• Rapid Detection of Soil Organic Carbon Using Shortwave Near Infrared (SW-NIR) Spectroscopy
• Wastewater Treatment Sludge as a Potting Media Component with Coir Dust for Ornamental Plant Tagetes patula (Antigua Yellow) and Leafy Vegetable Ipomoea acquatica (L)
• Evaluation of naturally available plant materials as amendments to neutralize alkaline potting media
• Evaluation of the Arduino micro controller based drip irrigation system
• Effects of Colour and Intensity of Lights on Growth and Development of Lettuce (Lactuca sativa) in Vertical Tower Aeroponics for Home Gardening
• Assessment of Sugarcane Growth and Development Parameters using Vegetation Indices Derived From UAV-based Imagery
• Assessment of Optimal Flight Time and Altitude Using Unmanned Aerial Vehicles Based RGB Images for Crop Monitoring in Sri Lanka
• Development of UAV based Crop Monitoring and Management System for Sugarcane Cultivation
• A Study on the Comparative Assessment of the Operational Parameters and Spray Quality of Agricultural Drones and Knapsack Sprayers

Sahan, P.H.D.J., Ruwanpathirana, P.P., Bandara, W.B.M.A.C. & Jayasinghe, G.Y., Wastewater Treatment Sludge as a Potting Media Component with Coir Dust for Ornamental Plant Tagetes patula (Antigua Yellow) and Leafy Vegetable Ipomoea acquatica (L). (2017) International Symposium on Agriculture and Environment, Faculty of Agriculture, University of Ruhuna, Sri Lanka.

Lipitha M, Wijekoon WMCJ, Kumarasinghe HKMS, *Ruwanpathirana PP and Jayasinghe GY., Evaluation of naturally available plant materials as amendments to neutralize alkaline potting media (2018), Proceedings of the Wayamba University International Conference, Sri Lanka, 24-25 August 2018.

Ruwanpathirana, P.P., Jayasinghe, G.Y., Rathnapriya, R.H.K. & Bandara, W.B.M.A.C., A Text Book on Acid Sulfate Soils; It’s Distribution and Management. S. Godage & Brothers (Pvt) Ltd. (2018), S. Godage & Brothers (Pvt) Ltd, First edition.

Drip Irrigation Training Manual (2017), reference material by the University of Jaffna and University of Ruhuna in preparing handouts for training farmers and extension personnel under the ONUR funded drip irrigation project.

Ruwanpathirana, P., Samaraweera, M.D.S., Madushanka, P.L.A., Jayasinghe, G.Y., Wijekoon, W.M.C.J., Priyankara, A.C.P. and Kazuhitho, S. (2021). Assessment of Sugarcane Growth and Development Parameters using Vegetation Indices Derived From UAV-based Imagery. 8th International Conference of Sabaragamuwa University of Sri Lanka (ICSUSL2021), pp-91.

Ruwanpathirana, P. P., Madushanka, P. L. A., Jayasinghe, G. Y., Wijekoon, W. M. C. J., Priyankara, A. C. P., & Kazuhitho, S. (2021). Assessment of Optimal Flight Time and Altitude Using Unmanned Aerial Vehicles Based RGB Images for Crop Monitoring in Sri Lanka. The 8th International Conference on Agriculture 2021 (AGRICO 2021), pp-10.

P.H.D.J., Ruwanpathirana, P.P., Bandara, W.B.M.A.C. & Jayasinghe, G.Y., Wastewater Treatment Sludge as a Potting Media Component with Coir Dust for Ornamental Plant Tagetes patula (Antigua Yellow) and Leafy Vegetable Ipomoea acquatica (L). (2017) International Symposium on Agriculture and Environment, Faculty of Agriculture, University of Ruhuna, Sri Lanka.

Lipitha M, Wijekoon WMCJ, Kumarasinghe HKMS, *Ruwanpathirana PP and Jayasinghe GY., Evaluation of naturally available plant materials as amendments to neutralize alkaline potting media (2018), Proceedings of the Wayamba University International Conference, Sri Lanka, 24-25 August 2018.