Faculty of Agriculture: Recent submissions

Now showing items 501-520 of 672

EFFECT OF NEEM LEAF ON NITRIFICATION AND SELECTED PROPRETIES OF SOIL AMENDED WITH DIFFERENT SOURCES OF NITROGEN

Sivasakthy, K.; Gnanavelrajah, N. (Journal of Science and Management, 2010)

A laboratory incubation study was carried out in Calcic Red Yellow Latosols fertilized with urea, compost and poultry manure to find out the effect of different N sources with locally available potential nitrification ...
SUSTAINABLE MANAGEMENT OF AGRICULTURAL LAND-USES TOWARDS LOCAL AND GLOBAL BENEFITS

Gnanavelrajah, N. (Proceedings of the second Round table on Sustainable Consumption and Production, 2013-02-21)

Unsustainable agricultural practices such as cultivation of steep slopes, overgrazing and intensive cultivation without proper soil conservation measures have resulted in loss of biomass and increased carbon dioxide ...
ORGANIC NITROGEN SOURCES AND NITRIFICATION INHIBITORS ON LEACHING AND PHYTO-ACCUMULATION OF NITRATE AND YIELD OF AMARANTHUS POLYGAMOUS

Sivasakthy, K.; Gnanavelrajah, N. (World Journal of Agricultural Sciences, 2012)

Nitrate pollution of ground water and nitrate accumulation in edible tissues are main issues due to heavy doses of nitrogen fertilizer application. A pot experiment with Amaranthus polygamous was carried out in Calcic red ...
PHYTOREMEDIATION OF NITRATE IN WATER BY A SEMI-AQUATIC VEGETABLE

Sundaralingam, T.; Gnanavelrajah, N. (Symposium Proceedings of The water Professionals’ Day, 2011-10-01)

The potential to phytoremediate water loaded with nitrate by Ipomoea aquatica was assessed in this study. Ten treatment combinations with five levels of nitrate N (0, 10, 20, 40 and 50 mg/L) and two levels of P (0 and ...
CHANGES IN SOIL CARBON UNDER DIFFERENT MANAGEMENT PRACTICES

Ratnayake, R.R.; Kugendren, T.; Gnanavelrajah, N. (Journal of the National Science Foundation of Sri Lanka, 2014)

There is a great potential of storing and improving carbon in tropical agricultural soils by applying ecologically sound management practices. In this research soil carbon fractions and stocks under different agricultural ...
LAND SUITABILITY EVALUATION: A TOOL FOR SUSTAINABLE LAND MANAGEMENT – A CASE STUDY

Gnanavelrajah, N. (Proceedings of annual Research sessions, Eastern University, Sri Lanka, 2010)

Land-use suitability analysis is one of the most useful applications of GIS (Geographic Information Systems) for spatial planning and management. Biophysical suitability of the agricultural land-uses was evaluated by ...
CARBOFURAN ADSORPTION, LEACHING AND ACCUMULATION IN EDIBLE TISSUES IN THREE SELECTED SOILS IN TROPICS

Gnanavelrajah, N.; Kandasamy, T. (Euroasian Journal of Agriculture and Environment, 2012)

Carbofuran is moderately mobile in soil which could lead to ground water pollution and accumulation in plant tissues. A study was carried out to investigate the adsorption, leaching and accumulation of carbofuran in edible ...
CARBON FRACTIONS AND NUTRIENT STATUS OF SOILS IN IRANAMADHU IRRIGATION COMMAND AREA, KILINOCHCHI

Raguraj, S.; Ratnayake, R.R.; Gnanavelrajah, N. (Proceedings of the International Conference on Agriculture and Forestry, 2014-06-10)

Increasing population imposes demand on agricultural output which often leads to degradation of natural resources. Carbon sequestration is a crucial process which increases soil fertility at the mean time reduces the green ...
POTENTIAL TO GROW Ipomoea aquatica IN KITCHEN WASTEWATER HYDROPONIC SYSTEM

Sivarajah, S.; Gnanavelrajah, N. (Proceedings of the International Conference on Agriculture and Forestry, 2014-06-10)

In this study the potential of growing Ipomoea aquatica in hydroponic system using kitchen wastewater was assessed. Twenty one households were selected from seven areas of Jaffna Peninsula, Sri Lanka namely Kokuvil, Kondavil, ...
ASSESSING BIOPHYSICAL AND SOCIOECONOMIC CONDITION FOR WATERSHED MANAGEMENT

Rajendra, P.S.; Gnanavelrajah, N. (Proceedings of the third GMSARN International Conference, 2008-11-12)

A study was carried out at Khlong Yai watershed of Thailand to assess soil erosion, and land suitability evaluation to examine the general land degradation status in terms of appropriateness of present land uses, and explore ...
EVALUATION OF SUSTAINABILITY OF AGRICULTURAL LAND-USES- A CASE STUDY IN A TROPICAL SUB-WATERSHED

Gnanavelrajah, N. (Proceedings of the first annual research conference of the University of Jaffna, 2010)

This study aimed to assess agricultural land-uses for sustainability in a sub-watershed integrating biophysical and socioeconomic factors. A step by step approach of estimating current level of carbon sequestration, plant ...
A WATERSHED-SCALE ASSESSMENT OF PRESENT AND FUTURE CARBON STOCK: GIS APPLICATION IN KHLONG YAI WATERSHED OF THAILAND

Shrestha, R.P.; Gnanavelrajah, N.; Samarakoon, L. (28th Asian Conference on Remote Sensing, 2007-11-12)

A study was carried out to assess the current carbon stock in different agricultural land uses and investigate the respective trend of changes in the coming ten years using available methodologies. A nested quadrate sampling ...
COMPARISON OF THE GLYCEMIC INDEX OF THE WHEAT FLOUR BREAD AND MALTED RICE-WHEAT BREAD

Raguparan, P.; Veluppillai, S.; Nithyanantharajah, K.; Vasantharuba, S.; Balakumar, S.; Arasaratnam, V. (In Proceedings of 15th Annual sessions, Jaffna Science Association, 2008)

The glycemic index (GI) is an important parameter of food quality which compares the hyperglycemic effect of a tested meal with pure glucose (or another defined standard food). The glycemic index of different types of ...
PRODUCTION OF MALTED RICE-WHEAT BREAD WITH GOOD PHYSICAL AND SENSORY QUALITY

Veluppillai, S.; Nithyanantharajah, K.; Balakumar, S.; Arasaratnam, V. (In Proceedings of 15th Annual sessions, Jaffna Science Association, 2008)

The feasibility of partially replacing wheat flour with malted rice flour in bread making was evaluated in several formulations aiming to find a flour mixture for the production of malted rice-wheat bread with better ...
IMPROVING MALTING OF A LOCAL VARIETY OF RICE (MOTTAIKKARUPPAN) AND ANALYSIS OF BIOCHEMICAL CHANGES OCCURRING DURING MALTING

Veluppillai, S.; Nithyanantharajah, K.; Balakumar, S.; Arasaratnam, V. (In Proceedings of 15th Annual sessions, Jaffna Science Association, 2008)

Malting improves the nutritional value of seeds. The aim of this study was to improve the malting technique of rice grains and to determine the biochemical changes during malting of dehusked unpolished rice grain ...
PREPARATION OF RICE-WHEAT COMPOSITE BREAD USING PREMIX

Mahalingam, P.; Veluppillai, S.; Ekanayake, S. (”, In Proceedings of 19th Annual sessions, Jaffna Science Association, 2012)

The aim of this study was to find out the feasibility of preparing rice bread using premix (rice flour, wheat flour, yeast and bread improver) stored for 3, 4, 6 and 8 weeks. Wheat bread, rice– wheat bread and premix breads ...
EFFECT OF REACTION PARAMETERS ON ENZYMATIC INTERESTERIFICATION OF VIRGIN COCONUT (COCOS NUCIFERA) OIL AND SESAME (SESAMUM INDICUM) OIL BLEND USING LIPASES FROM THERMOMYCES LANUGINOSUS AND RHIZOMUCOR MIEHEI

Kugeswararajah, T.; Sivakanthan, S.; Tachibana, H.; Jayasooriya, L.J.P.A.P.; Madhujith, T. (In Third Conference on Sri Lanka-Japan Collaborative Research, University of Peradeniya, Sri Lanka, 2015)

Partial hydrogenation of vegetable oils is the major route of producing trans fats in human diet which is associated with several detrimental health effects. The application of enzymatic interesterification in producing ...
APPLICATION OF NEAR-INFRARED (NIR) SPECTROSCOPY TO QUANTIFY FAT AND TOTAL SOLID CONTENTS OF SWEETENED CONDENSED CREAMER

Sivakanthan, S.; Jayasiri, M.M.; Madhujith, T. (In 26th Annual Congress, Postgraduate Institute of Sri Lanka, University of Perradeniya, 2014)

Near-infrared (NIR) spectroscopy has emerged in food industry as a rapid, non-destructive method in the quality analysis of food and beverages. The objective of the present study was to explore the applicability of NIR ...
COMPARISON OF OXIDATIVE STABILITY OF SESAME (SESAMUM INDICUM), SOYBEAN (GLYCINE MAX) AND MAHUA (MEE) (MADHUCA LONGIFOLIA) OILS AGAINST PHOTO-OXIDATION AND AUTOXIDATION

Walallawita, W.K.U.S.; Bopitiya, D.; Sivakanthan, S.; Jayawardana, N.W.I.A.T.; Madhujith, T. (International Conference of Sabaragamuwa University of Sri Lanka (ICSUSL) 2015, 2015)

Lipid oxidation is one of the major causes of food spoilage. This study was conducted to evaluate and compare the oxidative stability of Sesame (Sesamum indicum), Soybean (Glycine max) and Mahua (Madhuca longifolia) against ...
COMPARISON OF THE GLYCEMIC INDEX OF THE WHEAT FLOUR BREAD AND MALTED RICE-WHEAT BREAD AVAILABLE AT JAFFNA IN SRI LANKA

Raguparan, P.; Veluppillai, S.; Thayaananthan, K.; Nithyanantharajah, K.; Balakumar, S.; Arasaratnam, V. (In Journal of Research in Bioscience, vol. 4, no. 3, pp. 23-28, 2008., 2008)

The glycemic index (GI) is an important parameter of food quality which compares the hyperglycemic effect of a tested meal with pure glucose (or another defined standard food). The glycemic index of different types of ...

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