Agronomy: Recent submissions

Now showing items 101-120 of 145

Effect of Different Periods of Earthing up on Growth and Yield Performances of Groundnut (Arachis hypogea L.)Varieties

Thilini, S.; Pradheeban, L.; Nishanthan, K. (Faculty of Agriculture, University of Jaffna, Sri Lanka, 2018)

An experiment was conducted to assess the effect of different periods of earthing up on growth and yield performances of groundnut (Arachis hypogea L.) varieties at the Faculty of Agriculture, Kilinochchi during the period ...
Effect of Different Potting Medium on Growth and Yield Performances of Capsicum under Organic and Inorganic Management

Vijayarathy, T.; Pradheeban, L.; Nishanthan, K. (Faculty of Agriculture, University of Jaffna, Sri Lanka, 2018)

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. ...
Seedbank dynamics and integrated management of Parthenium hysterophorus in vegetable capsicum

Nishanthan, K.; Sivachandiran, S.; Marambe, B. (Elsevier Ltd, 2018)

Weed seedbank was assessed and an integrated weed management package was developed to control Parthenium hysterophorus in vegetable capsicum. Field experiments were conducted simultaneously in a Parthenium-site (PS) and ...
Control of Parthenium hysterophorus L. and its Impact on Yield Performance of Tomato (Solanum lycopersicum L.) in the Northern Province of Sri

Nishanthan, K.; Sivachandiran, S.; Marambe, B. (Postgraduate Institute of Agriculture, University of Peradeniya, Sri Lanka, 2013)

Impact of weed control methods on the persistence of Parthenium hysterophorus L., and tomato (Solanum lycopersicum L.) yield was studied in two farmer fields i.e. a site heavily infested with P. hysterophorus (Parthenium-site) ...
Distribution, Growth and above ground Biomass of Teak (Tectonagrandis L.) Plantation in Mullaitivu District of Sri Lanka

Satheesan, T.; Sivachandiran, S.; Phuspakumara, D.K.N.G.; Sivanathawerl, T. (International Journal of Scientific and Research Publications, 6 (3): 72-76, 2016-03)

Teak plantation was established in Northern Province of Sri Lanka since 1960’s and it is widely used for the purpose as timber in Sri Lanka. Among the districts of the Northern region, Mullaitivu is a potential district ...
Yield Optimization of Chilli and String bean for Different Levels of Spacing and Organic Fertilizer under Intercrop and Monocrop systems

Shivatharsinii, K.; Jeyavanan, K.; Siyambalapitiya, S.B. (International Research Sessions, Faculty of Dental Science, University of Peradeniya, Sri Lanka, 2016-11-04)

The scope of agriculture is the utilization of resources in the most efficient manner. In this respect, optimization of yield in agriculture crops is needed to safeguard the farmer by minimizing the cost. In the collaboration ...
Effect of Different Pre-Sowing Treatments on Seed Germination of Diospyros ebenum Koenig

Jeyavanan, K.; Vinujan, Phuspakumara, D.K.N.GS; Sivachandiran, S. (World Journal of Agricultural Sciences 12 (6): 384-392, 2016, 2016-12)

Diospyros ebenum Koenig is one of canopy dominant species commonly called as Ceylon ebony and heavily extracted and threaten border line by anthropogenic activity in the dry zone forests in Sri Lanka, has led to the decrease ...
Plant Diversity and Income Generation of Homegardens in Kilinochchi District, Sri Lanka

Vinujan, Sivachandiran,SS; Sivananthawerl, Phuspakumara, D.K.N.GT (World Journal of Agricultural Sciences 12 (6): 393-403, 2016, 2016)

Homegardens are considered as one of the sustainable land use systems in Sri Lanka. Sustainable production and good socio-economic condition can be achieved by homegardening. There were no data regarding the available ...
Species Diversity, Distribution and Biomass Estimation of Selected Sites of Forest Reserve in Mullaitivu District in Sri Lanka

Thirukkumaran, Sivachandiran, S S.; Jeyavanan, K. (International Conference on Dry Zone Agriculture -2016. Jaffna University, Sri Lanka, 2016-12-15)

The Mullaitivu district covers approximately 8.6 % of forest vegetation which contributes for the economic development of the rural community and environmental conservation of the district. However, information ...
Distribution and Carbon Stock Estimation of Mangrove Species in Kokkilai Lagoon of Mullaitivu District in Sri Lanka

Vinoth, Jeyavanan, K. A.; Sivachandiran, S. (International Conference on Dry Zone Agriculture -2016. Jaffna University, Sri Lanka, 2016-12-15)

The aim of this study was to assess the diversity of mangrove tree species and to estimate above ground biomass in mangrove-forested areas. While there has been extensive research on mangroves both in tropical and ...
Ecosystem Services of Homegarden Agroforestry in Jaffna Peninsula

Jeyavanan, K.; Pushpakumara, D.K.N.G.; Sivachandiran, S. (International Conference on Dry Zone Agriculture -2016. Jaffna University, Sri Lanka, 2016-12-15)

Homegarden agroforestry systems is an integrated land management and multifunctional system that provides ecosystem services, namely provisioning, regulating, cultural and supporting. As in other areas of the country, ...
Influence of whole and Sub Soil Salinity on Growth, Development, Physiology and Yield of Selected rice Varieties Cultivated in Jaffna District, Sri Lanka

Pradheeban, L.; Nissanka, S.P.; Suriyagoda, L.D.B. (Tropical Agricultural Research Vol. 28 (4): 389 – 401 (2017), 2016-11-17)

Growth and yield reduction of rice is a serious issue in salinity prone areas of the world. Rice yields decrease by 12 % for every unit (dSm-1) increase in EC above 3 dSm-1. Salt in different soil depths influence the yield ...
Effect of Different Height of Earthing up on Yield Performance of Groundnut under Irrigated Condition in Kilinochchi District, Sri Lanka.

Ragulan, G.; Nishanthan, S.; Pradheeban, L.; Sivachandiran, K. (World Journal phamaceutical and Life Science. 2(4): 471-481., 2016-08)

Research was conducted in Kilinochchi District to study the effect of different heights of earthing up on yield performance of groundnut during February to May 2016. Four different earthing up heights such as 0 cm, 5 cm, ...
Effect of different pulsing solutions on vase life of Dieffenbachia maculata Cut foliage

Sasikala, S.; Pradheeban, L.; Selvaskanthan, S. (International Journal of Agricultural and Food Science, 2015)

The effect of selected chemical agents used as pulsing solutions to improve the keeping quality and extend the vase life of Dieffenbachia maculata cut foliage had been studied especially when they are used for flower ...
Screening Commonly Cultivated Rice (Oryza sativa L.) Varieties in Jaffna for Reaction to Salinity at Seedling Stage Under Hydroponics

Pradheeban, L.; Nissanka, N.A.A.S.P.; Suriyagoda, L.D.B. (SLCARP InternationalAgricultural Research Symposium.pp 17, 2014)

Twenty two rice (Oryza sativa L.) varieties cultivated in Jaffna peninsula in Sri Lanka were tested for their response to salinity at seedling stage in two factor factorial experiment conducted in a completely randomized ...
Clustering of Rice (Oryza sativa L.) Varieties Cultivated in Jaffna District of Sri Lanka based on Salt Tolerance during Germination and Seedling Stages

Pradheeban, L.; Nissanka, N.A.A.S.P.; Suriyagoda, L.D.B. (Tropical Agricultural Research 25 (3),, 2013)

Twenty three rice (Oryza sativa L.) varieties cultivated in Jaffna district of Sri Lanka were screened for salt tolerance at the germination and early seedling stage using different salinity levels (0, 4, 8, 12, 24 and 45 ...
Influence of Different Application Methods of Gibberellic acid (GA3) on Quality and Yield of Grapes (Vitis vinifera L.)

Sangeetha, J.; Sivachandiran, S.; Selvaskanthan, S. (2015)

Israel blue is the seeded grape variety commonly cultivated by Jaffna farmers. Farmers face problems in marketing of grapes and obtaining lower prices due its poor quality. Gibberellic acid (GA3) is commonly used to improve ...
Growth conditions of Teak (Tectona grandis L.) Plantation in Mullaitivu District

Satheesan, T.; Sivanathawerl, T.; Sivachandran, S.; Phuspakumara, D. K. N. G. (International Conference on Dry Zone Agriculture -2015. Jaffna University, Sri Lanka, 2015)

Teak is an important timber plant widely used in Sri Lanka. Teak plantation was established in Northern part of Sri Lanka since 1960’s. Among the districts of the Northern region, Mullaitivu is a potential district for ...
Cultivar Variability Studies on Karuthacolomban Mango (Mangifera indica L.) based on Phenotypic Characters in Thenmaradchy division of Jaffna Peninsula, Sri Lanka

Jayavanan, K.; Sivachandiran, S. (Sri Lanka, International Journal of Agricultural and Food Science, 2015)

Mango karuthacolomban is a very promising and popular cultivar existed with high consumer preference. But, there is no consistency in the characters among the available types. Hence, the objective of this study is to ...
Role of live fence Agroforestry in Jaffna peninsula

Jayavanan, K.; Pushpakumara, D.K.N.G.; Sivachandran, S. (Tropical agriculturist, 2014)

Live fences are common feature of agricultural landscape in Sri Lanka. However, little information is available on abundance, composition, and their functions. Hence, a study was carried out at five villages, namely Kopay, ...

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