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20 Cards in this Set

  • Front
  • Back
Which greenhouse covering lasts the longest?
Glass
Round top greenhouse
quonset
Which greenhouse covering is the most popular? Why?
Polyethelyene. It is cheap
What is the top of the greenhouse called?
the ridge
Which greenhouse covering is the most expensive?
Glass
What is a group of greenhouses called?
a Greenhouse Range
What are three uses for greenhouses?
Home & office-enjoyment of plants
University-research
Commercial-profit
What are the three types of attached greenhouses?
lean-to
attached even span
window mounted
What are the 4 types of free-standing greenhouses?
quonset
uneven span
even span
gothic arch
What factors should be considered when locating a greenhouse?
market, accessability, climate, topography, utilities, zoning, labor and expansion
What is the optimum spacing between greenhouses? Why?
1/2 the width of the greenhouse. To minimize shading.
Holds window panels
sash bars
no truss support, rounded with a ridge
gothic arch
Rafters of equal lenght
Even Span
supports composed of rafters, chords and struts
trusses
What are attached greenhouses used for?
retail or private spaces.
What are the four types of greenhouse coverings?
glass
polycarbonate
fiberglass reinforced plastic
polyethylene
Rafters of unequal lenght
uneven span
Structure attached to to a greenhouse used for storage, office space and a work area.
Head house
What are the four types of raised bench types?
wood fabric, welded wire, prefabricated plastic, moveable