Louis Longchamps

Image Louis Longchamps
Research scientist in precision agriculture

My role consist in developping the precision agriculture approach and technologies to improve crop production and farm profitability while reducing the negative impacts of agriculture on the biosphere.

Current research and/or projects

Develop precision farming techniques and technologies to improve the efficiency of agricultural inputs and reduce the impact of agriculture on the environment.

Research and/or project statements

AAC Living Laboratory for the Province of Quebec

Development of a yield sensor for baby greens

Optimization of nitrogen management using remote sensing supported by ground validation

Nitrous oxide emissions reduction using variable rate nitrogen management in switchgrass based on management zones and remote sensing

Smart crop land management for the establishment of eco-services based on remote sensing

Professional activities / interests

• Precision agriculture research
• Development of the concept of observational study applied to agriculture
• Development of techniques and technologies to produce agricultural and environmental data with volume, veracity, velocity and variety to support artificial intelligence applied to agriculture

Education and awards

2006 - 2012

Ph.D.

Department of Phytology, Laval University

Thesis: Spatial structure of weed populations in corn fields and measure of the potential for site-specific weed management.

Supervisor: Professor Gilles. D. Leroux

Co-supervisor: Dr. Bernard Panneton P. Eng. and Dr. Marie-Josée Simard

2004 - 2006

mastery

Department of Phytology, Laval University

Thesis: Discrimination between weeds and corn by spectral signature of UV-induced fluorescence.

Supervisor: Professor Gilles. D. Leroux

Co-supervisor: Dr. Bernard Panneton P. Eng.

1999 - 2003

Bachelor of Agronomy

Department of Phytology, Laval University

Awards

2018 Pierre C. Robert Precision Agriculture Award - Young Scientist, International Society of Precision Agriculture

2014 University’s Ram Pride Service Award granted by Colorado State University’s President, Dr Tony Frank

2014 International Presidential Fellow 2014-2015 of Colorado State University

2012 Poster Award at the IPNI Great Plain Soil Fertility Conference, Denver

2011 Postdoctoral Fellowship, Quebec Research Fund Nature and Technology

International experience and/or work

2016 - present

Scientific Researcher in Precision Agriculture,

CRD St-Jean-sur-Richelieu,

Agriculture and Agri-Food Canada

2014 - 2016

Special Assistant Professor,

Department of Soil and Crop Sciences, Colorado State University,

2012 - 2014

Post doctoral,

Department of Soil and Crop Sciences, Colorado State University,

Supervisor: Professor Raj Khosla

2010 - 2012

Research Associate, doctorate level

Department of Soil and Crop Sciences, Colorado State University

Supervisor: Professor Raj Khosla

Key publications

For a complete list of publications, please visit: AAFC Online

  • Cordero, E, L. Longchamps, R. Khosla, and D. Sacco, (2019) Spatial nitrogen management in maize production using single and multi-source data. Science of the Total Environment, 697: 133854
  • Cordero, E, L. Longchamps, R. Khosla, and D. Sacco (2019) Joint measurements of NDVI and crop production data-set related to combination of management zones delineation and nitrogen fertilization levels. Data in Brief, p.104968.
  • DeLara A., L. Longchamps and R. Khosla. (2019) Soil water content and high resolution imagery: maize yield. Agronomy 9(4):174
  • Siegfried J., L. Longchamps and R. Khosla. (2019) Multispectral satellite imagery to quantify in-field soil moisture variability. Journal of Soil and Water Conservation. 74(1): 33-40.
  • DeLara, A., R. Khosla and L. Longchamps (2018) Characterizing spatial variability in soil water content for precision irrigation management. Agronomy 8(5): 59;
  • Siegfried J., R. Khosla and L. Longchamps (2017) Infrared thermometry to quantify in-field soil moisture variability. Journal of Crop Improvement. 31(1): 72-90.
  • Longchamps L., B. Panneton, R. Reich, M.-J. Simard and G.D. Leroux (2016) Spatial pattern of weeds based on multispecies infestation maps created by imagery. Weed Science. 64(3): 474-485

  • Longchamps L., R. Khosla, R. Reich, and D.W. Gui (2015) Spatial and temporal variability of soil water content in leveled fields. Soil Science Society of America Journal 75(5): 1446-1454

  • Moshia E.M., R. Khosla, L. Longchamps, J. Davis and D.G. Westfall. (2014) Precision manure management across site-specific management zones: grain yield and economic analysis. Agronomy Journal. 106(6): 2146-2156
  • Longchamps L., B. Panneton, M.-J. Simard and G.D. Leroux. (2014) An imagery based weed cover threshold based on expert knowledge. Weed Science. 62(1): 177-185
  • Longchamps L. and R. Khosla (2014) Early detection of nitrogen variability in maize using fluorescence. Agronomy Journal. 106(2): 511-518
  • Longchamps L., B. Panneton, M.-J. Simard and G.D. Leroux. (2013) A technique for high accuracy ground based continuous weed mapping at field scale. Transactions of the ASABE. 56(6) 1523-1533
  • Longchamps, L., B.Panneton, M.-J. Simard, and G.D. Leroux. (2012) Could weed sensing in corn inter-rows result in efficient weed control? Weed Technology. 26:649-656.
  • Longchamps, L., B. Panneton, G. Samson, G.D. Leroux and R. Thériault. (2009) Discrimination of corn, grasses and dicot weeds by their UV-induced fluorescence spectral signature. Precision Agriculture, 11: 181-197.
  • Simard, M.-J., B. Panneton, L. Longchamps, C. Lemieux, A. Légère, and G.D.  Leroux. (2009) Validation of a management program based on a weed cover threshold model: effects on herbicide use and weed populations. Weed Science. 57: 187-193.
  • Panneton, B., J.-M. Roger, S. Guillaume and L. Longchamps. (2008) Effects of preprocessing of ultraviolet-induced fluorescence spectra in plant fingerprinting applications. Applied Spectroscopy. 62: 747-752.

Publications dans des proceedings revues par les pairs

  • Longchamps, L., B. Panneton, S. Fountas and  R. Khosla. (2019) The development of yield sensing technologies for horticultural crops: a short review. Proceedings of the 12th European Conference on Precision Agriculture, Montpellier, France, July 8-11.
  • Phillippi E., R. Khosla, A. Andales and L. Longchamps. (2019) Precision nitrogen and water management for maize production in the Western Great Plains of the US. Proceedings of the 12th European Conference on Precision Agriculture, Montpellier, France, July 8-11.
  • Longchamps, L. and N. Tremblay (2017) Precision N management for field vegetables in organic soils: a short review. Proceedings of the 11th European Conference on Precision Agriculture, Edinburgh, UK, July 16-20.
  • Longchamps, L. and R. Khosla (2015) Improving N use efficiency by integrating soil and crop properties for variable rate N management. Proceedings of the 10th European Conference on Precision Agriculture, Tel Aviv, Israel, July 12-16.
  • Longchamps, L., R. Khosla and R. Reich (2015) Is there spatial and temporal variability in soil water content for leveled fields? Proceedings of the 10th European Conference on Precision Agriculture, Tel Aviv, Israel, July 12-16.
  • Longchamps, L., R. Khosla and Tenorio De Siqueira, R. (2013) Can soil fluorescence be used to delineate productivity potential management zones? In Proceedings of the 9th European Conference on Precision Agriculture, Lleida, Catalonia, Spain, July 7-11.
  • Longchamps, L., R. Khosla and Westfall D.G. (2013) Can fluorescence based sensing detect nitrogen deficiency at early growth stages of maize? In Proceedings of the 9th European Conference on Precision Agriculture, Lleida, Catalonia, Spain, July 7-11.
  • Longchamps, L., R. Khosla, M. Naser, M. Moragues and S. Haley. (2011) Active remote sensing for rapid evaluation of apparent nitrogen use efficiency in winter wheat (Triticum aestivum L.) genotypes. In Proceedings of the 8th European Conference on Precision Agriculture, Prague, Czech Republic, July 11-14.

Chapitre de livre

  • Longchamps L. and R. Khosla (2017) Precision maize cultivation techniques. In D. Watson, editor, Achieving sustainable cultivation of maize. Chapter 7. Burleigh Dodds Science Publishing Limited, Cambridge, UK.

Brevets et déclaration d'invention

  • Longchamps L. and B. Panneton (2018) Yield monitoring system for baby greens harvesters. Invention declaration
  • Longchamps L. and B. Panneton (2019) Yield monitoring system for baby greens harvesters. Patent

Research facility

430 Gouin Boulevard
Saint-Jean-sur-Richelieu, QC J3B 3E6
Canada

Affiliations

Member: Ordre des Agronomes du Québec 2003-2014

Member: American Society of Agronomy since 2009

Member: Soil Science Society of America since 2009

Member: Crop Science Society of America since 2009

Founding member: International Society of Precision Agriculture in 2010

Language

French

Other languages

English