1. Soil Science Society of America

2. Sri Lanka Association of the Advancement of the Science (SLAAS), Section B: Agriculture and Forestry-Life member

3. Young Scientist Forum, National Science and Technology Commission-Life member

• Soil and environmental chemistry
• Plant physiology
• Plant biochemistry
• Soil microbiology

Journal publication

Thamilini J., Wekumbura  C., Mohotti A.J., Kumara A.P., Kudagammana S.T.,  Silva D.R.R., and Frossard E., (2019). Organized Homegardens Contribute to Micronutrient Intakes and Dietary Diversity of Rural Households in Sri Lanka. Front. Sustain. Food Syst., https://doi.org/10.3389/fsufs.2019.00094

Kularathne T.M., Sivashankar P. and Wekumbura W.G.C., (2019). Measuring the Success of Women-Led “Dry Zone Home Gardening” Program with Organic Amendments in Sri Lanka. Agricultural Socio-Economics Journal 19 (3), 191-203

Dissanayake P.K., Wekumbura W.G.C., Wijeratne A.W., Dissanayake M.L.M.C. and Wijesundara D.S.A., (2019). Diversity of Fruit Morphology and Taste Parameters of Naturally Available Syzigium Cumini Trees in Baticaloa Region of Sri Lanka. International Journal of Agriculture, Forestry and Plantation, 8:1-8. ISSN 2462-1757   

Rathnayake S., Dharmathilaka P., Warnajith D., Wekumbura C. and Siriwardena, S. (2017). Raw Rubber and Mechanical Properties of Smoked Sheet Rubber Made Out of Ammonia Preserved Natural Rubber Latex. Sri Lanka Journal of Food and Agriculture, Sri Lanka Council for Agricultural Research Policy (SLCARP) Vol.3 (1): 9-18

Wekumbura W.G.C. Mohotti A.J., Frossard E., Kudagammana S.T. and Silva K.D.R.R. (2018). Prospects and Issues Related to Tea Cultivation in Mid Country Homegarden Based Tea     Smallholdings in a Selected Village in Sri Lanka. Tropical Agricultural Research. Vol 28 (4): 503-516

Wekumbura W.G.C., Mohotti A.J, Vidhana Arachchi L.P. and Mohotti K.M. (2010). Comparison of Assimilate Partitioning in Organically and Conventionally Grown Tea. Journal of Agricultural Sciences. Vol 5(1): 31-42

Abstract presentation

Chandima Wekumbura, Ganga M. Hettiarachchi, William Hargrove and Christina Sobin (2021)., Superior reduction of soil lead bioaccessibility via phosphorus source and rate selection, K-State research, arts, and discovery forum (K-Grad 2021). Kansas State University, Manhattan, KS, USA.

Chandima Wekumbura, Ganga M. Hettiarachchi, William Hargrove and Christina Sobin (2020)., Source and Rate of Inorganic and Organic P, and Time Influence on Bioaccessible Pb in Contaminated Soils from El-Paso, Texas. ASA-CSSA-SSSA International Annual Meeting, November  2020, Virtual. Soil Science Society of America, USA

Chathuranga HN, Senanayaka FR and Wekumbura WGC.,(2018) 
Study of plant biodiversity of first analog forest in Sri Lanka, 3rd International Research Symposium  (WINC2018) of Wayamba University of Sri Lanka -p 120

Rathnayake R.M.J.C., Bandara K.M.A. and Wekumbura W.G.C., (2018) 
Genatic Variation of Growth and Reproductive Parameters of Jatropha curcas in a Progeny Trail at Anapallama (IM2) in Sri Lanka, 2nd International Research Symposium  (IRSUWU2018) of Uwa Wellassa University of Sri Lanka -p 237

Sugathapala D.H.D.M., Dissanayake P.K., and Wekumbura W.G.C., (2018)
Effect of Coloured Cellophane Shading on Seed Germination, Plant Growth and Fruit Quality Characteristics of Tomato (Solonum lycopersicum L.) 2nd International Research Symposium  (IRSUWU2018) of Uwa Wellassa University of Sri Lanka. p 10

Wekumbura W.G.C., Mohotti A.J., Frossard E., Kudagammana S.T. and Silva K.D.R.R. Food (2017)     
Cash Crop Diversity of Mid Country Homegardens with Special Reference to Nawalapitya, Sri Lanka.6th International Symposium of Sabaragamuwa University of Sri Lanka (ICSUSL) - p 45

Ranasinghe P., Dissanayake P.K., Wimalasiri E. M., Elamaldeniya L.M.P.R., Wekumbura W.G.C,.(2017) 
Evaluation of Antioxidant Properties of Six Underutilized Edible Wild Fruits in Sri Lanka. 6th International Symposium of Sabaragamuwa University of Sri Lanka (ICSUSL) -2017 p 47

Wekumbura W.G.C. Mohotti A.J., Frossard E., Kudagammana S.T.and Silva K.D.R.R. (2016)
Prospects and Issues Related to Tea Cultivation in Mid Country Homegarden Based Tea Smallholdings in a     Selected Village in Sri Lanka. 28th Annual Congress of the PGIA p 49

Kumara R.M.I., Wekumbura W.G.C. and Sivashankar P. (2015)
Level of Awareness and Constraints to Adopt New Technologies Determining the Retention of Farmers in Sugarcane Cultivation
Peradeniya University International Research Sessions 2015 Vol. 19; p.390

Wekumbura W.G.C., Mohotti A.J., Frossard E., Kudagammana S.T.and Silva K.D.R.R. (2015)
Species Richness of Some Selected Well Managed and Standard Home Gardens in Nawalapitiya Area, Sri Lanka.2nd International Conference on Agriculture and Forestry 2015 p. 02

Wijesekara W.M.A.U.K.M. and Wekumbura W.G.C. (2014)
Weeds are Creeping back to the Human Diet to Enhance Food and Nutritional Diversity. International Symposium on Biodiversity, Food and Dietary Diversity 2014

Wekumbura W.G.C., Mohotti A.J, Vidhana Arachchi L.P. and Mohotti K.M (2009)
Comparison of Assimilate Partitioning in Organically and Conventionally Grown Tea.First National Symposium on Natural Resources Management. p.23

Mohotti A.J., Wekumbura W.G.C., Damayanthi N. and Mohotti K.M.  (2008)
Comparison of dry matter and nutrient partitioning in organically and conventionally grown tea. 13th international forestry and environment symposium.p.16