Faculty of Agriculture: Recent submissions

Now showing items 181-200 of 664

Comparative physico-chemical identification of pure and market cow ghee samples

Samuddrika, T.D.Y.; Pakeerathan, K.; Kathirgamanathar, S. (University of Colombo, 2022)

Adulteration of cow's ghee can easily be identified by standard physico- chemical tests. Samples were coded from S-01 to S-14. A pure cow ghee sample (S-01) was prepared at the laboratory under hygiene conditions. Thirteen ...
Adulteration Detection of Cow Ghee with Inferior Commodities

Samuddrika, T.D. Y.; Pakeerathan, K.; Kathirgamanathar, S.; Wijeyasiriwardana, T.D.M.C.K. (Institute of Food Science and Technology, Sri Lanka, 2022)

Adulteration of cow's ghee with cheaper and easily available vegetable oils and animal fat became popular in commerce due to high demand. Amongst various testing methods, qualitative tests are cost-effective and the ...
Performance of Arbuscular Mycorrhizal fungi associated with Cymbidium bicolor against salinity stress

Dilhani, N.D.; Nirosha, T.; Pakeerathan, K. (University of Ruhuna Sri Lanka, 2022)

Arbuscular mycorrhiza fungi (AMF) are soil microorganisms, which are widely recognized to improve plant nutrition by being able to access soil spaces and nutrient sources. They are obligate symbionts and Salinity is a ...
Effect of Defoliation on Growth and Yield of Okra (Abelmoschus Esculentus l.)

Joynirogan, J.; Geretharan, T.; Srikrishnah, S.; Raveenthira, V.; Eeswaran, R. (Eastern University, Sri Lanka, 2023)

Okra is one of the important vegetable crops in many countries including Sri Lanka. In Sri Lanka, the average yield of okra is below the potential yield. Removal of selected leaves (i.e., defoliation) in crops was known ...
Determination of antioxidant properties of aloe vera and preservation of aloe vera gel

Kumari, E. S. P. T.; Jayawardana, S. A. S.; Madage, S. S. K.; Vasantharuba, S. (Institute of Food Science and Technology, Sri Lanka (IFSTSL), 2022)

Aloe vera gel is commonly used as a raw material in food industry. Yield and shelf life are crucial factors in developing innovative food products for commercialization. Selecting a desirable preservation method based ...
Assessment of Potential Removal of Nitrate from Synthetic Medium by Selected Herotrophic Bacteria – An Approach for Reducing Nitrate in Groundwater of Jaffna Peninsula.

Thurairajah, A.; Ratnayake, R. R.; Gnanavelrajah, N. (Young Scientists Forum (YSF) of National Science and Technology Commission (NASTEC), 2018)

The removal of nitrate in groundwater is of great interest because excessive nitrate in groundwater and surface water is a growing problem worldwide including Sri Lanka, mainly due to excessive application of fertilizers. ...
Isolation of fresh water cyanobacteria and screening their potential in nitrate reduction.

Thurairajah, A.; Gnanavelrajah, N.; Ratnayake, R. R. (Wayamba University, Sri Lanka., 2018)

Nitrate contamination in water bodies has become a serious concern due to excess application of nitrogen fertilizers. Due to the mixing up to abundant nitrogenous waste and synthetic and animal fertilizers, nitrate (11mg/1 ...
Screening of Denitrifying Bacteria towards Removal of Nitrate from Ground water.

Thurairajah, A.; Gnanavelrajah, N.; Ratnayake, R. R. (PGIS, Peradeniya, Sri Lanka, 2018)

Nitrate contamination in ground water resources is becoming a serious problem in many parts of the world. World Health Organization’s acceptable level for nitrate is 50 mg L-1 as nitrate ion (or 11mg L-1 as nitrate – ...
A Newly Isolated Aerobic Bacterial Strain (Paenibacillus polymyxa) Towards Remediation of Nitrate Pollution of Water.

Thurairajah, A.; Gnanavelrajah, N.; Ratnayake (YSF Symposium, 2019)

Nitrate contamination of ground water has become a serious issue all over the world. Excessive consumption of nitrate can cause health effect to human and animals; specially associated to methemoglobinemia (blue baby ...
Production of Quality Compost Using Locally available waste incombination with Spirulina subsalsa.

Pirushanthi, G.; Kirisan, A.; Priyatharshini, B.; Gnanavelrajah, N.; Ratnayake (Young Scientist Conference on Multidisciplinary Research, 2021)

Due to the over usage of chemical fertilizers there is a high risk of environmental pollution. Therefore, it is necessary to find an alternative source for fertilizers. Objectives: The study was aimed at producing a good ...
Comparative study on stability of coconut oil, sunflower oil and palm oil during continuous deep frying

Sharanke, K.; Sivakanthan, S. (Ceylon Journal of Science, 2022)

This study was carried out to evaluate the stability of three oils, namely, coconut oil, sunflower oil and palm oil during continuous deep frying. An experiment was conducted by frying potato slices at 175±5°C for 15 minutes ...
Screening of potential aerobic denitrifying bacteria for nitrate removal from water

Kirisan, A.; Gnanavelrajah, N.; Ratnayake, R. R. (National Science Foundation of Sri Lanka, 2022-06)

Nitrate pollution in groundwater is a common problem in areas where inorganic fertilizer is used to a large extent. This situation seriously affects communities that use ground water as their main source of drinking water ...
Potential use of locally produced activated charcoal using Palmyrah fruit nuts with zeolite and purolite resin as a filter material for selected well water from Kayts divisional secretary division in Jaffna peninsula

Jeyakumar, K.; Yathurshan, T.; Sayanthan, S.; Prabhaharan, M. (Jaffna Science Association, 2022-02)

Water has become a challenging limited natural resource. Jaffna Peninsula lies in the northern part of Sri Lanka is struggling to meet the water demand and quality of available water also threatened by pollutants. Jaffna ...
Effect of packaging material extracted from peanut shell on post-harvest storage parameters of guava fruits

Husna, M.F.F.; Vasantharuba, S. (Faculty of Agriculture, University of Ruhuna, Sri Lanka., 2022-06)

Research on the usage of biodegradable packaging materials extracted from natural sources in the packing of food products increased recently in order to overcome the problems associated with synthetic petroleum-based ...
Potential of Chlorella sp. grown in parboiled effluent in combination with organic or inorganic fertilizers on growth and yield of brinjal (Solanum melongina)

Ruwangi, K.H.G.L.; Jeyakumar, K.; Gnanavelrajah, N.; Ketheesan, B. (Faculty of Agriculture, University of Ruhuna, Sri Lanka., 2022-06)

A study was conducted to assess the potential of Chlorella sp. grown in parboiled effluent as an organic fertilizer. Chlorella sp. was cultivated using parboiled effluent in a raceway reactor for 14 days continuously with ...
Selecting efficient treatments to phytoremediate nitrate contamination in well water, ex- situ, using Ipomoea aquatic

Tharmarasa, H.; Jeyakumar, K.; Sivagnanasegaram, K.; Gnanavelrajah, N. (Faculty of Agriculture, University of Ruhuna, Sri Lanka., 2022-06)

Overuse of nitrogen fertilizer leads to excess nitrate in soils and it leached through the soil profile and accumulates with groundwater. More than 10mg/l NO3- - N or 50 mg/l NO3- (WHO, 2011) causes a serious problem for ...
Combined effect of hot water soaking and submerged aerated soaking on paddy hydration

Risviya, M.I.H.F.; Thusalini, A.; Kannan, N. (Faculty of Applied Science, University of Vavuniya, Sri Lanka., 2022-11-03)

Abstract: Paddy parboiling is an important step in paddy processing. It generates a significant amount of effluent. The treatment of this highly contaminated effluent is complex. There are limited studies available on ...
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 ...
Analysis of Temporal Stability of Soil Moisture in a Long-Term Agroecological Research Experiment

Eeswaran, R.; Ines, A.V.M. (ASA, CSSA and SSSA International Annual Meetings (2019), 2019)

Long-term ecological experiments offer a great opportunity to conduct a more exhaustive evaluation of soil moisture dynamics. The objective of this study is to evaluate the climate-resilience of different rainfed ...
Testing of a Climate-Resilient and Eco-Friendly Crop Management Package on a Representative Range of Crops through Farmer-Participatory Adaptive Research in the Northern Province of Sri Lanka

Eeswaran, R.; De Costa, J.; De Costa, D.; Dandeniya, W. (ASA, CSSA and SSSA International Annual Meetings (2019), 2019-11)

Sustainable food production for the future should incorporate crop management practices to reduce the environmental cost by lowering the use of synthetic pesticides and inorganic fertilizers. Such practices also need to ...

Now showing items 181-200 of 664

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