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International Symposium on Agriculture and Environment - 2016: Recent submissions

Now showing items 61-80 of 98

Assessment of Lead and Cadmium Levels in Selected Soils of Anuradhapura District of Sri Lanka

Vijayakumar, S.; Ratnayake, R.R.; Gnanavelrajah, N. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

Various heavy metals have been reported as dangerous agents to the human health and wildlife when they occur in the environment at high concentrations. Cadmium (Cd) and lead (Pb) compounds are classified as hazardous ...
Nitrogen and Phosphorous Dynamics and Water Purification Ability of Vegetation and Soil in Uma Oya Catchment

Rajapaksha, R.M.I.S.; Udayakumara, E.P.N.; Jayawardana, J.M.C.K. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

Uma Oya catchment is one of the sub catchments of the Mahaweli watershed which is highly disturbed by the intensive crop cultivation practices. Nitrogen (N) and Phosphorous (P) exported from the catchments end up in ...
Enzyme Activity of Bt Cotton Grown Soils as Influenced by Bio-Fertilizers and Foliar Application of Nutrition

Laxman, T.; Ramprakash, T.; Kumar, K. Avil; Srinivas, A. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

A filed experiment was conducted during rainy season of 2014 to study the effect of bio-fertilizer and foliar application of macro nutrients (N, P and K) on enzyme activity at 60, 90 and 120 days after sowing. Enzyme ...
Influence of Integrated Nutrient Sources on Agronomic Traits of Maize

Kalaiyarasan, V.; Nandhini, D.U.; Udhayakumar, K. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

Modern agricultural technologies have created a wide range of issues in agriculture. Recently, it has been realized that application of chemical fertilizers in conjunction with organic manures will sustain and maintain ...
Status of Wetlands of Urban Coimbatore, Tamil Nadu and Their Characterization

Bharani, A.; Gopinathan, P.; Mahimairaja, S. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

The urban wetlands of Coimbatore, Tamil Nadu are fed by the Noyyal River that originates from the Western Ghats of India. Many of these wetlands support rich flora and fauna which will be greatly affected by degradation ...
Phytoextraction of Nickel from Contaminated Soils by Employing Bioamendments

Sathya, V.; Mahimairaja, S.; Bharani, A. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

Phytoremediation is an emerging technology in which the plants are employed to absorb and bio-magnify elements from polluted environments and metabolize them into various biomolecules. Once inside the plant, chemicals ...
Effect of Sulphur Fertilization on Different Forms of Sulphur in the Soil under Mustard Cultivation in Terai Region of West Bengal, India

Rakesh, S.; Banik, G.C. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

A field experiment was conducted in Indian mustard [Brass/ca juncea (L.) Czern & Coss.] growing soils with added doses of S (at 15, 20, 25, 30 kg h a 1) each from two sources, namely bentonite-S and single super phosphate ...
Decomposition of Soil Organic Component under Organic Rice Cultivation in Bali, Indonesia

Sakagami, Nobuo (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

As mentioned in numerous sources of literature, soil organic carbon is the major component of the terrestrial carbon pool. Soil organic carbon in agricultural soil is a potential sink for the atmospheric carbon. The ...
Determination of Critical Weed Free Period for Peanut Cultivation in Hambantota Area in Sri Lanka

Liyanage, D.P.P.; Malanie, L.G.; Ruwan, W.A.C.; Lakmali, D.L.D. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

Field studies were conducted at research field of grain legumes and oil crops research and development centre at Angunakolapelessa in 2011/12 Maha, 2012 Yala and 2012/13 Maha seasons to evaluate the effects of mixed ...
Evaluation of the Crop Establishment methods for Submerge Tolerant Rice Variety: Bg455 under Waterlogged Conditions

Rupasinghe, M.G.N.; De Silva, K.M.S. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

A major portion of Sri Lanka low lying lands lies in a belt along the Western coast from Wennappuwa to Dondra. Approximately 28,000ha of low lying lands are situated in the Low Country Wet Zone of Sri Lanka. These lands ...
Morphological Diversity of Wild Rice (O. nivara S.D. Sharma and Shastry) Accessions in Sri Lanka

Ratnasekera, D.; Subhashi, A.P.T.; Eledchumysankar, T.; Jesuthasan, K.; Thananjeyan, K.; Vairavanathan, V.; Rajapakse, R. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

Rice (Oryza sativa L.) has been cultivated as a major crop for about thousands of years, and it currently sustains nearly one-half of the world population. Wild relatives of rice are an invaluable resource for rice ...
Effect of Pre-sowing Seed Treatments on Drought Tolerance of Rice (Oryza sativa L.) Seedlings

Galahitigama, G.A.H.; Wathugala, D.L. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

Drought is an important environmental constraint limiting the productivity of many crops worldwide. Seedling tolerance to drought is crucial for crop growth and development under water limited conditions. Therefore, ...
Awareness about Exacum species (Binara/Ginihiriya) Among the University Students of Sri Lanka

Perera, P.C.D.; Dahanayake, N. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

There are eight Exacum species available in Sri Lanka. The genus Exacum is at risk of extinction due to various reasons. In some areas, the local populations of Exacum have been eliminated due to weed controlling. The ...
Review on Potential for Keyhole Gardening Concept in Sri Lanka

Chathurika, A.P.S.; Perera, P.C.D.; Zoysa, L.D.M. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

In the context of limited resource availability, wastes can be valuable raw materials if they are recycled properly. However, improper waste management has lead to many problems in the present world. Considering the ...
In vitro Establishment and Browning Control of Cinnamon Nodal Explants from Field-Grown Plants (Cinnamomumm verum : Sri Gamunu and Sri vijaya)

Fonseka, D.L.C.K.; Bandusiri, A.P.A. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

Cinnamon is cross pollinated species and wide variability has been observed in yield, quality of produce and oil content and other morphological characteristics. Cinnamon is still exclusively seed propagated. However ...
Evaluation of Two Bacterial Antagonists in Controlling Tomato Damping off Pathogen, Rhizoctonia solani under In Vitro and In Vivo Conditions

Dilhani, M.I.; Sandani, H.B.P.; Ranathunge, N.P. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

The antagonism exerted by two bacterial strains, Burkholderia gladioli (F79) and an unidentified strain (C31) was tested against an isolate of Rhizoctonia solani, a major causal agent of damping off disease in tomato. ...
Morphological Variations of Twelve Accessions of the Traditional Rice, Heenati, Deposited at the Plant Genetic Resource Center, Sri Lanka

Jayasinghe, G.W.D.K.; Ranawake, A.L.; Senanayake, S.G.J.N. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

Twelve Heenatirice accessions collected from the plant genetic resources centre (PGRC), Gannoruwa, Sri Lanka were evaluated on the basis of 12 agro-morphological traits in a field experiment during major [Maha] season, ...
Influence of Organic Manures and Spacing on Herbage Yield in Tulsi (ocimum sanctum L.)

Sukumar, S.; Swaminathan, V.; Arularasu, P. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

Ocimum sanctum L.is commonly known as Tulsi or Holy Basil, which is a species worshipped by the Hindus. Ocimum sanctum belongs to the family Lamiaceae. The economically important part of Ocimum sanctum is its herb (leaves ...
Nod Factor (Lipo-chitooligosaccharide) Induced Salt Tolerance of Maize

Somasundaram, E.; Dhandayuthapani, U.N. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

In agriculture, salinity is an extensive problem that reduces the productivity of crops. Research in the use of signaling molecules to enhance crop performance is still in the nascent stage in India. Lipo-chitooligosac ...
Effect of Substrate Mixture on the Growth Performance of Ornamental Aquatic Plant Echinodorus bleherae “Broad leaved Amazon Swords”

Sandamini, M.S.S.; Radampola, K. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2016-01-13)

The present study was carried out to evaluate the effect of substrate mixture on the growth of Echinodorus bleherae, a popular freshwater aquarium plant. Four different substrate mixtures, Tl= top soil: sand 3:l(control), ...

Now showing items 61-80 of 98

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