Our Research

The team in the Advanced Post-Harvest Technology addresses the gap in post-harvest handling and storage of produce and grains. They are developing postharvest engineering solutions using advancements in sensing, automation, IoT, cloud computing, artificial intelligence (AI), machine vision, hyperspectral imaging and mathematical modeling.

News & Stories

July 29, 2021

Alberta colleges and polytechnics create Agriculture and Food Research Collaborative

July 27, 2021

Lethbridge College receives over $1.3 million in federal research funding

June 3, 2021

Lethbridge College launches Bachelor of Agriculture Science program

June 1, 2021

New Lethbridge College research project to develop improved grain drying strategies

May 20, 2021

Sugar beet research receives Alberta Innovates funds

April 28, 2021

Lethbridge College, Olds College sign agriculture research MOU

December 15, 2020

Lethbridge College named one of Canada’s fastest-growing research colleges

October 15, 2020

Alberta Agriculture and Forestry helps grow research at Lethbridge College

May 20, 2020

Lethbridge College receives federal funding to create Technology Access Centre

Meet Our People


Chandra Singh, PHD

Applied Research Chair - Agricultural Engineering and Technology, Applied Research

Dr. Chandra Singh is Applied Research Chair in Agricultural Engineering and Technology at the Lethbridge College in Alberta, Canada. He conducts research on postharvest storage and handling of grains, sugar beets and potatoes, natural air drying, aeration, mathematical modelling, sensing, automation, machine learning, and non-destructive quality evaluation of agri-food products using NIR hyperspectral imaging.

Prior to joining Lethbridge College, he was Associate Professor of Stored Grains Facilities at the University of South Australia. Earlier he worked as a Principal Engineer-Grain Management with a Calgary-based world-leading advanced grain management technology company. Dr. Singh obtained his Ph.D. in Biosystems Engineering from the University of Manitoba. He completed his masters in Postharvest Engineering from IIT Kharagpur and bachelor in Agricultural Engineering from G.B Pant University of Agriculture & Technology, Pantnagar, India.

Phone: 403-320-3202 Ext. 5314
Email: Chandra.singh@lethbridgecollege.ca


Kshanaprava Dhalsamant

Postdoctoral Fellow

Dr. Kshanaprava Dhalsamant has specialized in Food Process Engineering and has published several research papers in refereed international journals. Her mainstream research is based on post-harvest processing of food materials including drying, storage, material handling and packaging. Currently, she is working as a postdoctoral fellow at the Centre for Applied Research, Innovation and Entrepreneurship (CARIE), Lethbridge College, Alberta, Canada.

Dr. Dhalsamant belongs to the eastern Indian state, Odisha, and completed her undergraduate degree in Agricultural Engineering and postgraduate degree in Processing and Food Engineering from Orissa University of Agriculture and Technology (OUAT), Odisha, India. Her postgraduate research was based on shelf life extension of paddy straw mushroom (Volvariella volvacea) using Modified Atmosphere Packaging (MAP). She has completed her Ph.D. from the Indian Institute of Technology (IIT) Kharagpur, India. Her doctoral research was focused on finite element modeling of transport processes during mixed-mode type solar drying of cylindrical shaped potato including the effect of shrinkage. Before her postdoctoral research, she had an industrial working experience of one year for researching herbal medicinal supplements for human health.

Email: kshanaprava.dhalsamant@lethbridgecollege.ca


Brajesh Panda

Postdoctoral Fellow

Dr. Panda has received his Bachelor (of Technology) degree in Agricultural Engineering and Master (of Technology) degree in Food Process Engineering. He has awarded Ph.D. from IIT Kharagpur, India in the field of mechanization in postharvest processing of paddy. He has worked as an academic researcher in University of South Australia on projects dealing with processing of table olive and non-destructive quality estimation of tree nuts. By far he has published more than 15 research articles in high impact International journals. He is a member of Institute of Food Technologists, USA and has presented his research work in multiple national and international conferences. Currently, he is serving as a post-doctoral fellow in Lethbridge College, Alberta, Canada.


Senthilkumar Thiruppathi

Research Associate

Dr. Senthilkumar Thiruppathi was educated at the Tamil Nadu Agricultural University, India and at the University of Manitoba, Winnipeg and is currently working as a Research Scientist on Dr. Chandra Singh’s research team at Lethbridge college, Alberta. Before joining the Lethbridge college, Dr. Senthilkumar worked as a Research Scientist at Matrix Spec Solutions, Montreal for three years and as a Post-Doctoral Fellow at University of Manitoba for 1.5 years. His earlier work focused on using NIR hyperspectral imaging and machine learning techniques to detect fertility and gender in chicken eggs; marbling in pork loins; and mycotoxins and fungal infection in food grains. Dr. Thiruppathi is now focusing on establishing food quality imaging lab, creating protocols for using NIR hyperspectral imaging system to detect quality parameters associated with potatoes and sugar beets. He is involved in many industry collaborated projects with focus on safe storage of food grains and sugar beets.

Email: s.thiruppathi@lethbridgecollege.ca


Shubham Panigrahi

Research Associate

Dr. Shubham Subrot Panigrahi is a Research Associate at Lethbridge College with a demonstrated history of working in the research industry and academic institutions. He is currently working on projects engaged in applied stored grain research to automate the management process for farmer’s user-friendliness and provide energy efficient protocols.  He received his doctorate degree from University of South Australia with a primary focus on improvising on-farm stored grain facilities using modeling strategies and received the 3MT People’s Choice award for his thesis. Prior to the current position, he was a manufacturing engineer at Brightlight Agribusiness, Australia focusing on the management of stored almonds and processing on-farm. Shubham has an expertise in mathematical modelling of stored grain ecosystem to provide new knowledge on biotic and abiotic interactions and skilled in developing codes circulating biological products.

Shubham has completed his bachelor’s degree from National Institute of Technology, Rourkela with a major in food process engineering. During his 4-year tenure, he has worked in Department of Science and Technology funded project to develop processing equipment for forest produce. He also has a demonstrated research experience in nanotechnology and its implications in food beverages. Besides, he has received scholarships from the Commonwealth of Australia for his Ph.D. and Prime Minister Scholarship during his 4-year bachelor’s degree.

Current Projects

Advanced Postharvest Innovation program

Dr. Chandra Singh joined the college’s Centre for Applied Research, Innovation and Entrepreneurship (CARIE) as its first applied research chair in Agricultural Engineering and Technology in the summer of 2019. Dr. Singh’s work will include the creation of an Advanced Postharvest Innovation program. The program will be dedicated to building partnerships with the agriculture industry and researching new ways to handle and store crops after harvest in order to minimize postharvest losses.

  1. Developing on-farm grain drying strategies for optimum quality and energy efficiency
    Funding Partners: Alberta Wheat Commission (AWC), Results Driven Agricultural Research (RDAR), Alberta Innovates (AI), Canadian Agricultural Partnership (CAP, and Saskatchewan Wheat Development Commission (SWDC)
  2. Development of wireless monitoring and automated aeration control system for storing sugar beets in outdoor piles
    Funding Partners: Alberta Innovates, OPIsystems Inc., Lantic Inc. (Rogers Sugar), Alberta Sugar Beet Growers
  3. Regional potato variety trials in Alberta
    Funding Partners: Canadian Horticulture Council (CHC), Agriculture and Agri-Food Canada (AAFC), Little Potato Company, Alberta Potato Industry
  4. Developing artificial intelligence (AI) based grain management system for long term safe storage
    Funding Partners: OPIsystems Inc. and Protein Industries Canada (PIC)
  5. Quality inspection of agri-food products using near-infrared (NIR) hyperspectral imaging
    Funding Partner: NSERC (Applied Research Tools and Instruments (ARTI) Grants).
  6. Smart in‐bin grain storage and management system for optimum quality
    Funding Partner: Alberta Innovates 
  7. Storage and handling of damaged potato crops (Lead by AAFC Lethbridge in collaboration with Lethbridge College and University of Lethbridge)
    Funder: Results Driven Agricultural Research (RDAR)


Past Projects

Details to come.



  1. Panigrahi, S.S., C.B. Singh, and J. Fielke. 2020. CFD modelling of physical velocity and anisotropic resistance components in a peaked stored grain with aeration ducting systems. Computer and Electronics in Agriculture (https://doi.org/10.1016/j.compag.2020.105820).
  2. Nourmohamadi-Moghadami, A., D. Zare, D, C.B. Singh, and R.L. Stroshine. 2020. Filling of a grain silo. Part 1: investigation of fine material distribution in a small scale centre-filled silo. Biosystems Engineering 191: 145-156.
  3. Chandrasekaran, I., S.S. Panigrahi, L. Ravikanth, and C.B. Singh. 2019. Potential of near-infrared (NIR) spectroscopy and hyperspectral imaging for quality and safety assessment of fruits: An overview. Food Analytical Methods 12: 2438-2458.
  4. Panigrahi, S.S., C.B. Singh, D. Zare, and J. Fielke. 2019. Modeling of heat and mass transfer within the grain storage ecosystem using numerical methods: A review. Drying Technology (https://doi.org/10.1080/07373937.2019.1656643).
  5. Nosrati, M., D. Zare, C.B. Singh, and R.L. Stroshine. 2019. New approach in determination of moisture diffusivity for rough rice components in combined far-infrared drying by finite element method. Drying Technology (https://doi.org/10.1080/07373937.2019.1658203).
  6. Ramalingam, S., R. Chand, C.B. Singh, and A. Singh. 2019. Phosphorene-gold nanocomposite based microfluidic aptasensor for the detection of okadaic acid. Biosensors and Bioelectronics 135: 14-21.
  7. Singh, C.B., and J. Fielke. 2017. Recent developments in stored grain sensors, monitoring and management technology. IEEE Instrumentation & Measurement Magazine 20(3): 32-36.
  8. Ravikanth, L., C.B. Singh, D.S. Jayas, and N.D.G. White. 2016. Performance evaluation of a classification model for the classification of contaminants from wheat using near-infrared hyperspectral imaging. Biosystems Engineering 147: 248-258.
  9. Atungulu, G.G., H. Zhong, G. S. Osborn, A. Mauromoustakos, and C. B. Singh. 2016. Simulation and validation of on-farm in-bin drying and storage of rough rice. Applied Engineering in Agriculture 32(6): 881-897.
  10. Ravikanth, L., C.B. Singh, D.S. Jayas, and N.D.G. White. 2015. Classification of contaminants from wheat using near-infrared hyperspectral imaging. Biosystems Engineering 135: 73-86.
  11. Singh, C.B., D.S. Jayas, and R. Larson. 2014. Assessment of fan control strategies for in-bin natural air drying of wheat in Western Canada. Canadian Biosystems Engineering 56(3): 25-36.
  12. Singh, C.B., D.S. Jayas, J. Paliwal, and N.D.G. White. 2012. Fungal damage detection in wheat using short-wave near-infrared hyperspectral and digital colour imaging. International Journal of Food Properties 15(1): 11-24.
  13. Senthilkumar, T., C.B. Singh, D.S. Jayas and N.D.G. White. 2012. Detection of fungal infection in canola using near-infrared hyperspectral imaging. Journal of Agricultural Engineering 49(1): 21-27.
  14. Zare, D., D.S. Jayas, and C.B. Singh. 2012. A generalized-dimensionless model for deep-bed drying of paddy. Drying Technology 30(1): 44-51.
  15. Singh, C.B., D.S. Jayas, F. Borondics, and N.D.G. White. 2011. Synchrotron based infrared imaging study of compositional changes in stored wheat due to infection with Aspergillus glaucus. Journal of Stored Products Research 47(4): 372-377.
  16. Zhang, W., C.B. Singh, D.S. Jayas, and N.D.G. White. 2011. Influence of growing location on features extracted from colour images of wheat and detection of foreign material represented by barley. Biosystems Engineering 110(3): 348-350.
  17. Hemis, M., C.B. Singh, D. Bruneau, and D.S. Jayas. 2011. Dimensional simulation of coupled heat and mass transfer in granular porous media: Application to the drying of wheat. Drying Technology 29(11): 1267-1272.
  18. Hemis, M., C.B. Singh, and D.S. Jayas. 2011. Microwave assisted thin layer drying of wheat. Drying Technology 29(10): 1240-1247.
  19. Mohapatra, D., S. Mishra, C.B. Singh, and D.S. Jayas. 2011. Postharvest processing of banana: opportunities and challenges. Food and Bioprocess Technology 4(3): 327-339.
  20. Bhuvaneswari, K., N. Varadharaju, P.G. Fields, N.D.G. White, A.K. Sarkar, C.B. Singh, and D.S. Jayas. 2011. Image analysis for detecting insect fragments in semolina. Journal of Stored Products Research 47 (1): 20-24.
  21. Singh, C.B., D.S. Jayas, J. Paliwal, and N.D.G. White. 2010. Identification of insect-damaged wheat kernels using short-wave near-infrared hyperspectral and digital colour imaging. Computers and Electronics in Agriculture 73(2): 118-125.
  22. Singh, C.B., R. Choudhary, D.S. Jayas, and J. Paliwal. 2010. Wavelet analysis of signals in agriculture and food. Food and Bioprocess Technology 3(1): 2-12.
  23. Singh, C.B., D.S. Jayas, J. Paliwal, and N.D.G. White. 2010. Detection of midge-damaged wheat kernels using short-wave near-infrared hyperspectral and digital colour imaging. Biosystems Engineering 105(3): 380-387.
  24. Singh, C.B., D.S. Jayas, J. Paliwal, and N.D.G. White. 2009. Detection of sprouted and midge-damaged wheat kernels using near-infrared hyperspectral imaging. Cereal Chemistry 86(3): 256-260.
  25. Singh, C.B., D.S. Jayas, J. Paliwal, and N.D.G. White. 2009. Detection of insect-damaged wheat kernels using near-infrared hyperspectral imaging. Journal of Stored Products Research 45(3): 151-158.
  26. Narvankar, D.S., C.B. Singh, D.S. Jayas, and N.D.G. White. 2009. Assessment of soft X- ray imaging for detection of fungal infection in wheat. Biosystems Engineering 103: 49-56.
  27. Hemis, M., A. Bettahar, C.B. Singh, D. Bruneau, and D.S. Jayas. 2009. An experimental study of wheat drying in thin layer and mathematical simulation of a fixed bed convective dryer. Drying Technology 27: 1-10.
  28. Singh, C.B., D.S. Jayas, J. Paliwal, and N.D.G. White. 2007. Fungal detection in wheat using near-infrared hyperspectral imaging. Transactions of the ASABE 50(6): 2171-2176.
  29. Singh, C.B., S. Bal., P. Ghosh, and D.S. Jayas. 2007. Thin layer drying model for natural convection drying of parboiled paddy. International Agricultural Engineering Journal 16(3-4): 179-184.


Funding Partners



Industry Partners


Alberta Sugar Beet Growers

Potato Growers of Alberta