Want to know how many kinds of soilless culture systems there are? Points to open!
True soilless culture: Soilless culture without the use of any substrate, also known as hydroponics.
Hydroponics technology includes deep flow technology (DWC); Nutrient liquid membrane technology (NFT) and aeroponics.
Recirculating soilless culture: A soilless culture system that recyls nutrients.
Open Soilless culture: A soilless culture system that does not recycle nutrients. The excess nutrient solution is discharged directly into the environment and is not recycled.
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