Prof. DAL Leelamanie

BSc. (Ruhuna, Sri Lanka), MSc (Peradeniya, Sri Lanka), PhD ( Tokyo, Japan)

Head
Professor of Soil Science
Dept of Soil Science
Faculty of Agriculture, University of Ruhuna, Sri Lanka

Phone

:

+94 41 22 92 200 / Ext 220

Fax

:

+94 41 22 92 384

E-mail

:

leelamanie@soil.ruh.ac.lk / leelamaniee@yahoo.co.uk

Google Scholar

Research Gate

   

NAME

D.A.L. Leelamanie

 

NATIONALITY

Sri Lankan

 

HIGHER EDUCATION

  • PhD in Agriculture (Soil Science) Tokyo University of Agriculture and Technology, Tokyo, Japan.

  • MSc Soil Science (Tropical Soil Management)University of Peradeniya, Kandy, Sri Lanka

  • BSc. Agriculture (Second class Upper division) University of Ruhuna, Matara, Sri Lanka.

 

PROFESSIONAL POSITIONS

  • Professor of Soil Science

  • Professor in Soil Science

  • Senior Lecturer

  • Lecturer

  • Demonstrator

 

RESEARCH GRANTS

  • Principal investigator of NRC research grant 14-019 (2014)

  • Principal investigator of University of Ruhuna research grant RU/PG-R/15/01. (2015)

  • Principal investigator of UGC Block Grant for strengthening research RU/PG-R/16/01. (2016)

  • Co-investigator NSF Research Grant RG/2015/EB/01 (2015)

  • Co- investigator of NSF research grant EG/2015/EB/01

 

SPECIAL ACADEMIC / PROFESSIONAL AWARDS AND FELLOWSHIPS

  • JASSO follow-up research fellowship Award, 2015

  • National Research Council (NRC) Merit Awards for Scientific Publication 2014.( (for publications in 2010, 2011, 2012)

  • Presidential Awards for Scientific Publications, organized by the NRC, Sri Lanka. (for publications in 2009)

  • Vice Chancellor’s Award for the Most Outstanding Young Researcher in 2011. University of Ruhuna, Sri Lanka

  • Japan International Award 2010 for Young Agricultural Researchers, Japan International Research Center for Agricultural Sciences (JIRCAS). Annual competitive award, which is organized and presented by the Ministry of Agriculture, Forestry and Fisheries (MAFF) of Japan

  • Dr. AWR Jorchim Award for the student who obtained the highest GPA (3.98 out of 4.0) for Postgraduate Studies in the year 2003. Post Graduate Institute of Agriculture, University of Peradeniya, Sri Lanka

  • Best presenter award – poster presentations. 9th Academic sessions of University of Ruhuna, Sri Lanka, march- 2012

  • The Monbukagakusho (Ministry of Education, Culture, Sports, Science and Technology: MEXT) Scholarship award for PhD. A competitive award, channeled through Ministry of higher Education, selected by the Embassy of Japan, Sri Lanka. 2004-2008

  • Dr. S.K. Charles Memorial Gold Medal for the student who obtained the best results in final year (BSc. Degree) - University of Ruhuna, Sri Lanka – 2000

  • Invitation Fellowship Award, Japan Society for Promotion of Science (JSPS). (2012)

  • Travelling Fellowship award, Overseas Special Training Program (OSTP), by the National Science Foundation (NSF) in alignment with the National Science Technology and Innovation Strategy – 2011

  • Netherlands Government Fellowship under Netherlands Fellowships Program (NFP) 2014

  • Best Speech Award, Ibaraki-ken Foreign students’ Japanese speech contest, Women’s Federation for World Peace (WFWP) – 2006

  • Special merit Award, Ibaraki-ken Foreign students’ Japanese speech contest, Women’s Federation for World Peace (WFWP) – 2006

 

MEMBERSHIPS AND ACTIVITIES IN PROFESSIONAL BODIES

  • Member of stakeholder group for Technology Needs Assessment (TNA) Report on Climate Change Adaptation

  • Editorial Board Member, Trends in Soil Science and Plant Nutrition (TSPN)

  • Editorial Board Member and reviewer, International Journal of Agricultural Sciences

  • Committee member, Sri Lankan Society of Soil Science (Life member)

  • Life member, Sri Lanka Association for the advancement of Science

  • Reviewer in Soil Science Society of America Journal; Soil Science and Plant Nutrients; Soil and water Research (SWR); Reviewer in Powder Technology; Environmental Science and Technology

 

INSTITUTIONAL DEVELOPMENT

  • Initiation and coordination of the Memorandum of Understanding (MOU) between faculty of Agriculture, University of Ruhuna and College of Agriculture, Ibaraki University, Japan, January, 2009

 

REFEREED JOURNALS (INTERNATIONAL)

 

Leelamanie D.A.L. and C.U. Manawardana. 2019 Soil hydrophysical properties as affected by solid waste compost amendments: seasonal and short-term effects in an Ultisol. Journal of Hydrology and Hydromechanics 67(3), DOI: 10.2478/johh-2019-0007 (SCI journal)

 

Leelamanie D.A.L. and J. Nishiwaki. 2019 Water repellency in Japanese coniferous forest soils as affected by drying temperature and moisture. Biologia, 74, 127-137. (SCI journal)

 

Liyanage T.D.P. and Leelamanie D.A.L., 2017. Availability of major nutrients in an Ultisol in Southern Sri Lanka treated with selected organic amendments intermixed with hydrophobic organic manure. Tropical Agricultural Research and Extension. 20, 333-342.

 

Leelamanie D.A.L. and Liyanage T.D.P., 2016. Water repellent effects of manure amended soils on organic matter decomposition, C retention, and respired CO2-C. Biologia. 71, 996- 1001. (SCI journal)

 

Liyanage T.D.P. and Leelamanie D.A.L., 2016. Influence of organic manure amendments on water repellency, water entry value, and water retention of soil samples from a tropical Ultisol. Journal of Hydrology and Hydromechanics. 64(2), 160–166. (SCI journal)

 

Leelamanie DAL, 2016: Occurrence and distribution of water repellency in size fractionated coastal dune sand in Sri Lanka under Casuarina shelterbelt. CATENA 142, 206-212. (SCI journal)

 

Leelamanie D.A.L., Liyanage T.D.P., Rajarathna I.M.L.V., 2016. Weight loss and C analysis methods in determining organic matter content in soils: accuracy, consistency, and usability, Tropical Agricultural Research and Extension Journal. 18, 117–125.

 

Leelamanie DAL, Mapa RB 2015: Alterations in soil aggregate stability of a tropical Ultisol as mediated by changes in land use. Biologia 70/11: 1444—1449. (SCI journal)

 

Leelamanie DAL 2014: Initial water repellency affected organic matter depletion rates of manure amended soils in Sri Lanka. Journal of Hydrology and Hydromechanics 62(4) 309– 315. (SCI journal)

 

Leelamanie DAL, Karube J 2014: Surface hydrophobicity of Japanese Andisol and its behavior upon exposure to heat. Soil Science Society of America Journal, 78:761–766. (SCI journal)

 

Leelamanie DAL, Karube J 2014: Water stable aggregates of Japanese Andisol as affected by hydrophobicity and drying temperature. Journal of Hydrology and Hydromechanics 62(2) 97– 100. (SCI journal)

 

Leelamanie DAL, Karube J, Samarawickrama UI 2013: Stability analysis of aggregates in relation to the hydrophobicity of organic manure for Sri Lankan Red Yellow Podzolic soils. Soil Science & Plant Nutrition, 59(5), 683–691. (SCI journal)

 

Leelamanie DAL, Karube J 2013: Soil-water contact angle as affected by the aqueous electrolyte concentration. Soil Science & Plant Nutrition, 59(4), 501–508. (SCI journal)

 

Leelamanie DAL, Karube J 2012: Drop size dependence of soil-water contact angle in relation to the droplet geometry and line tension. Soil Science & Plant Nutrition, 58 (6), 675– 683. 2012. (SCI journal)

 

Leelamanie DAL, Karube J 2011: Water-dependent repellency of model soils as affected by clay. Soil Science & Plant Nutrition, 57, 7–10. (SCI journal)

 

Leelamanie DAL, Karube J, Yoshida A 2010: Clay effects on contact angle and water drop penetration time of model soils. Soil Science & Plant Nutrition, 56,371–375. (SCI journal)

 

Leelamanie DAL, Karube J 2009: Effects of hydrophobic and hydrophilic organic matter on the water repellency of model sandy soils. Soil Sci. Plant Nutr., 55, 462-467.

 

Leelamanie DAL, Karube J 2009: Time-Dependence of contact angle and its relation to the repellency persistence in hydrophobized sand. Soil Sci. Plant Nutr., 55, 457-461.

 

Leelamanie DAL, Karube J, Yoshida A 2008: Relative humidity effects on sessile drop contact angle and water drop penetration time of sand with hydrophobic coatings. Soil Sci. Plant Nutr., 54 (5), 695-700.

 

Leelamanie DAL, Karube J, Yoshida A 2008: Characterizing water repellency indices: Contact angle and water drop penetration time of hydrophobized sand. Soil Sci. Plant Nutr., 54 (2), 179-187.

 

Leelamanie DAL, Karube J 2007: Effects of organic compounds, water content, and clay on the water repellency of a model sandy soil. Soil Sci. Plant Nutr., 53 (6), 711-719.

 

OREL PRESENTATIONS/ CONFERENCE PROCEEDINGS

 

T.D.P. Liyanage, D.A.L. Leelamanie 2019: Assessment of Potential Water Repellency of Litter Components in Casuarina equisetifolia Plants. 16th Academic Sessions, University of Ruhuna, ISSN: 2362-0412, Pp: 51.

 

T.D.P. Liyanage, T. Jayasinghe, E.M.I. Prasad, S.K.P. Manujaya, D.A.L. Leelamanie 2019: Effects of organic and inorganic amendments on salinity levels of Municipal Solid Waste Composts in Sri Lanka. Proceedings of the International Symposium on Agriculture and Environment (ISAE) 2019, Faculty of Agriculture, University of Ruhuna, Sri Lanka, ISSN: 1800-4830, Pp: 92.

 

H.I.G.S. Piyaruwan, D.A.L. Leelamanie 2018: Seasonal changes of soil water repellency in pine and eucalyptus forest soils in Up country Sri Lanka. 23rd International forestry and environment symposium, University of Sri Jayawardhanapura.

 

H.I.G.S. Piyaruwan, D.A.L. Leelamanie 2018: Influence of soil water repellency on initial infiltration rate and unsaturated hydraulic conductivity of an Ultisol under Pinus caribaea. International Research Symposium on Pure and Applied Sciences, University of Kelaniya.

 

H.I.G.S. Piyaruwan, D.A.L. Leelamanie 2018: Soil profile moisture distribution in relation to water repellency in an upcountry Eucalyptus plantation forest soil in Sri Lanka. 15th Academic Sessions, University of Ruhuna.

 

T.D.P. Liyanage, B.P.A.U. Nilupuli, D.A.L. Leelamanie 2018: Effects of moisture content on the hardness level measurements of the soil. Proceedings of the Wayamba University International Conference, Sri Lanka, ISBN: 978-955-7442-19-8, Pp: 325.

 

T.D.P. Liyanage, D.A.L. Leelamanie 2018: Relationship between crop yield and the aggregate stability of organic manure amended Red Yellow Podzolic soils. 15th Academic Sessions, University of Ruhuna, ISSN: 2362-0412, Pp: 49.

 

Piyaruwan HIGS., Leelamanie DAL 2018 Onsite moisture levels of soil profile in relation to water repellency in upcountry Eucalyptus plantation forest soils. 15th Academic Sessions, University of Ruhuna, March 07, 2018.

 

Rupasinghe ISU, Leelamanie DAL 2018 Effects of municipal and agriculture-based waste compost on crop yield response in low-country wet zone. 15th Academic Sessions, University of Ruhuna, March 07, 2018.

 

Piyaruwan HIGS., Leelamanie DAL 2017 Surface Water Entry and Water Retention of Soil in Relation to Water Repellency in Ohiya Eucalyptus Forest. 14th Academic Sessions, University of Ruhuna, March 01, 2017.

 

Rupasinghe ISU, Leelamanie DAL 2017 Tomato Seed Germination Index for Determining Phytotoxicity in Municipal Solid Waste Compost in Sri Lanka: Effects of pH and EC. 14th Academic Sessions, University of Ruhuna, March 01, 2017.

 

Liyanage TDP, Leelamanie DAL 2017 Effects of Organic Amendments and Subsequent Potential Water Repellent Conditions on Major Nutrient Dynamics in Soil. 14th Academic Sessions, University of Ruhuna, March 01, 2017.

 

T.D.P. Liyanage, D.A.L. Leelamanie 2018: Relationship between crop yield and the aggregate stability of organic manure amended Red Yellow Podzolic soils. 15th Academic Sessions, University of Ruhuna, ISSN: 2362-0412, Pp: 49.

 

Liyanage TDP, Leelamanie DAL 2017 Water repellent effects of organic amendments on saturated hydraulic conductivity of surface Ultisols. Proceedings of the International Symposium on Agriculture and Environment, Faculty of Agriculture, University of Ruhuna, January, 2017.

 

Leelamanie DAL, P.K.S.C. Jayasinghe 2016 Time Dependence of Soil-water contact angle in Pine and Eucalyptus forest soils in Sri Lanka. 3rd Kuala Lumpur International Agriculture, Forestry and Plantation Conference, Kuala Lumpur, Malaysia. May 21-22, 2016.

 

Leelamanie DAL, T.D.P. Liyanage, H.I.G.S. Piyaruwan 2015 Occurrence and Distribution of Water Repellency in soils under Exotic Plantation Forests in Sri Lanka. 13th Academic Sessions, University of Ruhuna, March 02, 2016.

 

Leelamanie DAL, T.D.P. Liyanage, I.M.L.V. Rajarathne 2015: Contrastive Evaluation of Laboratory Test Procedures used in Determining Organic Matter Content in Soils, 13th Academic Sessions, University of Ruhuna, March 02, 2016.

 

T.D.P. Liyanage, Leelamanie DAL 2015: Water Entry and Retention of Ultisols Treated with Low Energy Organic Manure, 13th Academic Sessions, University of Ruhuna, March 02, 2016.

 

Liyanage T.D.P., Leelamanie DAL, S.D. Wanniarachchi 2015: Soil Microbial Activity as Affected by the Soil-Water Contact Angles, 13th Academic Sessions, University of Ruhuna, March 02, 2016.

 

Rupasinghe ISU, Leelamanie DAL 2015: Distribution of Organic Matter among Particle Size Fractions of Municipal Solid Waste Compost (MSWC) in Sri Lanka, 13th Academic Sessions, University of Ruhuna, March 02, 2016.

Soil physics, Soil water repellency and wettability, Soil and water conservation