quality in Jaffna Lagoon

Piragasiny, T.; Mikunthan, T.; Prabhaharan, M.; Sivanesan, K.S. (Faculty of Agriculture, Eastern University Sri Lanka, 2021)

Jaffna Lagoon is a productive fishing ground and also a sink for many anthropogenic effluents draining from its surrounding urban area. Jaffna lagoon suffers due to the consequence of urban growth and land use from the ...
Quality of Ground Water in the Valukkai Aru Region

Mikunthan, T.; Sheetharon, M. (Faculty of Technology, University of Sri Jayewardenepura, 2021)

Water is very important life supporting material and required for all biotic communities for domestic, irrigation, sanitation and industrial purposes. Water resources are becoming increasingly scarce in many areas of the ...
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 ...
Design, Fabrication and Performance Evaluation of Onion Topper

Sivanujan, S.; Vijitha, V.; Sayanthan, S.; Prabhaharan, M. (Faculty of Agriculture, University of Jaffna, Sri Lanka, 2021)

Onion is one of the important condiments which is highly demanded by Sri Lankan to make their food delicious. Within the available varieties, red onion is very popular in Sri Lanka. It is widely grown in the Northern part ...
Effect of Parboiling Methods on Milling Yield and Resistance Starch of Three Rice Varieties

Ruvini Lakmali, H.K.A. (Faculty of Agriculture, University of Jaffna, Sri Lanka, 2021)

Rice is one of the leading food crops in the world and is the primary dietary source of carbohydrates in over half of the world’s population. The parboiling process leads to improve rice quality and changed physicochemical ...
Effect of Thermodynamics on Mancozeb Adsorption by Neem Chip Biochar

Thusalini, M.; Kannan, N. (Faculty of Agriculture, University of Jaffna, Sri Lanka, 2021)

Emerging contaminants (ECs) create threats to the well-being of all living organisms globally. Among ECs, fungicides could be easily leached into the water bodies to create water pollution. In Sri Lanka, the use of mancozeb ...
Design, Fabrication and Performance Evaluation of Super Tine Cultivator

Kopithan, K.; Vijitha, V.; Sayanthan, S.; Prabhaharan, M. (Faculty of Agriculture, University of Jaffna, Sri Lanka, 2021)

Tillage is an inevitable aspect in agriculture and various tillage methods are being utilized in Sri Lanka. Considerable amount of money is spent on tillage. Mechanical tillage activities are not much accessible by poor ...
Isotherm and Kinetic Analyses of Methylene Blue Adsorption by a Selected Biosorbent

Jayasuriya, D.M.N.H.; Kannan, N. (Faculty of Agriculture, University of Jaffna, Sri Lanka, 2021)

Industrial dye related water pollution is a growing concern nowadays as it influences environmental quality significantly. Adsorption of dye molecules onto various adsorbents is a popular dye removal method. This study was ...
Quality Rice Flour Production for Extruded Products through Wet-Milling

Ihsana Farwin, M.H.; Prabhaharan, M. (Faculty of Agriculture, University of Jaffna, Sri Lanka, 2021)

Rice (Oryza sativa L.) is one of the leading cereal crops in the developing world. Rice grain is a major source of carbohydrates, protein and other essential nutrients. The Degree of Milling (DOM) is a term used to describe ...
Effect of Submerged Aeration on Soaking Water and Grain Characteristics of Paddy Parboiling Process

Neshankine, C.; Kannan, N. (Faculty of Agriculture, University of Jaffna, Sri Lanka, 2021)

Parboiling of paddy is an important industrial process. In general, paddy is immersed in stagnant cold water for 36 -72 hours with frequent water change at room temperature in order to obtain 30% wet basis (wb) moisture ...
A Comprehensive Evaluation Of Oxygen Dynamics And Paddy Hydration During Conventional Soaking Of Paddy Parboiling Process

Neshankine, C.; Kannan, N. (Millennium, 2021)

Paddy parboiling is very popular in Sri Lanka as rice is considered to be a staple food. However, it generates significant amount of effluent with higher BOD values, resulting in significant environmental pollution. The ...
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 ...
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 ...
Geo-statistical approach for prediction of groundwater quality in Chunnakam aquifer, Jaffna Peninsula

Sutharsiny, A.; Manthrithilake, H.; Selvarajah, P.; Mikunthan, T.; Meththika, V. (CGSpace, 2021)

Chunnakam aquifer is the main limestone aquifer of Jaffna Peninsula. The population of the Jaffna Peninsula depends entirely on groundwater resources to meet all of their water requirements. Thus for protecting groundwater ...
Efficiency of Micro Filtration and Oxidation on Removal of lron & Manganese in Groundwater and Surface Water

Jancika, G.; Mikunthan, T.; Saravanan, S.; Gunalan, K. (ResearchGate, 2016)

Water resources are becoming increasingly scarce in many areas of the world due to development, and increased demand. Groundwater is the major water resource in the Jaffna peninsula. One of the problems related to groundwater ...

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