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HORTICULTURE

Cultivate Success: Designing the Perfect
Mushroom Grow Facility

Mushroom( cultivation( tissue (a cluster of fungal
is( more( than( just( a( niche( threads that form the veg-
farming( practice5it’s( a( etative body of a fungus)
thriving( sector( with( im5 to sterilized sawdust or
mense( market( potential.( cereal grains and then ex-
Whether( you’re( looking( panding that material to
WR WDS LQWR WKH KLJK SUR¿W bulk substrates – primarily
fresh( mushroom( market,( supplemented sawdust but
explore( specialty( varieties,( also other mediums such
or( develop( health5focused( as straw, wood chips, co"ee
mushroom( products,( the( grounds, etc. This step in the
opportunities( are( diverse( process is called inocula-
and( promising.( However,( tion. Before inoculation, the
achieving(success(in(mush5
room( production( requires( substrate must be sterilized
careful( attention( to( facil5 or pasteurized to eliminate
ity(design,(especially(when( competing microorganisms.
growing(in(controlled(envi5 A common way to steril-
ronments. ize substrate material is by
using an autoclave or ultra
At Ceres Greenhouse Solutions, we understand that while many pasteurization system – pieces of equipment that use temperature
of our clients are focused on optimizing sunlight-based green- and in some cases pressure to kill microbes in a sealed chamber.
houses, the same principles of energy e!ciency and environmental
control apply to indoor mushroom cultivation. Designing a suc- Incubation:
cessful mushroom grow house involves balancing a range of critical
elements, from temperature and humidity control to lighting and After substrates are inoculated with the mycelium, they are
space utilization. stored in a well lit and climate controlled environment to allow the
mycelium to colonize the substrate fully. This step usually takes on
In this blog, we’ll explore the these essential components of in- average four weeks but for some species can take as much as 12.
door mushroom production:
Fruiting:
- A sealed and insulated growing environment
After incubation, the fully colonized substrates are moved to a
- Facility layout for the di"erent growing stages fruiting chamber with conditions conducive to mushroom forma-
- Sterilization equipment tion (e.g., detailed temperature control, increased humidity, oxygen,
and light exposure). The mycelium will begin to form small mush-
- Filtration and ventilation systems room primordia or “pins.” Some growers skip this stage entirely if
- Heating and cooling systems their goal is to solely produce and harvest mycelium. Mycelium has
a wide range of applications, including as a meat substitute, supple-
- Sensors and controls ment ingredient, textile material, eco-friendly packaging, soil de-
- Custom lighting setups contaminant, and for any process involving organic decomposition.
- Humidi#ers and/or fogging systems Harvesting/Processing:
Whether you’re transitioning to indoor growing or seeking to Fruiting mushrooms are harvested at their desired size and qual-
enhance your existing setup, our expertise in creating climate-con- ity. Post harvest, mushrooms will be packaged or processed in vari-
trolled environments will help you maximize yield and e!ciency. ous ways to extend their shelf life, enhance their value, and cater to
di"erent market needs.
Mushroom Cultivation Process
Important Design Considerations and Technology Integrations
Before we get into discussing key facility design components, for a Mushroom Grow House
let’s go over the di"erent stages of indoor mushroom cultivation:
In the inoculation and incubation stages of mushroom cultiva-
Inoculation:
tion, the facility design and equipment choices are critical to ensur-
Mushrooms are typically grown by introducing cloned mycelium ing successful growth and high-quality yields.
14 Vol. 40 No. 8