FULL NAME

Buddhi Charana Walpola

ADDRESS

HOME: ‘Sandagira’, Ihala Aturaliya, Akuressa

OFFICE: Department of Soil Science, Faculty of Agriculture, University of Ruhuna, Mapalana, Kamburupitiya, Sri Lanka.

NATIONALITY

Sri Lankan

LANGUAGE ABILITY

English , Sinhala (Mother tongue) , Korean

ACHIEVEMENTS

• Korean Government Scholarship awarded by the government of South Korea for persuading PhD Studies in South Korea-2010

• Scholarship awarded by the Asian Development Bank for persuading MSc Studies in University of Kelaniya-2000 Scholarship awarded by the Asian Development Bank for persuading MSc Studies in University of Kelaniya-2000

HIGHER EDUCATION

• Ph.D. degree in Soil Microbiology at Chungnam National University, South Korea in 2013.

• M.Sc. degree in Industrial and Environmental Chemistry at University of Kelaniya, Sri Lanka, in 2004.

• B.Sc. in Agriculture at Faculty of Agriculture, University of Ruhuna, Sri Lanka, in 2000.

PROFESSIONAL TRAINING

• Successfully completed twelve months intensive Korean Language course conducted by the Chungnam National University, S. Korea (2010/11).

• Successfully completed certificate course on ‘Project cycle management-participatory planning’ conducted by GIM Institute, Japan (2010).

• Successfully completed Intensive Japanese Language course conducted by Japan International Cooperation Agency and Northern Regions Center, Japan (2010).

• Successfully completed a training programme on Scientific Writing for Young Researchers in the Field of Agriculture, conducted by National Science Foundation of Sri Lanka – 2003, Peradeniya, Sri Lanka.

• Successfully completed the Certificate Course for Professional Development in Higher Education- 2003. University of Ruhuna, Sri Lanka.

• Successfully completed three-week training course of Tea plantation and manufacturing conducted by Mathurata Plantation Ltd Sri Lanka (1998).

• Successfully completed two-weeks training course of Farm Machinery Operation and Maintenance conducted by FMTC Sri Lanka (1998)

PROFESSIONAL EXPERIENCE

• Senior Lecturer in Soil Science (01 April 2007 to date).

• Lecturer in Soil Science (01 April 2002 to 01 April 2007).

• Graduate Student at College of Agriculture and Life Science, Chungnam National University, S. Korea (01.09.2010 to 23.08.2013 reading for Ph.D).

• Graduate Student at the Department of Chemistry, Faculty of Science, University of Kelaniya (19.05.2001 to 01.08.2004 reading for M.Sc).

• Research Assistant at the Department of Soil Science, Faculty of Agriculture, University of Ruhuna, (01.02.2001 to 30.01.2002).

SERVICE ON ACADEMIC RELATED BODIES

• Head – Department of Soil Science (10 September 2013 to date)

• Head – Department of Soil Science (31 May 2009 to 05 May 2010)

• Acting Head – Department of Soil Science (11 September 2006 to 10 March 2007)

• Student Counselor to the Faculty of Agriculture, University of Ruhuna from 01/01/2005 to 31/12/2005 and from 01/02/2003 to 30/04/2003.

• Academic Counselor to the Faculty of Agriculture, University of Ruhuna from May 2014 to April 2015 and April 2015 to date.

TRAINING FOR PROFESINAL ADVANCEMENT

• Course: Scientific Writing for Young Researchers in the Field of Agriculture- 2003. Peradeniya, Sri Lanka.

• Course: Certificate Course for Professional Development in Higher Education- 2003. University of Ruhuna, Sri Lanka.

PROFESSIONAL AFFLIATIONS/MEMBERSHIPS IN PEOFFESSIONAL BODIES

• Member of the Sri Lanka Association of the Advancement of Science (SLAAS).

• Member of the Soil Science Society of Sri Lanka (SSSL).

• Member of the Sri Lanka Organization of Agricultural Professionals (SLOAP).

• Member of the Senate of University of Ruhuna

• Member of the Faculty Board, Faculty of Agriculture, University of Ruhuna

EDITORIAL WORK

• Work as a member of the editorial board of the Journal of Tropical Agriculture Research and Extension of University of Ruhuna since August 2014

• Work as a member of the consulting editor of the South Indian journal of Biological Sciences (SIJBS) since June 2015

• Work as a member of the editorial board of the proceedings of the second national symposium- University of Ruhuna – 2009

• Work as a invited reviewer of the EurAsian Journal of BioSciences

• Work as a reviewer of the Ruhuna International Science and Technology Conference (RISTCON), Faculty of Science, University of Ruhuna

• Work as a reviewer of the Annual Academic Sessions of University of Ruhuna

• Worked as a reviewer of the National Symposium, Faculty of Agriculture, University of Ruhuna, in 2008 and 2009

• Work as a reviewer of the International Symposium on Agriculture and Environment (ISAE), Faculty of Agriculture, University of Ruhuna

BOOKS

Arunakumara K.K.I.U. and Walpola B.C. (2011). Organic Manure (in Sinhala). Godage International Publishers Pvt Ltd, Sri Lanka. 88 pages. ISBN 978-955-30-3361-1.

Walpola B.C. and Arunakumara K.K.I.U. (2011). Plant Nutrients (in Sinhala). Godage International Publishers Pvt Ltd, Sri Lanka. 104 pages. ISBN 978-955-3360-4.

Arunakumara K.K.I.U. and Walpola B.C. (2012). Banana Cultivation (in Sinhala). Godage International Publishers Pvt Ltd, Sri Lanka. 104 pages. ISBN 978-955-30-3368-0.

Arunakumara K.K.I.U. and Walpola B.C. (2012). Mango Cultivation (in Sinhala). Godage International Publishers Pvt Ltd, Sri Lanka. 76 pages. ISBN 978-955-30-3370-3.

Arunakumara K.K.I.U. and Walpola B.C. (2013). Avacado Cultivation (in Sinhala). Godage International Publishers Pvt Ltd, Sri Lanka. 71 pages.

BOOK CHAPTERS

Subasinghe S., Walpola B.C., Somaratne W.P.A.S., Kumara A.A, Martin L.D. and Liyanage M.De.S. (2005). In: After the Tsunami–Relief and Rehabilitation in Sri Lanka (Domroes M., Ed), Mosaic Books, New Delhi, pp. 170 -182.

PUBLISHED IN REFEREED JOURNALS

Walpola B.C. and Arunakumara K.K.I.U. (2015). Assessment of phosphate solubilization and indole acetic acid production in plant growth promoting bacteria isolated from green house soils of Gonju-gun, South Korea. Journal of Tropical Agricultural Research & Extension, 18(1): 31-39.

Arunakumara K.K.I.U., Walpola B.C. and Yoon M.H. (2015). 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, Biotechnology, Agronomy, Society and Environment (BASE). 19(2):143-152.

Walpola B.C., Arunakumara K.K.I.U., Jun-Seob Song, Chan-Jung Lee and Yoon M.H (2014). Mobilization of heavy metals in contaminated soils induced by Bioaugmentation of Shewanella xiamenensis HM 14. Korean Journal of Soil Science and Fertilizer, 47 (4):290-298.

Walpola B.C., Ah Young Kim, Ju Hyeon Jeon, and Yoon M.H. (2014). Application of immobilization technology in solubilization of rock phosphate. Korean Journal of Soil Science and Fertilizer, 47 (4):249-253.

Arunakumara K.K.I.U., Walpola B.C., Jun-Seob Song, Min-Jung Shin, Chan-Jung Lee and Yoon M.H. (2014). Phytoextraction of heavy metals induced by Bioaugmentation of a phosphate solubilizing bacteriam. Korean Journal of Environmental Agriculture, 33(3):155-164.

Walpola B.C., Arunakumara K.K.I.U. and Yoon M.H. (2014). Isolation and characterization of phosphate solubilizing bacteria ( Klebsiella oxytoca) with enhanced tolerance to environmental stress. African Journal of Microbiology research, 8(31): 2970-2978.

Arunakumara K.K.I.U., Walpola B.C. and Yoon M.H. (2013). Mass Multiplication of an Important Medicinal Plant Gymnema sylvestre R. Br.: A Review. International Journal of Medicinal Plants, 105:250-259.

Walpola B.C., Won-sik Kong and Yoon M.H. (2013). Solubilization of inorganic phosphates and plant growth promotion by pantoea strains . Korean Journal of Soil Science and Fertilizer, 46 (6):494-501.

Walpola B.C. and Yoon M.H. (2013). Phosphate solubilizing bacteria: Assessment of their effect on growth promotion and phosphorous uptake of green gram (Vigna radiata [L.] R. Wilczek). Chilean Journal of Agricultural Research, 73(3): 275-281.

Arunakumara K.K.I.U.., Walpola B.C., and Yoon M.H. (2013). Current Status of Heavy Metal Contamination in Asia’s Rice Lands – A review. Reviews in Environmental Science and Bio/Technology, 12: 355-377.

Arunakumara K.K.I.U., Walpola B.C., and Yoon M.H. (2013). Alleviation of Phyto-toxicity of Copper on Agricultural Plants – A review. Journal of Korean Society for Applied Biological Chemistry, 56: 505-517.

Arunakumara K.K.I.U., Walpola B.C., and Yoon M.H. (2013). Metabolism and degradation of glyphosate in aquatic cyanobacteria: A review. African Journal of Microbiology research, 7(32): 4084-4090.

Walpola B.C. and Yoon M.H. (2013). In vitro solubilization of inorganic phosphates by phosphate solubilizing microorganisms. African Journal of Microbiology research, 7(27): 3534-3541.

Arunakumara K.K.I.U., Walpola B.C., and Yoon M.H. (2013). Banana peel: A green solution for metal removal from contaminated waters – A review. Korean Journal of Environmental Agriculture, 32(2):108-116.

Walpola B.C., Mi-Jung Keum and Yoon M.H. (2013). Effect of fungicides on phosphate solubilization by Klebsiella oxytoca and Enterobacter ludwigii . Korean Journal of Soil Science and Fertilizer, 46 (2):112-116.

Walpola B.C., Hyo-Ju Jang and Yoon M.H. (2013). Synergistic phosphate solubilization by Burkholderia anthina and Aspergillus awamori. Korean Journal of Soil Science and Fertilizer, 46 (2):117-121.

Arunakumara K.K.I.U., Walpola B.C., and Yoon M.H. (2013). Agricultural methods for toxicity alleviation in metal contaminated soils – A review. Korean Journal of Soil Science and Fertilizer, 46(2):73-80.

Moon – Hyun Park, Walpola B.C, and Yoon M.H. (2013). Purification and characterization of protease enzyme from Burkholderia stabilis isolated from green house soils. African Journal of Biotechnology. 12(12),1408-1418.

Walpola B.C., and Yoon M.H. (2013). Isolation and characterization of phosphate solubilizing bacteria and their co-inoculation efficiency on tomato plant growth and phosphorous uptake. African Journal of Microbiology research, 7: 266-275.

Arunakumara K.K.I.U., Walpola B.C. and Yoon M.H. (2012). How do citrus crops cope with aluminum toxicity? – A review. Korean Journal of Soil Science and Fertilizer, 45(6): 928-935.

Arunakumara K.K.I.U., Walpola B.C. and Yoon M.H. (2012). Aluminum toxicity and tolerance mechanism in cereals and legumes – A review. Journal of Korean Society for Applied Biological Chemistry, 56: 1-9.

Walpola B.C., Mi-Jung Keum, and Yoon M.H. (2012). Influence of different pH conditions and phosphate sources on phosphate solubilization by Pantoea agglomerans DSM3493. Korean Journal of Soil Science and Fertilizer, 45(6): 998-1003.

June – Seob Song, Walpola B.C., Doung-Young Chung and Yoon M.H. (2012). Heavy metal resistant phosphate solubilizing bacteria. Korean Journal of Soil Science and Fertilizer, 45(5): 809-813.

Walpola B.C. and Yoon M.H. (2012). Prospectus of phosphate solubilizing microorganisms and phosphorous availability in agricultural soils: A review. African Journal of Microbiology research, 6: 6600-6605.

Walpola B.C., June – Seob Song, Mi-Jung Keum, and Yoon M.H. (2012). Evaluation of phosphate solubilizing potential of three Burkholderia species isolated from green house soils. Korean Journal of Soil Science and Fertilizer, 45(4): 602-609.

Walpola B.C. and Yoon M.H. (2012) Concentration dependent effect of heavy metals on soil carbon mineralization. Korean Journal of Soil Science and Fertilizer, 45(4): 551-554.

Walpola B.C., June – Seob Song, Kab-Yeul Jang, and Yoon M.H. (2012) . Stress induced phosphate solubilization by Aspergillus awamori bxq 33110 isolated from waste mushroom bed of Agaricus bisporus. Korean Journal of Soil Science and Fertilizer, 45(3): 428-434.

Moon–Hyun Park, Walpola B.C., Sun-Joong Kim, and Yoon M.H. (2012). Control effect of root-knot nematode (Meloidogyne incognita) by biological nematicide., Korean Journal of Soil Science and Fertilizer, 45(2): 162-168.

Walpola B.C., June–Seob Song, and Yoon M.H. (2012). Assessment of plant growth promoting activities of phosphorous solubilizing bacteria. Korean Journal of Soil Science and Fertilizer, 45(1): 66-73.

Walpola B.C. and Arunakumara K.K.I.U. (2011). Carbon and nitrogen mine ralization of a plant residue amended soil: The effect of salinity stress. Bangladesh Journal of Scientific and Industrial Research, 46(4): 565-572.

Walpola B.C., Arunakumara K.K.I.U. and Yoon M.H. (2011). Evaluation of nitrogen mineralization in soil polluted by Zinc and Cadmium. Korean Journal of Soil Science and Fertilizer,. 44(4): 559-564.

Arunakumara K.K.I.U., Walpola B.C., Subsinghe S., and Yoon M.H. (2011). Pterocarpus Santalinus Linn. f. (Rath handun): A review of its botany, uses, phytochemistry and pharmacology. Journal of Korean Society of Applied Biological Chemistry, 54(4): 495-500.

Walpola B.C., and Arunakumara K.K.I.U. (2010). Decomposition of gliricidia leaves: the effect of particle size of leaves & soil texture on carbon mineralization. Journal of Tropical Agricultural Research & Extension , 13(1): 19-23.

Walpola B.C. and Arunakumara K. K. I. U. (2010). Effect of salt stress on decomposition of organic matter and nitrogen mineralization in animal manure amended soils. The Journal of Agricultural Sciences, Sabaragamuwa University of Sri Lanka, 5(1): 9-18.

Walpola B.C. and Arunakumara K. K. I. U. (2009). Effect of particle size of gliricidia leaves and soil texture on N mineralization. Journal of Agricultural Sciences, 4(3): 122-130

Walpola B.C. and Wanniarachchi S.D. (2009). Microbial respiration and N mineralization in soil amended with different proportions of vermicompost and coir dust on. Bangladesh Journal of Agricultural Research, 34(4): 537-543.

Walpola B.C., Arunakumara K. K. I. U., Senanayake A. P. and Wanniarachchi S.D. (2009). Gliricidia leaves decomposition: the effect of particle size on microbial respiration. Bangladesh Journal of Agricultural Research, 34(3): 343-350.

Walpola B.C., Wanniarachchi S.D. and Liyanage J.A. (2007). Responses of the soil microbial biomass carbon to the herbicides propanil and glyphosate. Journal of Agricultural Sciences, 3(3): 122-130.

PUBLISHED AS FULL PAPERS IN PROCEEDINGS OF CONFERENCES, SYMPOSIA ETC.

Walpola B.C. and Min-Ho Yoon (2014). Siderophore production by phosphate solubilizing bacteria isolated from heavy metal contaminated soils. Proceedings of the International Symposium on Agriculture and Environment, Faculty of Agriculture, University of Ruhuna, p.193-195.

De Silva M.A.S.D., Guneratne G.P and Walpola B.C. (2013). Effect of foliar application of amino acid formulations on crop productivity of tea. Proceedings of the International Symposium on Agriculture and Environment (Student Session), Faculty of Agriculture, University of Ruhuna, p. 29.

Walpola B.C., Wanniarachchi S.D., Arunakumara K.K.I.U. and Wickramasinghe U. (2006). Soil development in a human impacted land following the Nilwala Project . Proceedings of the Fourth Academic Sessions, University of Ruhuna, pp. 187-1 91.

Walpola B.C., Somaratne W.P.A.S., Subasinghe S., Liyanage M.De.S., Martin L.D. and Kumara A.A. (2005). Studies on soil properties of tsunami affected areas in Southern Sri Lanka. Proceedings of the Third Academic Sessions, University of Ruhuna, pp. 246-250.

Walpola B.C., Wanniarachchi S.D. and Liyanage J.A. (2004). Effect of glyphosate on soil nitrogen mineralization. Proceedings of the Seco nd Academic Sessions, University of Ruhuna, pp. 187-191.

Walpola B.C., Wanniarachchi S.D. and Liyanage J.A. (2004). Influence of propanil and glyphosate on soil microbial activity. Proceedings of the Second Academic Sessions, University of Ruhuna, pp. 20-26.

Walpola B.C., Zoysa A.K.N. and Wanniarachchi S.D. (2003). Dissolution of Eppawala Phosphate Rock in low country Ultisols as influenced by rate and method of application. Proceedings of the First Academic Sessions, University of Ruhuna, pp.19-22.

PUBLISHED AS ABSTRACTS IN PROCEEDINGS OF CONFERENCES, SYMPOSIA ETC.

Walpola B.C. and Arunakumara K.K.I.U. (2015). Isolation and evaluation of extracellular protease producing bacteria. Proceeding of the 12th Academic Session, University of Ruhuna, p. 121.

Nisansala H.K.S., Kodithuwakku R.D. and Walpola B.C. (2015). Effect of Trichoderma species on nutrient absorption and growth rate of black pepper (Piper nigrum L.). Proceedings of the International Symposium on Agriculture and Environment (Student Session), Faculty of Agriculture, University of Ruhuna, p. 13.

Walpola B.C. and Rajarathna L.V. (2015). Antibiotic resistance phosphate solubilizing bacteria. Proceedings of the International Symposium-Environment Management and Planning, Central Environmental Authority, Sri Lanka P. 54.

Walpola B.C. and Arunakumara K.K.I.U. (2015). Organic acid production and phosphate solubilization by phosphate solubilizing bacteria isolated from green house soils in South korea. Proceedings of 2nd Ruhuna International Science and Technology Conference, P. 80.

Walpola B.C. and Arunakumara K.K.I.U. (2015). Isolation and characterization of phosphate solubilizing bacteria from the rhizosphere of tomato plants. Proceedings of the International conference on postcolonial societies in transition. Faculty of Humanities and Social Sciences, University of Ruhuna. P.83.

Walpola B.C. and Rajarathna L.V. (2014). Phosphate solubilization by Klebsiella oxytoca under heavy metal stress. Proceedings of the nineteenth International Forestry and Environment Symposium, Sri Jayawardenepura University, P. 136.

Walpola B.C. and Min-Ho Yoon (2013). Optimization of indole-3-acetic acid production by phosphate solubilizing bacteria aimed at improving plant growth. Proceedings of the 4th joint symposium between Chungnam National University and Shenyang Agricultural University. May 20-23. Daejeon, South Korea, p.20.

Walpola B.C. and Min-Ho Yoon (2012). Co-inoculation of phosphate solubilizing bacteria and their effect on growth of tomato plants. Proceedings of the International symposium on Agriculture, Food and Environment and Life Science in Asia 2012. November 7-8. Daejeon, South Korea, p.53.

Walpola B.C. and Min-Ho Yoon (2012). Stress induced phosphate solubilization by fungi Aspergillus awamori bxq33110 isolated from green house soils in South Korea. Proceedings of the 3rd joint symposium between Chungnam National University and Shenyang Agricultural University. May 22-25. Shenyang, China, p.112.

Walpola B.C. and Min-Ho Yoon (2012). An assessment on plant growth promoting activities of phosphorus solubilizing bacteria. Proceedings of the 3rd joint symposium between Chungnam National University and Shenyang Agricultural University. May 22-25. Shenyang, China, p.104.

Walpola B.C., June-Seob Song, Mi-Jung Keum, and Min-Ho Yoon (2012). An assessment on phosphate solubilization by Burkholderia anthina R-4183 under different pH regimes. Proceedings of the International symposium and annual meeting of the Korean Society of Applied Biological Chemistry (KSABC). November 8-10, 2012. Gwangju, South Korea, p.190.

Walpola B.C. and Min-Ho Yoon (2011). Concentration dependent effect of heavy metals on soil carbon mineralization. Proceedings of the International symposium and annual meeting of the Korean Society of Applied Biological Chemistry (KSABC). April 15. Seoul, South Korea, p.103.

Wimalasena P.K.S.E., Priyadarshani S.H.R. and Walpola B.C. (2011). Influence of heavy metals on nitrogen mineralization of agricultural soils. Proceeding of the Eight Academic Session, University of Ruhuna, p. 183.

Sooriarachchi T.P., Madushika S.A.C., Priyadarshani S.H.R. and Walpola B.C. (2010). Effect of applied concentration of tea waste on soil carbon mineralization. Proceedings of the International Symposium, Faculty of Agriculture, University of Ruhuna, p. 18.

Wimalasena P.K.S.E., Walpola B.C. and Priyadarshani S.H.R. (2010). Effect of heavy metals on soil microbial activity as measured by carbon mineralization. Proceedings of the International Symposium, Faculty of Agriculture, University of Ruhuna, p. 99.

Ranathungamage P.C.K., Gunaratne G.P. and Walpola B.C. (2010). Characterization of bench-marked soil series in the tea growing areas of Sri Lanka, in relation to Potassium (K) dynamics. Proceedings of the International Symposium, Faculty of Agriculture, University of Ruhuna, P. 144.

Walpola B.C., Piyadharshani S.H.R. and Arunakumara K.K.I.U. (2009). Mineralization of inorganic nitrogen in saline soils enriched with plant residue. Proceedings of the 2nd National Symposium, Faculty of Agriculture, University of Ruhuna, P. 21.

Walpola B. C., Wimalasena S. E. and Jeewani N. (2009). Effects of nitrogen and phosphorous fertilizer on rice straw decomposition. Proceedings of the Fourteenth International Forestry and Environment Symposium, Sri Jayawardenepura University, P. 85-86.

Walpola B.C., Pitigala P. K. U. and Priyangi W. A. A. (2008). Effect of particle size and soil texture on soil carbon mineralization. Proceedings of the 64th Annual Sessions of the Sri Lanka Association for the Advancement of Science, P. 52.

Walpola B.C., Priyangi W. A. A. and Pitigala P. K. U. (2008). Effect of particle size and soil texture on soil nitrogen mineralization. Proceedings of the 64th Annual Sessions of the Sri Lanka Association for the Advancement of Science, P. 263.

Walpola B. C., Priyangi W.A.A., Pitigala P.K.U., Piyadharshani S.H.R. and Wanniarachchi S.D. (2008). Nitrogen mineralization under saline conditions. Proceedings of the 1st National Symposium, Faculty of Agriculture, University of Ruhuna, P. 98.

Piyadharshani S.H.R., Walpola B.C. and Wanniarachchi S.D. (2008). Soil quality parameters of tsunami affected soils in Madiha area, Matara District, Southern Sri Lanka. Proceedings of the 1st National Symposium, Faculty of Agriculture, University of Ruhuna, P. 99.

Walpola B.C., Pitigala P.K.U., Priyangi W.A.A. and Wanniarachchi S.D. (2008). Carbon mineralization under saline conditions. Proceedings of the 1st National Symposium, Faculty of Agriculture, University of Ruhuna, P. 104.

Thamali R Dissanayake, Arunakumara K.K.I.U. and Walpola B.C. (2008). Seed germination and early seedling growth of Brinjal (Solanum melongena) as affected by heavy metals. Proceedings of the Thirteenth International Forestry and Environment Symposium, Sri Jayawardenepura University, P. 02.

Walpola B.C., Piyadharshani S.H.R. and Arunakumara K.K.I.U. (2008). Influence of soil salinity on carbon mineralization in a plant residue-amended soil. Proceedings of the Thirteenth International Forestry and Environment Symposium, Sri Jayawardenepura University, P. 07.

Walpola B.C., Yapa T.S.D. and Wanniarachchi S.D. (2007). Effect of different mixtures of vermicompost and coir dust on soil microbial activity. Proceedings of the 63rd Annual Sessions of the Sri Lanka Association for the Advancement of Science, P. 26.

Wanniarachchi S.D., Walpola B.C. and Senanayake A.P. (2007). Mineralization and release of inorganic nitrogen in soils amended with animal manure. Proceedings of the 63rd Annual Sessions of the Sri Lanka Association for the Advancement of Science, P. 73.

Walpola B.C., Piyadharshani B.W.N. and Wanniarachchi S.D. (2007). N mineralization of soil as affected by different mixtures of vermicompost and coir dust. Proceedings of the 63rd Annual Sessions of the Sri Lanka Association for the Advancement of Science, P. 187-188.

Walpola B.C., Piyadharshani B.W.N., Yapa T.S.D. and Wanniarachchi S.D. (2007). Effect of different mixtures of vermicompost and coir dust on soil fertility. Proceedings of the Twelfth Forestry and Environment Symposium, Sri Jayawardenepura University, P. 49.

Arunakumara K.K.I.U., Subasinghe S., Walpola B.C., Amarasinghe M.K.T. K., Palihakkara I. and Kumarasinghe H.K.M.S. (2008). Development of home gardens at tsunami affected Madiha, Southern Sri Lanka. Proceedings of the 1st conference of the CIDA restore project, P. 1.

Walpola B.C., Senanayake A.P. and Wanniarachchi S.D. (2007). Carbon mineralization of Gliricidia leaves as affected by particle size. Proceedings of the 2nd International symposium, Sabaragamuwa University of Sri Lanka, P. 78.

Arunakumara K.K.I.U., Wickramasinghe U., Subasinghe S. and Walpola B.C. (2006). Effects of hormone on the rooting of semi hard wood, double-nodal leafy stem cuttings of Gymnema sylvestre. Proceedings of the 62nd Annual Sessions of the Sri Lanka Association for the Advancement of Science, P. 16.

Walpola B.C., Wanniarachchi S.D. and Liyanage J.A. (2006). Influence of the herbicide glyphosate on soil microbial biomass as affected by the rate of application. Proceedings of the 62nd Annual Sessions of the Sri Lanka Association for the Advancement of Science, P. 30.

Arunakumara K.K.I.U., Wickramasinghe U., Walpola B.C. and Subasinghe S. (2006). The effect of number of leaves and length of cutting on rooting of masbedda (Gymnema sylvestre) cuttings. Proceedings of the 62nd Annual Sessions of the Sri Lanka Association for the Advancement of Science, P. 170.

Walpola B.C., Wanniarachchi S.D. and Liyanage J.A. (2006). Influence of the herbicide propanil on soil microbial biomass as affected by the rate of application. Proceedings of the 62nd Annual Sessions of the Sri Lanka Association for the Advancement of Science, P. 178.

Arunakumara K.K.I.U., Wickramasinghe U., Walpola B.C. and Subasinghe S. (2006). Effect of physiological stage on rooting of Masbedda (Gymnema sylvestre) cuttings. Proceedings of the eleventh Forestry and Environment Symposium, Sri Jayawardenepura University, P. 27.

Arunakumara K.K.I.U., Wickramasinghe U. and Walpola B.C. (2006). Studies on the vegetation of a site influenced by the Nilwala Project. Proceedings of the Fourth Academic Sessions, University of Ruhuna, P. 33.

Arunakumara K.K.I.U., Wickramasinghe U., Walpola B.C. and Subasinghe S. (2006). Effect of media and moisture on rooting of Gymnema sylvestre stem cuttings. Proceedings of the Fourth Academic Sessions, University of Ruhuna, P. 33.

Walpola B.C., Somaratne A., Subasinghe S., Kumara A.A., Liyanage M.De.S., Senaratne R. and Martin L.D. (2005). Soil organic matter and wet aggregate stability in tsunami affected soils in Hambantota District, Southern Sri Lanka. Proceedings of the tenth Forestry and Environment Symposium, Sri Jayawardenepura University, P. 27.

Arunakumara K.K.I.U., Wickramasinghe U., Walpola B.C. and Subasinghe S. (2005). An assessment on natural regeneration of Gymnema sylvestre, a rare medicinal plant. Proceedings of the tenth Forestry and Environment Symposium, Sri Jayawardenepura University, P. 59.

Arunakumara K.K.I.U., Wickramasinghe U., Subasinghe S. and Walpola B.C. (2005). An assessment on Rath handun (Pterocarpus santalinus Linn.f.) population in some areas in Matara district, Southern Sri Lanka. Proceedings of the 61st Annual Sessions of the Sri Lanka Association for the Advancement of Science, P. 106.

Walpola B.C. and Wanniarachchi S.D. (2005). Organic matter and nutrient status of some selected tea growing soils in the Matara District. Proceedings of the 61st Annual Sessions of the Sri Lanka Association for the Advancement of Science, P. 108.

Arunakumara K.K.I.U., Wickramasinghe U., Senaratne R. and Walpola B.C. (2005). Dry matter accumulation of three selected salt tolerant plant species as influenced by the method of establishment. Proceedings of the 61st Annual Sessions of the Sri Lanka Association for the Advancement of Science, P. 108.

Walpola B.C., Wanniarachchi S.D. and Liyanage J.A. (2005). Influence of propanil on soil nitrogen mineralization as affected by the rate of application. Proceedings of the 61st Annual Sessions of the Sri Lanka Association for the Advancement of Science, P. 109.

Walpola B.C. and Wanniarachchi S.D. (2004). Soil organic matter and nutrient status of some vegetable growing soils in Matara district. Proceedings of the ninth Forestry and Environment Symposium, Sri Jayawardenepura University, P. 12.

Walpola B.C., Zoysa A.K.N. and Wanniarachchi S.D. (2003). Forms of Phosphorus in soils fertilized with Eppawala Rock Phosphate as measured by chemical fractionation. Proceedings of the 59th Annual Sessions of the Sri Lanka Association for the Advancement of Science, P. 109.