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SRI LANKAN JOURNAL OF AGRICULTURE AND ECOSYSTEMS ISSN: 2673-1401: Recent submissions

Now showing items 1-20 of 62

Assessment of Colletotrichum capsici and C. gloeosporioides Resistance among Chilli Accessions Available in Sri Lanka

Kumari, K.A.S.I.; Senanayake, D.M.J.B.; Dhammika, W.A.R.; Fernando, W.M.K.; Wijerathne, W.M.S.B.K.; Dasanayake, P.J.K.; Nanayakkara, C.M.; Balasuriya, A. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2019-08)

Anthracnose is one of the most destructive fungal diseases in chilli (Capsicum annuum L.), which affects the seed production and post-harvest quality of the product. There are no reports available on the resistance levels ...
Design and Development of a Two-Wheel Tractor Coupled Bund Plastering and Canal (Kiwul-Ela) Making Equipment

Sandaruwan, E.A.A.; Weerasooriya, G.V.T.V.; Fernando, A.J. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2019-08)

Rice (Oryza sativa L.) is the staple food and major crop in Sri Lanka. Improving rice cropping practices and production systems are required to enable sustainability. Presently bund cleaning, plastering, and kiwul-ela ...
Soil Characteristics of Cassava Growing Ferralsols and Ferruginous Soils in Kwara State, Nigeria

Oriola, E.O.; Babatunde, O.R.; Salami, A.A. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2019-08)

Population pressure on land has led to reduced fallow periods, more intensive land- use and increasing problems of soil infertility in Kwara State, Nigeria. As a result, depletion of soil fertility is a serious issue due ...
Homegardening for Food Security and Income Generation of War Affected Women-headed Families: A Case Study in Cheddikulam, Northern Province of Sri Lanka

Senarathna, S.A.S.R.; Ginigaddara, G.A.S.; Kodithuwakku, A.N.; Vimaladhas, V. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2019-08)

The most fundamental social benefit of homegardening (HG) is its direct contributions to rural livelihood development. HG was introduced in the post-war era as a sustainable approach to ensure food security and income ...
Development of a Vacuum Type Pan Evaporator for Kithul Treacle and Jaggery Production

Wijesingha, W.I.A.I.; Kosgollegedara, E.J.; Kahandage, P.D.; Weerasooriya, G.V.T.V. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2019-08)

Kithul (Caryota urens) treacle and jaggery considered to be most important traditional sources of sweeteners. Sap of the Kithul palms is used to produce treacle and jaggery, which fetch high nutritional and export market ...
Small-Scale Wetland Units for Domestic Greywater Treatment

Dissanayake, D.M.T.S.; Dissanayaka, D.M.S.H.; Jayaneththi, J.P.H.U. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2019-08)

Constructed wetlands (CW) are eco-friendly systems which mimic the functions of natural wetland. It is low-cost alternative system for the treatment of wastewater even up to domestic level. Therefore, this study was designed ...
The Most Effective Holding Size for Small Scale Rubber Sector in Kegalle District, Sri Lanka

Senanayake, I.R.T.D.; Ginigaddara, G.A.S. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2019-08)

The contribution of the rubber smallholding sector of Sri Lanka to the national rubber production is about 77% and Kegalle is a district where a higher number of small-scale rubber production land units are located. ...
Association of Polymorphisms in the Cryptochrome-1 gene (turCry1) with Growth and Reproductive Traits in Turkeys, Meleagris gallopavo

Adikari, A.M.J.B.; Xu, J.; Smith, E.J. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2019-08)

Circadian clock genes including Cryptochrome-1 are involved in the molecular mechanism of the biological clock which controls the behavioral, physiological and biochemical circadian rhythms of animals. The turkey Cryptochrome1 ...
Stem Cuttings of Different Maturity Classes of Tomato: A Viable Option for Seedlings

Bandara, K.G.R.D.P.; Fonseka, H.Hemal; Devasinghe, D.A.U.D.; Abhayapala, K.M.R.D. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2019-08)

Although the tomatoes (Solanum lycopersicum L.) are propagated widely using seeds, propagation through stem cuttings could be a viable option to address the problems of seed propagation including genetic variations, poor ...
Assessment of the Sequence-Based Haplotype-Variants in Selected DNA Marker Loci for the Molecular Breeding of Resistant Rice Varieties to Brown Plant Hopper

Rathnayake, R.M.S.K.; Rathnayake, P.G.R.G.; Jayarathne, H.S.M.; Nizam, R.; Ranaweera, L.T.; Kannangara, S.K.; Udawela, U.A.K.S.; Weebadde, C.K.; Sooriyapathirana, S.D.S.S. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2019-08)

Brown plant hopper (BPH) is the most devastating insect pest of rice. The BPH damage is trivial that farmers may end up with zero or below average yields. The application of insecticide would only lead to the emergence of ...
Trace elements in commercially available Triple Super Phosphate Fertilizers in Sri Lanka

De Silva, A.G.S.D.; Abeysingha, N.S.; Duminda, D.M.S. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2019-12)

This study tested the trace elements in commonly used Triple Super Phosphate (TSP) fertilizers in Sri Lanka. TSP samples collected from two Fertilizer Companies (A and B) were used. Six replicates of each company fertilizers ...
Cadmium Tolerance of Rice (Oryza Sativa L.): Effects on Plant Growth and Physiology

Wijayawardhana, D.; Herath, V.; Weerasinghe, P.A. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2019-12)

The effects of cadmium (Cd) toxicity on plant growth and physiology were investigated in rice (Oryza sativa L.) grown in sand medium. Suwandel and Bg300 rice varieties were evaluated against 0, 0.5 and 3 mg kg-1 Cd levels ...
An Economic Analysis on Production and Marketing of Rapeseed in Kailali, Nepal

Pokharel, Sujan; Poudel, Kabita; Suraj, K.C.; Adhikari, Sabuj; Giri, Kushal; Shriwastav, C.P. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2019-12)

A study was conducted in 2019 to analyze the economics of production and marketing of rapeseed in Kailali district of Nepal. This study used 127 rapeseed farmers which were selected by simple random sampling technique to ...
Discrimination of the Species and Toxic Heavy Metal Contents of Alternanthera Sessilis (Sessile Joyweed), A. Philoxeroides (Alligator Weed) and Other Related Alternanthera Species

Ranaweera, L.T.; Jayarathne, H.S.M.; Gayathree, T.H.I.; Karunarathne, S.I.; Kannangara, S.K.; Ananda, G.K.S.; Ranasinghe, R.D.G.A.; Weebadde, C.K.; Sooriyapathirana, S.D.S.S. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2019-12)

Alternanthera sessilis [sessile joyweed (SJ)] is a staple leafy vegetable in Sri Lanka. However, A. philoxeroides [alligator weed (AW)] often gets mixed up with SJ due to the similar appearance. Alligator weed is an invasive ...
Sweet Potato Cultivar with Characteristic Acid-Green Foliage as an Alternative Leafy Vegetable to Water Spinach Grown in Polluted Habitats

Ranasinghe, R.D.G.A.; Ranathunga, A.P.D.T.; Ranaweera, L.T.; Meepegamage, S.W.; Wijesundara, W.W.M.U.K.; Thilakarathne, S.M.N.K.; Weebadde, C.K.; Sooriyapathirana, S.D.S.S. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2019-12)

Water spinach (WS) is a leafy vegetable that accumulates toxic elements when grown in polluted habitats. Unfortunately, WS sold in the Sri Lankan local market, mainly comes from polluted sites. The fast-growing cultivar, ...
Application of Phytoremediation Techniques to Treat Reverse Osmosis Concentrate using Wetlands

Yapa, Y.M.N.C.; Dissanayaka, D.M.S.H.; Nirmanee, K.G.S. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2019-12)

Reverse Osmosis (RO) plants have been introduced by many organizations to Chronic Kidney Disease of Unknown Etiology (CKDu) affected areas as an effective drinking water treatment method. The liquid byproduct of RO system ...
Use of Milk Protein Isolate to Improve the Textural Properties of Curd

Kumari, G.W.S.N.; Jayasumana, M.T.L.K.; Edirisinghe, M.P.; Weerasingha, W.V.V.R. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2019-12)

The objective of this study was to evaluate the effect of Milk Protein Isolate (MPI) on the textural properties of curd. Four different incorporation levels of MPI as 0.5%, 1%, 1.5% and 2% were compared with control having ...
Quantitative and Qualitative Losses in Paddy, Maize and Greengram Stored under Household Conditions in Anuradhapura District of Sri Lanka

Kumari, J.M.P.; Wijayaratne, L.K.W.; Jayawardena, N.W.I.A.; Egodawatta, W.C.P. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2020-06)

Substantial losses are common due to various reasons of durable crops during storage, which threatens economy, health and food security. Despite the frequent reports on post-harvest losses of paddy and other cereals ...
Evaluation of Competitiveness of Ceylon Tea in the World Market

Jayamanna, V.S.; Abewickrama, L.M.; Kithsiri, K.H.S.Kumara (Faculty of Agriculture - Rajarata University of Sri Lanka, 2020-06)

Competitiveness and being competitive is vitally needed to enhance the performance and to tackle challenges in the highly competitive world tea market. The prestige brand Ceylon Tea established in the past has been enjoyed ...
Community Perception on Sustainable Utilization of Kaduwela Wetland for Agriculture, Sri Lanka

Nawarathne, W.R.M.D.P; Dissanayake, S.P.; Ginigaddara, G.A.S. (Faculty of Agriculture - Rajarata University of Sri Lanka, 2020-06)

Wetlands serve as valuable natural infrastructure for agriculture for million years. Food security is a global issue of all nations in the world; especially the developing countries. Demand driven agricultural expansion ...

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