bare
ROOTS
Featured Contributors
MM
+
Monica Mansfield owned an
indoor garden store for 5½ years
before selling the business to
start a seven-acre homestead
with her husband, Owen. Monica
is passionate about gardening,
sustainable living, and holistic
health. She writes about these topics
and her homestead adventures on
her blog, thenaturelifeproject.com.
Contributors
Chris Bond
Rich Hamilton
Philip McIntosh
Dr. Lynette Morgan
KG
Kent Gruetzmache
Colorado-based fr
and the former dire
development at M
Talent Partners, an
recruiting firm ded
indoor gardening
industry. He is inter
his MA in Humaniti
explore the many c
business facets of t
emergent indu
his entrepren
A
CLOSED SYSTEM
A closed system refers to a hydroponic setup where nutrients (or a nutr
are recirculated, either continually or intermittently, Closed systems are c
and ideal for hydroponic growing and thus represent most popular hydr
systems. Closed systems that recirculate the nutrient solution include but
limited to: Nutrient film technique (NFT); Deep float technique (DFT), flo
Deep Water Culture systems, aeroponics, aquaponics, and ebb and flow
systems the nutrient EC and pH are adjusted, amended, and the solution
The most ideal type of closed system depends on a number of factors, su
plant’s type, size, water requirements, the size of the growing containers
growing medium, and the nutrient requirements. The key factor for succ
of these systems is that in a closed system, the nutrient solution needs to
monitored and adjusted to maintain efficiency and efficacy. Correct mon
management technique is essential in optimizing plant nutrition in a clos
Systems in which nutrients are not recirculated are termed open systems
systems, nutrients are applied only once and the resulting run-off is disp
utilized elsewhere on other crops.
Check out Dr. Lynette Morgan's article on page 36 for more information.
12
Maximum Yield