Agronomy: Recent submissions

Now showing items 121-140 of 145

Homegarden to Rebuild Environmental, Economic, Food and Nutritional Security in North & Eastern Provinces of Sri Lanka

Pushpakumara, D.K.N.G.; Jeyavanan, K.; Marambe, B.; Sivananthawerl, T.; Singh, V.P. (Tropical homegardens: multi functionality and benefits, World congress on Agroforestry (wca2014-2485) held at WijayanBhavan, Delhi, India, 2014)

Homegarden agroforestry is an integrated land management system that provides sustainable economic, environmental and social benefits to people through growing of appropriate but high value and cultural trees and crops and ...
Effect of Different Mulching Materials on Weed abundance, Growth and Yield of Okra (Hibiscus esculentus) Under Drip Irrigation

Selvaskanthan, S.; Sivachandiran, S. (Proceedings of the International Symposiumon Agriculture and Environment-2013, 2013)

A field experiment was conducted to assess the weed control efficiency of different mulching materials in okra cultivation under drip irrigation. In addition to this, effects of mulching materials on the population of ...
Control of Parthenium hysterophorus (L) and its Impact on Yield Performance of Tomato (Solanum lycopersicum L) in the Northern Province of Sri Lanka

Nishanthan, K.; Sivachandiran, S.; Marambe, B. (Tropical Agricultural Research 25, 2013)

Impact of weed control methods on the persistence of Parthenium hysterophorus (L), and quantity and quality of tomato (Solanum lycopersicum L) yield was studied in two farmer fields i.e. a site heavily infested with P. ...
Preliminary investigation on chemical parameters of Karuthacolomban Mangoes (Mangifera indica L.) in Jaffna

Jeyavanan, K.; Sivachandiran, S.; Nishanthan, K. (Jaffna, Annual sessions of the Jaffna science association, University of Jaffna, Sri Lanka, 2013)

Karuthacolomban mango from Thenmaradchy division of Jaffna district is very popular among the consumers. But there is no consistency in the physico-chemical characters of the fruit among these Karuthacolomban cultivars. ...
Variability studies on Karuthacolomban Mangoes (Mangifera indica L.) based on physical parameters in Thenmaradchi divisions of Jaffna, Sri Lanka

Jeyavanan, K.; Nishanthan, K.; Sivachdiran, S. (Proceedings of 13th Annual Research Symposium held at the Faculty of Graduate studies, University of Kelaniya, 2012)

Karuthacolombanis the well-known mango type cultivated Jaffna district with high consumer preference. But there is no consistency in the characters found among the existing plants. To clasify the different types of ...
Varietal influences of organically grown Cowpea at different spacing on weed abundance, growth and yield

Chandrika, T.; Sivachandiran, S. (Vavuniya Campus Annual Research Session-2009, 2009)

Weed control becomes a different task in organic farming as many weed seeds are carried with materials used as organic manures. This study aimed to evaluate the effect of three different inter row spacing of three different ...
Multiplication Pattern of Local Earthworm in different crop stands

Sivaruban, S.; Sivachandiran, S.; Pradheeban, L. (Vavuniya Campus Annual Research Session-2009, 2009)

The changes of earthworm communities were evaluated in different crop stands in a calcic reddish yellow latosol over a period of six months (Aug 2007 /Feb 2008) at Agriculture research station, Thirunelvely. Six treatments ...
Growth and yield Responses of Capsicum (Capsicum annuum) Intercropped with Maize(Zea mays)

Kanatharan, Y.; Sivachandiran, S.; Sivakumar, S. (Vavuniya Campus Annual Research Session-2009, 2009)

Effect of planting pattern of capsicum in maize in an intercropping system was studied at the District Agricultural Training Centre (DATC), Thirunelvely, during the period from November 2008 to March 2009. The experiment ...
Suitability of Different Organic manures in pot culture of okra and cabbage

Thavappiriya, S.; Sivachandiran, S.; Pradheeban, L. (Jaffna Science Association Annual Session – 2009, 2009)

Quality and Healthy vegetables can be produced organically with minimal environmental pollution. Small scale organic farming in pots is much feasible in Jaffna. In order to find better organic potting materials to cultivate ...
Effect of Plant Densities on Growth and Yield of Cabbage

Janakan, L.; Sivachandiran, S.; Pradheeban, L. (Jaffna Science Association Annual Session – 2009, 2009)

Plant spacing is one of the important factors that determine productivity of vegetables crops. Jaffna farmers cultivate many local and exotic vegetables at different time period depending on their market demand. An experiment ...
Effect of Different Spacing on Growth and Yield of Tomato

Janakan, L.; Sivachandiran, S.; Pradheeban, L. (Jaffna Science Association Annual Session – 2009, 2009)

Jaffna farmers cultivate many local and exotic vegetables. Several factors determine the productivity of these vegetable crops. One of the major factors determines the productivity is the plant spacing. An experiment was ...
Effect of Bulb size, Spacing and Planting depth on Growth and Yield of Red onion (allium ascolanicum) in Dry zone under Irrigated Condition

Viyajathasan, S.; Sivachandiran, S.; Selvanathan, N. (Jaffna Science Association Annual Session – 2009, 2009)

The study was conducted at the Agricultural Research Station Thirunelvely, to investigate the effect of bulb let sizes (6.8 cm and 5.3 cm circumference) , three plant spacing (10 cm × 10 cm, 10 cm × 5 cm, 8 cm × 8 cm) and ...
Effect of Different Plant Densities on Growth and Yield of Different Green Gram Varieties in Red Yellow Latersol under Irrigation

Muhunthan, P.; Sivachandiran, S.; Pradheeban, L. (Jaffna Science Association Annual Session – 2009, 2009)

A field experiment was conducted during Maha season 2007 to study effect of spacing on green gram yield in red yellow latersol soil under irrigation.15 treatment combinations comprising three green gram varieties MI6, ARI ...
Growth and Yield response of Maize (Zea mays) intercropped with different crop densities of Green gram (Vigna radiate)

Kirija, M.; Sivachandiran, S.; Pradheeban, L.; Selvanathan, N. (Eastern University 7th Annual Research Session-2008, 2008)

The recent statistics showed that the extent under maize cultivation is increased in Jaffna as there is no way to bring maize from other parts of the country. But the maize cultivation is not very profit due to high cost ...
Effect of storage period of bulbs on vigour, growth and yield of red onion(Allium ascolanicum)

Karthiha, K.; Sivachandiran, S.; Pradheeban, L.; Selvanathan, N. (Vavuniya Campus Annual Research Session-2008, 2008)

Availability of quality planting materials of red onion (Allium ascolanicum) is a major problem for the onion farmers in Jaffna. Onion bulb vigour varies with storage period and the optimum storage period of planting bulb ...
Effect of different packages of practices on organic leafy vegetable production

Tharani, B.; Sivachandiran, S.; Pradheeban, L.; Selvanathan, N. (Vavuniya Campus Annual Research Session-2008, 2008)

In agriculture, Uses of inorganic chemicals are often criticized due to their adverse effect on human health and environment. Especially its effects on leafy vegetables are high as they often eat as raw or partially cooked ...
Allelopathic effect of aqueous extracts from Purple nut sedge (Cyperus rotundus)on germination of agriculture crops

Amirthalingam, V.; Sivachandiran, S. (Jaffna Science Association Annual Session – 2008, 2008)

A study was carried out in the Department of Agronomy, Faculty of Agriculture, University of Jaffna during September to December 2005 to find the allelopathic effect of different concentration of aqueous extract of Cyperus ...
Influences of storage conditions on germination of Bittergourd (Mormodicacharantia) seeds

Atputhachandran, P.; Sivachandiran, S. (Jaffna Science Association Annual Session – 2008, 2008)

Bitter gourd is an important vegetable crop for its quality and medicinal value. Poor germination after storage is reported by seed producers as well as farmers as the major hindrance in increasing production. An experiment ...
Growth and Yield response of Maize (Zea mays) intercropped with different crop densities of Green gram (Vigna radiate)

Kirija, M.; Sivachandiran, S.; Pradheeban, L.; Selvanathan, N. (7th Annual Research Session-2008. Eastern University, 2008-12)

The recent statistics showed that the extent under maize cultivation is increased in Jaffna as there is no way to bring maize from other parts of the country. But the maize cultivation is not very profit due to high cost ...
Control of Partheniumhysterophorus (L) and its Impact on Yield Performance of Tomato (Solanum lycopersicum L) in the Northern Province of Sri Lanka

Nishanthan, K.; Sivachandiran, S.; Marambe, B. (Tropical Agricultural Research 25, 2013)

Impact of weed control methods on the persistence of Partheniumhysterophorus (L), and quantity and quality of tomato (Solanum lycopersicum L) yield was studied in two farmer fields i.e. a site heavily infested with P. ...

Now showing items 121-140 of 145

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