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CESRF hypobaric plant growth chambers (HPGC)


The pressure on Mars is less than one per cent of what it is here on Earth. One of the key questions facing scientists is whether plants could thrive at lower atmospheric pressures. A prototype variable pressure growth chamber, designed by the CES research team specifically for the study of long term plant growth under low atmospheric pressures, is currently being evaluated. Within the next two years a total of fourteen hypobaric plant growth chambers will be constructed. They will provide a venue for the study of plant growth and development, photosynthetic gas exchange, air quality, and hydroponic solution remediation technologies under atmospheric conditions common to extraterrestrial exploration and habitation.

Large Hypobaric Chambers



Chamber Specifications:

  • Size (internal): 1.0 x 1.8 x 2.5 metres (W x H x D)
  • Growing area: 1.5 square metres
  • Volume: 4500 litres
  • Small Hypobaric Chambers



    Chamber Specifications:

  • Size (internal): 0.45 x 1.6 metres (Diameter x Height)
  • Volume: 245 litres
  • Construction photo galleries:

  • Prototype HPGC - Large unit
  • HPGC - small units


  • Controlled Environment Systems Research Facility | Ontario Agricultural College
    University of Guelph | Guelph | Ontario | Canada | N1G2W1
    PHONE: 519.824.4120 EXT 52909
    FAX: 519.837.0442
    info@ces.uoguelph.ca