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JDZA: Recent submissions

Now showing items 21-40 of 60

Effect of Modi"ied Atmospheric Packaging on Extending Shelf LifeofCurryLeaves (MurrayakoenigiiL.)

Kumara, B.A.M.S.; Ekanayake, L.S.K.; Weerasinghe, W.M.S.S.K.; Wijewardane, R.M.N.A.; Sarananda, K.H. (University of Jaffna, 2020)

Curry leaves tree (Murraya koenigii L.) is a popular leafy spice and a leafy vegetable used in Sri Lanka and many other countries, except its usage for medicinal purposes due to phytochemicals present in the plant. Even ...
Effect of Drip Fertigation on Growth, Yield and Quality of Ridge Gourd[Luffaacutangula(L.)Roxb].

Rajasree, V.; Pugalendhi, I.; Vasanthi, C.; Shanmugasundaram, T. (University of Jaffna., 2020)

A field experiment was carried out at College Orchard, Department of Vegetable Crops, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore to standardize drip fertigation for ridge ...
Effect of Cultural Practices on Growth and Yield of Weedy Rice and Direct Seeded Rice Population in Malwatta Region of AmparaDistrict in SriLanka.

Risva, A.S.M.; Iqbal, Y.B.; De Silva, C.S. (University of Jaffna, 2020)

Weedy rice (WR) (Oryza sativa f. spontanea)was first reported in 1990 and it is occurring with varying population densities in all agro-ecological zones in Sri Lanka. Location field trial was conducted on rice field in ...
Effect of Aloe vera Gel for Inducing Rooting of Stem Cuttings and Air layering of Plants.

Mirihagalla, M.K.P.N.; Fernando, K.M.C. (University of Jaffna, 2020)

Plant growth regulators (PGRs) are important to facilitate root formation and firm plant establishment hence used in vegetative propagation for many years. Farmers use natural alternative compounds to induce rooting of ...
Ef!luent Changing Interval Effects on hydration properties and milling recovery oftwodifferent RiceVarieties.

Vijitha, V.; Thushyanthy, A.; Prabhaharan, M. (University of Jaffna, 2020)

Parboiling is the hydrothermal treatment applied to the paddy grains before milling in order to increase the milling recovery. Parboiling process consist three stages such as soaking, steaming and drying. In this study the ...
An Assessment of Non-adoption of Compost Making in Piramanthanaru Grama Niladari (GN) Division of Kilinochchi District in Sri Lanka.

Thusyanthini, R.; Peramunagama, S.S.M.; De Silve, A.G.S.D. (University of Jaffna, 2020)

Waste management authority and the Central environmental authority in Sri Lanka recorded in 2018 that, 7500 tonnes solid wastes are being generated per day in the country. However, only 3500 tonnes is being collected by ...
Impact of Different Depths of Transplanting by Machine Transplanter on Growth and Yield Performance of Rice Variety (Bw 361)

Sivaneson, S.; Vijayakumari, V. (University of Jaffna, 2019)

Depth of transplanting is an important factor which influences the grain yield in rice production systems by determining the number of tillers. Field trial was conducted to evaluate the growth and yield response of different ...
Effect of Azolla filiculoides Application on Weed Population in Paddy Fields

Sivaneson, S.; Ponnegippenthiraraja, A. (University of Jaffna, 2019)

The integrated use of organic and inorganic fertilizers is desirable to sustain paddy cultivation. Study was conducted at Rice Research Station, Paranthan, Sri Lanka to develop effective weed control method to gain economic ...
Effect of Different Time of Earthing up on Growth and Yield Performances of Groundnut (Arachis hypogea L.) Varieties

Thilini, S.; Pradheeban, L.; Nishanthan, K. (University of Jaffna, 2019)

An experiment was conducted to assess the effect of different time of earthing up on growth and yield performances of groundnut (Arachis hypogea L.) varieties at the Faculty of Agriculture, Kilinochchi during the period ...
Promising lines of Eggplant (Solanum melongena) Developed through Population improvement of locally popular cultivar –Plastic

Arasakesary, S.J.; Amirthalojanan, A.; Gugapriya, R.; Yogeswaran, T. (University of Jaffna, 2019)

Recurrent selection is an important breeding method employed to improve the populations of crop plants particularly those of cross-pollinated species. Brinjal (Solanum melongenum L.) is one major cross-pollinated crop which ...
Effect of Different Potting Medium on Growth and Yield Performances of Capsicum under Organic and Inorganic Management

Vijayarathy, T.; Pradheeban, L.; Nishanthan, K. (University of Jaffna, 2019)

A pot experiment was conducted to evaluate the effect of different potting medium on growth and yield performances of capsicum (Capsicum annum var. Hungarian Yellow Wax) under organic and inorganic management conditions. ...
Impact of Water Management on Nitrogen Dynamic in Low Land Paddy Soil

Sellathurai, T.; Mowjood, M. I. M.; Galagedara, L. W. (University of Jaffna, 2019)

Lowland paddy cultivation requires relatively higher amount of water. The nitrogen dynamics in lowland paddy can be affected by various factors such as climatic and agronomic individually or in combination. In order to ...
Impact of Farming Practices on Productivity of Paddy Cultivation in Minor and Major Irrigation Schemes of Mahagirilla Agrarian Services Division of Kurunegala District in Sri Lanka

Kumari, O.; Sirisena, N.; De Silva, C.S. (University of Jaffna, 2019)

Food supply for ever growing population has become one of the challenges in Sri Lanka. Considering the paddy production statistics over 10 years period of Maha and Yala seasons, though the districts of Anuradhapura, ...
Effect of Reverse Osmosis Wastewater on Seed Germination and seedling performance of four Different Crops

Sandamali, P.S N.; Sivachandiran, S.; Ketheesan, B.; Asharp, G. (University of Jaffna, 2019)

Wastewater reclamation and its reuse for beneficial purposes is a common goal of many countries particularly in water stressed countries around the world. Cutting edge technologies such as reverse osmosis (RO), micro- and ...
Identification of Suitable Mulch for Radish (Raphanus sativus L.) to Cope with Temperature Stress

Kumara, R.P.D.N.; Rasanjali, K.G.A.I.; De Silva, C.S. (University of Jaffna, 2019)

Although mulching provides numerous benefits in cropping activities, very few studies were reported on crop specific influence of different mulching materials. Thus, a pot experiment was conducted in a polytunnel to assess ...
Effect of Variety and Polishing on Cooked Red Rice Colour Change after Blending with Iron and Folic Acid Fortified Kernels

Vijayakumari, V.; Dharmasena, D.A.N. (University of Jaffna, 2019)

Micronutrient malnutrition is a global issue and iron deficiency is a major public health concern, particularly, in young children and pregnant women in Sri Lanka. Rice fortification with micronutrients has been recognized ...
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 ...
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 ...
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 ...
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 ...

Now showing items 21-40 of 60

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