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Faculty of Agriculture: Recent submissions

Now showing items 81-100 of 404

Effect of maturity and potting media on vegetative propagation of Salacia reticulata (Kothalahimbatu) through stem cuttings.

Nayana, E.K.E.; Subasinghe, S.; Arunakumara, K.K.I.U.; Amarasinghe, M.K.T.K.; Kumarasinghe, H.K.M.S. (International Society of Minor Fruits, Medicinal and Aromatic Plants, 2015)

Medicinal plants could be conserved either through development of improved forms of controlled use and/or through development of cultivation prac tices. In this context, development of simple, cost ef fective propagation ...
Bioaugmentation-assisted phytoextraction of Co, Pb and Zn: an assessment with a phosphate-solubilizing bacterium isolated from metal-contaminated mines of Boryeong Area in South Korea.

Arunakumara, K.K.I.U.; Walpola, B.C.; Yoon, M.H. (Presses agronomiques de Gembloux, 2015)

Description of the subject. Make use of microbes having remarkable metal tolerance and plant growth-promoting abilities to remediate metal-contaminated soils. Objectives. The objectives were to isolate phosphate solubili ...
Cultivation of fruits as alternative crops in Hambantota district: Potentials and prospects.

Kumarage, D.P.; Arunakumara, K.K.I.U. (University of Ruhuna, Sri Lanka, 2017)

Alternative crops are considered to be one of the feasible solutions for common constraints faced by the paddy farmers. Therefore the present study was undertaken in Hambantota district of Southern Sri Lanka with the ...
Properties of Finger jointed hardwood and softwood timber species in Sri Lanka.

Muthumala, C.K.; De Silva, S.; Alwis, P.L.A.G.; Arunakumara, K.K.I.U. (2017)

Finger joint is sustainable, ecofriendly and economically valuable concept for furniture industry. It ensures the sustainable utilization of small wood cut pieces which removed as waste. Finger joints are described as ...
Factors affecting the glue strength of finger joints in commonly used timber species in Sri Lanka.

Muthumala, C.K.; Dulanjalee, M.W.T.C.; De Silva, S.; Arunakumara, K.K.I.U.; Alwis, P.L.A.G. (University of Ruhuna, Sri Lanka, 2018)

Finger- jointed timber production plays a vital role in furniture industry in the world. However, issues related with the strength of the joints, fixing time, timber species and glue types etc. are not highly investigated ...
Effect of finger joining on flexural strength of commonly used timber species in Sri Lanka.

Muthumala, C.K.; De Siva, S.; Alwis, P.L.A.G.; Arunakumara, K.K.I.U. (University of Ruhuna, Sri Lanka, 2018)

The variation of flexural strength of seven timber species mainly used for furniture industry in Sri Lanka was studied. Modulus of Rupture (MOR) and Modulus of Elasticity (MOE) were measured without finger joint and with ...
Utilization of waste timber for construction industry using finger joint technique.

Muthumala, C.K.; De Silva, S.; Arunakumara, K.K.I.U.; Alwis, P.L.A.G. (2019)

Introduction: Timber was man’s first structural material and today is as important as ever for this purpose, it is likely, too through difficult to prove conclusively, that timber is used for a greater number of products ...
Variation of density, flexural strength and anatomical features of finger jointed wood products in Sri Lanka.

Muthumala, C.K.; De Siva, S.; Arunakumara, K.K.I.U.; Alwis, P.L.A.G. (ICWSE, Romania, 2019)

Timber is considered to be an ecological friendly building material with less construction energy requirements (Muthumala et. al, 2019). Finger jointed technique is used to eliminate wood defects which weaken the strength ...
Investigate the most suitable glue type for finger-joints production in Sri Lanka.

Muthumala, C.K.; De Silva, S.; Arunakumara, K.K.I.U.; Alwis, P.L.A.G. (International Science Community Association, 2019)

Finger joint is sustainable, eco-friendly and economically valuable concept for furniture industry. It ensures the sustainable utilization of small wood cut pieces which removed as waste. Finger joints are described as ...
Identifying the strength grade for finger jointed timber species according to BS 5268-2:2002.

Muthumala, C.K.; De Silva, S.; Arunakumara, K.K.I.U.; Alwis, P.L.A.G. (University of Sri Jayewardenepura, 2019)

Off-cut wood is currently considered as waste thus is dumped by saw mills as they find no means of utilising them. Sawn timber material of furniture factories and short length of sawn timbers are also considered to be ...
Classification of finger joint timber based on strength index.

Muthumala, C.K.; De Silva, S.; Arunakumara, K.K.I.U.; Alwis, P.L.A.G. (University of Sri Jayewardenepura, 2019)

At present, off-cut wood pieces are dumped by sawmills as they are considered to be wastes in the wood industry. Inadequate length of sawn timber material is also reported to be a limiting factor for fully utilization of ...
Finger joint technique to mitigate climate change.

Muthumala, C.K.; De Silva, S.; Arunakumara, K.K.I.U.; Alwis, P.L.A.G. (Ministry of Environment, Sri Lanka, 2020)

Introduction: Human induced climate change is one of the most pressing and complex issues facing society in the 21st century. Increased use of forests and wood products, does make an important contribution towards tackling ...
Effectiveness of farmer field school program of minor irrigation systems in Hambantota district.

Wijamunige, M.; Arunakumara, K.K.I.U. (Uwa-Wellassa University, Sri Lanka, 2020)

Farmer Field School (FFS) is used for the diagnosis of pest and diseases and make recommendations accordingly with the participation of paddy farmers. In Sri Lanka, FFS has been commenced in the Hambantota district as a ...
Development of low-cost growing media for Spirulina using alternative Carbon sources.

Bandara, J.M.B.M.G.; Arunakumara, K.K.I.U. (University of Sri Jayewardenepura, Sri Lanka, 2020)

Spirulina, a blue-green microalgae is grown commercially throughout the world due to the high protein content and non-toxic features of the algal biomass. The Zarrouk’s medium which contains Na2CO3 and NaHCO3 as the carbon ...
Effect of plant growth regulators on seed germination in walla patta (Gyrinops walla).

Dharmasena, K.P.S.S.; Arunakumara, K.K.I.U. (Rajarata University of Sri Lanka, 2020)

Walla patta (Gyrinops walla Gaertn.) belongs to family Thymelaeaceae, is a valuable endemic plant in Sri Lanka. Recently, this species has become a topic of wide interest due to its ability to produce highly valuable ...
Assessment of the compression strength performance of finger-jointed wood products.

Muthumala, C.K.; De Silva, S.; Alwis, P.L.A.G.; Arunakumara, K.K.I.U. (International Science Community Association, 2021)

Finger joint technique is used to eliminate wood defects which weaken the strength of sawn wood plank. The variation of compression strength of seven wood species commonly used for manufacturing furniture in Sri Lanka was ...
Identification of the best finger joint configuration for Sri Lankan wood species based on the flexural strength.

Muthumala, C.K.; De Silva, S.; Alwis, P.L.A.G.; Arunakumara, K.K.I.U. (Springer, 2021)

Finger joint technique is used to eliminate defects in sawn wood planks, since such defects reduce the strength of the planks. This study was, therefore conducted to find the finger joint configuration that is best suited ...
Effect of phosphate solubilizing bacteria (PSB) on growth and P uptake of Wallapatta (Gyrinops walla Gaertn.) seedlings.

Arunakumara, K.K.I.U.; Walpola, B.C.; Karunatunga, C. (Rajarata University of Sri Lanka, 2021)

Gyrinops walla Gaertn (wallapatta) is a highly valuable agarwood producing plant species endemic to Sri Lanka. Due to over-exploitation of the species, the natural habitats are tremendously under pressure, thus commercial-scale ...
A two-stage adaptive laboratory evolution strategy to enhance docosahexaenoic acid synthesis in oleaginous thraustochytrid.

Wang, S.; Wan, W.; Wang, Z.; Zhang, H.; Liu, H.; Arunakumara, K.K.I.U.; Cui, Q.; Song, X. (frontierssin.org, 2021)

Thraustochytrid is a promising algal oil resource with the potential to meet the demand for docosahexaenoic acid (DHA). However, oils with high DHA content produced by genetic modiﬁed thraustochytrids are not accepted by ...
Evaluation of the failure modes of the fingerjointed timber species for utilization of waste timber.

Muthumala, C.K.; De Siva, S.; Arunakumara, K.K.I.U.; Alwis, P.L.A.G. (Silicon Valley, 2021)

Off-cut wood pieces are often dumped by sawmills as they are considered to be wastes in the wood industry. A certain portion of timber has to be removed also due to inadequate length of sawn timber material. Finger jointing ...

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