August 2021 - 32
PRODUCTION
that often gets overlooked is the impact that the greenhouse structure
can have. There's a good reason that the construction of the greenhouse
is usually the most expensive component in a CEA operation.
GrowSpan has been building greenhouses for 42 years, and Joey
Viegas shared some thoughts on some keys to aligning your greenhouse
with your particular operation.
" The design depends on many variables such as what you are growing,
but the location of the greenhouse is critical, " says Viegas. Every
greenhouse even on the same property could be designed differently
depending on DLI, humidity and the microclimates in the area. For
example, if you are on the north side of Oklahoma City we'd design your
greenhouse differently than if you were on the south side. "
Designing your greenhouse is not just about location, it's about
creating the ideal environment for whatever crop you're growing. " Look,
the goal of a greenhouse is to capture the sunlight and control the
environment, " Viegas continues. " Depending on the intensity of the sun,
how many micromoles hit the greenhouse, how many hours of total
sun you get, at what angle in the sky the sun is hitting the greenhouse
the longest; all that affects heat, humidity and microclimates. Each
commercial greenhouse needs to be considered through its own lens
and designed based on the variables in that exact location. "
GrowSpan newly designed greenhouse.
you're going to augment CO2 when you're under a ventilation regime,
there's an economic aspect that comes into play. "
STRUCTURAL IMPACT
Keeping Kurt's admonition in mind that the goal is to keep all the
components working together and at their maximum abilities, one area
LIGHTING CONSIDERATIONS
For many growers, the ability to manipulate light is the variable that
concerns them the most. We're going to take a different approach and zero
in on the cost. Marc van Iersel is a professor at the University of Georgia
and one of the leading researchers in this field.
" How much does it actually cost to provide supplemental lighting in a
greenhouse? Well, that depends on factors such as where in the world you
are, what type of greenhouse you have, what type of crop you grow, and
2021 Guide to
Hemp Production
gpn
Your #1 Resource for
a Successful Operation
The second annual Guide to Hemp Production
from GPN and Hemp Production News is your
go-to resource for the latest techniques and
information on a successful growing operation.
VIEW YOUR GUIDE AT
hempproductionnews.com/HempGuide
In it, you'll find the latest on:
* Pest management
* Plant nutrition
* Organic hemp
* Hemp law and
regulations
* Plus more
http://www.hempproductionnews.com/HempGuide
August 2021
Table of Contents for the Digital Edition of August 2021
August 2021 - 1
August 2021 - 2
August 2021 - 3
August 2021 - 4
August 2021 - 5
August 2021 - 6
August 2021 - 7
August 2021 - 8
August 2021 - 9
August 2021 - 10
August 2021 - 11
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