Faculty of Agriculture: Recent submissions

Now showing items 141-160 of 1711

GROUNDWATER QUALITY FOR IRRIGATION IN RANPATHWILA CASCADE IN ANURADHAPURA DISTRICT OF SRI LANKA

Aarah, N.L.F.R.; Nirmanee, K.G.S.; Kumari, M.K.N.; Rodrigo, M.D.D. (Faculty of Agriculture, University of Rajarata, 2024-02-08)

The Tank Cascade Systems (TCSs), located in dry and intermediate zones of Sri Lanka, are recognized as a globally important agricultural heritage System by the Food and Agriculture Organization. In dry zone where rainfall ...
AN INNOVATIVE METHOD FOR APPLICATION OF RICE HUSK ASH IN LOW LAND RICE CULTIVATION TO ENHANCE THE SOIL FERTILITY IN SRI LANKA

Perera, D.P.L.; Weerasooriya, G.V.T.V.; Amarasekara, M.G.T.S.; Kahandage, P.D. (Faculty of Agriculture, University of Rajarata, 2024-02-08)

Rice husk is an agricultural waste abundantly produced in the paddy milling process and contains a considerable amount of silica ash. Rice husk is industrially combusted under various temperatures for various purposes, ...
DESIGN, DEVELOPMENT, AND EVALUATION OF AN IOT-BASED AUTOMATED CENTRALIZED MUSHROOM GROWING MEDIA STERILIZATION UNIT

Wickramasooriya, H.G.S.C; Weerasooriya, G.V.T.V.; Kahandage, P.D.; Kosgollegedara, E.J.; Manawaduge, S.R. (Faculty of Agriculture, University of Rajarata, 2024-02-08)

Sterilizing the substrate is crucial in artificial mushroom cultivation. In the small-scale mushroom industry in Sri Lanka, a basic steel barrel apparatus is commonly used for this purpose. Despite having more advantages, ...
MORPHOLOGICAL CHARACTERIZATION OF SELECTED DIOSCOREA ACCESSIONS

Fernando, W.V.K.; Edirisinghe, E.S.C.; Egodawatta, W.C.P. (Faculty of Agriculture, University of Rajarata, 2024-11-20)

Dioscorea, commonly known as yam, is one of the most important staple crops in the tropics, crucial for economic stability and food security. The Plant Genetic Resource Centre (PGRC) in Sri Lanka has conserved 215 ...
MODELING FOR OPTIMIZING NITROGEN FERTILIZER RATES FOR MAIZE IN DRY ZONE OF SRI LANKA UNDER CURRENT AND FUTURE CLIMATE SCENARIOS

Uduwawala, H.; De Silva, S.H.N.P.; Egodawatta, W.C.P. (Faculty of Agriculture, University of Rajarata, 2024-11-20)

Maize (Zea mays L.) is the most vital upland cereal and a cornerstone of food security in Sri Lanka. Despite its extent of cultivation within the dry zone, a region highly vulnerable to climate change vulnerabilities, ...
IMPACT OF TEMPORAL CLIMATE VARIABILITY AND LAND USE DYNAMICS ON THE INTEGRITY OF SEAGRASS BEDS IN THE NEGOMBO ESTUARY, SRI LANKA

Wickma, R.A.T.; Chathurani, S.H.U.; Jayasundara, J.M.N.M.; Dahanayaka, D.D.G.L.; Egodawatta, W.C.P. (Faculty of Agriculture, University of Rajarata, 2024-11-20)

Seagrasses are marine angiosperms, thriving in brackish and shallow marine waters. This study aimed to assess the impacts of rainfall changes due to climate anomalies and anthropogenic land use changes on the distribution, ...
IMPACT OF SEASONAL FLOODS ON THE GROWTH OF IMMATURE RUBBER PLANTS IN THE WET ZONE OF SRI LANKA

Mallawaarachchi, I.S.; Nakandala, S.A.; Warnasooriya, W.M.R.S.K.; Piyarathne, P.N.M.S.; Udayakumari, U.N. (Faculty of Agriculture, University of Rajarata, 2024-11-20)

Seasonal floods, particularly during monsoons, present a major challenge to rubber cultivation, a key crop in the Sri Lankan economy. This study aimed to investigate the impact of seasonal floods on the morphological, ...
IMPACT OF LAND USE/LAND COVER CHANGES ON LANDSLIDES: CASE STUDY IN KEGALLE DISTRICT, SRI LANKA

Nusra, M.R.F.; Nirmanee, K.G.S.; Duminda, D.M.S. (Faculty of Agriculture, University of Rajarata, 2024-11-20)

This study evaluated the impact of land use/land cover (LULC) changes from 2014 to 2023 on landslide occurrences in Kegalle district, Sri Lanka. Land use/land cover distribution patterns were assessed by comparing ...
EVALUATION OF SINGLE SUPER PHOSPHATE FERTILIZER ON GROWTH AND YIELD OF RICE GROWN IN LOW COUNTRY WET ZONE

Imasha, B.V.S.; Rupasinghe, M.G.N.; Duminda, D.M.S. (Faculty of Agriculture, University of Rajarata, 2024-11-20)

Phosphorus (P) is an important nutrient for the growth and development of rice. The high cost of Triple Super Phosphate (TSP), paves the way for the use of an alternative locally available Single Super Phosphate (SSP) ...
RANGE EXTENSION AND TAXONOMIC NOTES ON Mastixia nimalii IN RATHNAPURA DISTRICT, SRI LANKA

Perera, A.; Jayasinghe, H.; Madawala, I.; Gunatilleke, N.; Geekiyanage, N. (Faculty of Agriculture, University of Rajarata, 2024-11-20)

The genus Mastixia of the family Nyssaceae is represented by five species in Sri Lanka, including three endemics. M. congylos and M. nimalii are the most recent additions to this genus which are lesser-known species. ...
IMPROVED REPRESENTATION OF PHOTOSYNTHETIC TEMPERATURE RESPONSE IN TERRESTRIAL BIOSPHERE MODELS

Gunasekera, T.S.S.; Kumarathunge, D.P.; Geekiyanage, N. (Faculty of Agriculture, University of Rajarata, 2024-11-20)

Photosynthesis, a key process of the terrestrial carbon cycle, is crucial for predicting ecosystem responses to climate change. Terrestrial biosphere models (TBMs) commonly use the biochemical model of C3 photosynthesis, ...
IDENTIFICATION OF PHTHALATE CONTAMINATION SOURCES AND MITIGATION MEASURES IN VIRGIN COCONUT OIL PROCESSING

Rathnayake, I.M.C.N.; Kumari, D.W.M.M.M. (Faculty of Agriculture, University of Rajarata, 2024-11-20)

Phthalates are one of the key contaminants that regulatory bodies of many European Union (EU) countries monitor when controlling the food value chain to assure food safety. This research aimed to identify potential ...
FEED UTILIZATION EFFICIENCY OF SLOW-GROWING INDIGENOUS CHICKEN RAISED FOR MEAT PRODUCTION

Kumari, K.G.N.H.; Getamanna, G.A.K.N.; Kumari, M.A.A.P.; Nayananjalie, W.A.D.; Adikari, A.M.J.B.; Somasiri, S.C. (Faculty of Agriculture, University of Rajarata, 2024-11-20)

Feed utilization efficiency (FUE) is a critical metric assessed through feed conversion ratio (FCR) and residual feed intake (RFI), both essential for devising strategies to reduce high feeding costs in the poultry ...
EVALUATION OF RICE MILL FURNACE APPLICATOR FOR INCORPORATION OF RICE HUSK ASH AS AN ORGANIC SOIL AMENDMENT IN RICE FARMING

Perera, D.P.L.; Weerasooriya, G.V.T.V.; Amarasekara, M.G.T.S.; Kahandage, P.D. (Faculty of Agriculture, University of Rajarata, 2024-11-20)

Rice husk ash (RHA) is a silica-rich byproduct generated from burning rice husks, as a fuel for boilers. Many countries use RHA as a soil amendment in rice cultivation due to its positive effect on nutrient uptake, ...
EFFECTIVENESS OF SOLAR-POWERED ELECTRIC FENCING TO MITIGATE THE HUMAN-ELEPHANT CONFLICT IN GOMARANKADAWALA DIVISIONAL SECRETARIAT DIVISION, TRINCOMALEE

Kayalvily, S.T.; Adikari, A.M.J.B. (Faculty of Agriculture, University of Rajarata, 2024-11-20)

Human-elephant Conflict (HEC) is a significant issue in the Gomarankadawala Divisional Secretariat (DS) Division of Trincomalee district, Sri Lanka. The problem has intensified due to human population growth and ...
YIELD AND FINANCIAL ASSESSMENT OF HIGH-DENSITY PINEAPPLE (Ananas comosus) INTERCROPPING UNDER IMMATURE RUBBER (Hevea brasiliensis Muell. Arg.) PLANTATION

Subhashinee, A.V.M.S.; Silva, T.U.K.; Ishani, P.G.N.; Warnasooriya, W.M.R.S.K.; Piyarathne, P.N.M.S. (Faculty of Agriculture, University of Rajarata, 2024-11-20)

The rubber cultivations in Sri Lanka hold economic importance, yet pose challenges during the six-year immature phase due to the absence of latex production and underutilized land. Intercropping, particularly with ...
THE IMPACT OF DIFFERENT PRIMING MEDIA ON QUALITY AND PERFORMANCE OF HONEY BEE QUEEN (Apis cerana)

Wickramasingha, W.M.D.D.; Vimukthi, G.G.R.; Sirisena, U.G.A.I. (Faculty of Agriculture, University of Rajarata, 2024-11-20)

Apis cerana is one of the key species of honeybees and the only species used for beekeeping purposes in Sri Lanka. Lack of sufficient bee colonies is a serious issue for developing the beekeeping sector. Mass rearing ...
ROLE OF PALM DEVELOPMENT CO-OPERATIVE SOCIETIES ON TODDY TAPPERS’ LIVELIHOODS IN THE VALIKAMAM COMMUNITY, JAFFNA

Keasavi, G.; Fernando, Sanjaya (Faculty of Agriculture,University of Rajarata, 2024-11-20)
THE ASSESSMENT OF CUTTING-EDGE DESIGNS TO ENHANCE THE EFFICIENCY OF MECHANICAL TEA HARVESTING

Manawaduge, S.R.; Weerasooriya, G.V.T.V. (Faculty of Agriculture,University of Rajarata, 2024-11-20)
THE EFFECT OF ZINC SULPHATE AND MAGNESIUM SULPHATE FERTILIZERS ON GROWTH AND YIELD PERFORMANCES OF Capsicum annum VAR. MICH HY

Sanajeewani, K.K.M; Sirisena, U.G.A.I. (Faculty of Agriculture,University of Rajarata, 2024-11-20)

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