January 2023 - 18
TECHNOLOGY
for the initial build out and
future expansion up front to
save time and trouble down
the road.
It's important to build as
close to the front of your
property as you can, so
your production barn and
shipping barn are in the
front, and the greenhouses
are behind them. You
need to know if the
facility can accommodate
future growth before you
have a need or desire to
expand. I've helped fellow
Metrolina Greenhouses invests heavily in technology to help
grow and ship more than 75 million plants annually to 1,400 retail
outlets from its locations in Huntersville, North Carolina, and York,
South Carolina. Photos: Metrolina Greenhouses.
CONSTRUCTING EFFICIENT GREENHOUSES
Designing and building a new greenhouse facility will
require additional capital when you hire an architect and
construction team; however, growers who don't have a
lot of experience in building greenhouses should hire
a contractor who knows what they're doing. Facility
owners, managers and head growers should be involved
in the planning and design to ensure the build aligns with
the production strategy and goals, but ultimately the
construction should be completed by experts.
Fifty years ago, everyone built their greenhouses
running north to south but, from our experience, the
optimal way to build a greenhouse is 45 degrees to the
east and west. That way, the sun is always going across
at an angle, so your shade is always moving across at an
angle, and everything gets sun at some point.
There are seemingly endless choices in greenhouse
greenhouse owners think this out. They send me a map
of their land and I'll give them 20 phases of greenhouse
buildout plans. You may never get to that size and that's
okay as long as you look ahead. Visualize the next year,
five years, 10 years and 20 years down the road, and what
you want your business to look like.
18
JANUARY 2023 GPNMAG.COM
styles and manufacturers, so the type of greenhouse you
build really depends on the crop you want to grow and
what you deem important in production. Ventilation, for
example, is a key consideration. If you plan to build closedroof
greenhouses, you'll need pad-and-fan ventilation, but
that type of system is typically limited to 300 feet.
We build 1,500-foot-long greenhouses, and we choose to
build open-roof because we want good air movement. The
more we can move that air, the better for the health and
quality of the plants. But not all open-roof structures are
created equal. If one greenhouse roof is open 3 feet and
the next two are closed, that is not equal to opening every
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January 2023
Table of Contents for the Digital Edition of January 2023
January 2023 - 1
January 2023 - 2
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January 2023 - 18
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January 2023 - 68
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https://www.nxtbook.com/greatamericanmediaservices/GPN/april-2022
https://www.nxtbook.com/greatamericanmediaservices/GPN/march-2022
https://www.nxtbook.com/greatamericanmediaservices/GPN/february-2022
https://www.nxtbook.com/greatamericanmediaservices/GPN/cannabisguide-2022
https://www.nxtbook.com/greatamericanmediaservices/GPN/hempguide-2022
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https://www.nxtbook.com/greatamericanmediaservices/GPN/hempguide-2021
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