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Browsing JDZA 2018 by Issue Date

Browsing JDZA 2018 by Issue Date

Now showing items 1-12 of 12

Determinants of Herbicide Use in Rice Production Systems of Sri Lanka

Munaweera, T.P.; Jayasinghe, J.A.U.P. (University of Jaffna, 2018)

This study identifies farm-specific and market factors affecting the adoption of herbicides and the level of herbicide use by rice farmers in Sri Lanka. Determinants of adoption and level of herbicide use were explored ...
Yield and Nutritive Value of Palmyrah (Borassus flabellifer) Leaves at Different Stages of Maturity

Sarmini, M.; Premaratne, S. (University of Jaffna, 2018)

Present study was conducted to evaluate the yield and nutritive value of palmyrah (Borassus flabellifer) leaves at different growth stages to find out its forage nutritive value. Palmyrah leaf samples were collected from ...
Mitigation of Salt Stress in Rice through Seed Priming with Regulation of Defense Enzymes

Hemalatha, G.; Renugadevi, J.; Eevera, T. (University of Jaffna, 2018)

In India, rice (Oryza sativa L.) is the major staple food crop providing 43 per cent of calorie requirement for more than 70 per cent of the population. Salinity is one of the major hurdles that cause serious hazards in ...
The Elements Determining the Prevailing State of Poverty among Sea Food Harvesting Community along the North Eastern Coastal Belt of Sri Lanka

Shalton, R. A.; Umashankar, K (University of Jaffna, 2018)

Mullaitivu is one of the districts located along the North Eastern coastal belt of Sri Lanka, relatively more viable for fishing industry. Before civil unrest, times were quite prosperous for the people of Mullaitivu. The ...
Growth and Yield Response of Mechanical Transplanted Rice at Different Plant Densities

Sivaneson, S.; Vijayakumari, V. (University of Jaffna, 2018)

Optimum plant spacing is among key agronomic parameters that influence on growth and yield in rice (Oryza sativa L.). A field experiment was conducted to evaluate the growth and yield response of mechanical transplanted ...
Root fouling organisms of Rhizophora mucronata in Rekawa Lagoon, Sri Lanka

Wanasuriya, W.M.A.P.; Kumara, M.P.; Wijesundara, W.M.I.C. (University of Jaffna, 2018)

Mangrove underwater roots provide habitats for a variety of root fouling organisms. Since there is a dearth of information locally on the fauna and flora growing on such habitats, a study was carried out to study the ...
Comparative Report on the Algal Diversity of Dickwella, Sri Lanka at the Start of South-West Monsoon in 2015 and 2017

Pathirana, P.B.M.; Thilakaratna, W.S.; Bamunuarachchi, N.I. (University of Jaffna, 2018)

This research was carried out at Dickwella algal bed to investigate the percentage abundance of algae diversity at the start of South-West monsoon in June 2015 and 2017. Three line transects such as TR 1, TR 2 and TR 3 ...
Influence of Different Cooking Methods on the Antioxidant Activity of Local Pumpkin Variety (Cucurbita maxima) Cultivated in Jaffna District

Thanuja, S.; Sivakanthan, S.; Vasantharuba, S. (University of Jaffna, 2018)

Antioxidants play major role in maintaining good health. Pumpkin (Cucurbita maxima) is one of the richest sources of β-carotene, a powerful antioxidant. However, the antioxidant activity of vegetables is influenced by the ...
Prospects and Challenges of Mushroom Production in Kuruwita, Sri Lanka: Comparative Report on Two Consecutive Years

Thilakaratna, W.S.; Pathirana, P. B. M. (University of Jaffna, 2018)

Global mushroom production has expanded rapidly in last few decades with the introduction of new mushroom varieties. However, Sri Lanka mainly relies on Oyster (Pleurotus ostreatus) and Abalone (Pleurotus cystidiosus) ...
Distribution, Infestation and Occurrence of Noorda blitealis Wlk. and Gitona distigma (Meigen) in Moringa oleifera Lam. in the Home Gardens of Jaffna District, Sri Lanka

Sharjana, K.; Mikunthan, G. (University of Jaffna, 2018)

Moringa oleifera Lam. is grown in Jaffna home gardens for pods and leaves. After the introduction of PKM 1 Moringa variety, the populations of leaf eating caterpillar (Noorda blitealis Wlk.) and pod fly [Gitona distigma ...
Effect of Different Crop Establishment Methods on Growth and Yield Response of Lowland Irrigated Rice in the Northern Region of Sri Lanka

Sivaneson, S.; Ponnegipprenthiraraja, A. (University of Jaffna, 2018)

Inappropriate method of crop establishment is one of the reasons for low yields in rice (Oryza sativa L.) cultivation. A field experiment was conducted to evaluate the effect of crop establishment methods such as, manual ...
Trends in Rainfall, Length of Growing Period and Drought Occurrence in Karnataka, India

Shivaramu, H. S.; Venkatesh, H.; Padmashri, H. S. (University of Jaffna, 2018)

Climate has a vital role on biosphere of the earth. Of the major climatic parameters, rainfall is one of the most important parameters that influence the agriculture of the region and food production. A study was undertaken ...

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