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Arnold Arboretum

Weld Hill Growth Facilities

The Weld Hill Growth Facilities consist of 12 individually controlled greenhouses and several types of Conviron growth chambers for precise control of growing conditions. Use of the growth facilities (greenhouses, growth chambers, and common gardens) requires an approved “Space Request” and is governed by the “Weld Hill Plant Growth Facility Policies”. No plants should be brought into the growth facilities without the approval of the Growth Facilities Manager [email].

Twelve greenhouses

384 sq ft each
Fully programmable ARGUS controls
2 fixed benches, 3 rolling benches

Four Conviron PGR-15 Chambers

16.1 sq ft growth area
69″ Extended growth height
Humidification and dehumidification control
Temperature Range: 10-45ºC lights on; 4-45ºC lights off
High Light Intensity: 1150 micromoles/m2/s
CMP6050 Controls, remote monitoring and data logging

Two Conviron MPTC-144 Plant Production Chambers

144 sq ft growth area; 4 plant growth modules with 3-tier mobile shelving
17″ growth height
Humidity control
Temperature Range: 15-35ºC lights on; 10-35ºC lights off
High Light Intensity: 425 micromoles/m2/s
CMP6050 Controls, remote monitoring and data logging

Two Conviron E7/2 Chambers

8.2 sq ft growth area
23.5″ growth height
Humidity control
Temperature Range: 10-45ºC lights on; 4-45ºC lights off
High Light Intensity: 550 micromoles/m2/s
CMP6050 Controls, remote monitoring and data logging

One Conviron G30 Germination Chamber

16.1 sq ft growth area
72″ Extended growth height
Humidity control
Temperature Range: 10-45ºC lights on; 4-45ºC lights off
High Light Intensity: 8 lamps per side
CMP6010 Controls

Two Conviron E8

8 sq ft growth area
69″ Extended growth height
Humidification and dehumidification control
Temperature Range: 10-45ºC lights on; 4-45ºC lights off
Light Intensity: 1000 micromoles/m2/s
CMP6050 Controls, remote monitoring and data logging

Two Conviron A1000 Tissue Culture Chambers

26 sq ft growth area
8″ growth height
Humidity control
Temperature Range: 10-45ºC lights on; 4-40ºC lights off
Light Intensity: 200 micromoles/m2/s
CMP6010 Controls

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