How is nutrient solution delivered to plants and handled in general in the NFT system?
What will be an ideal response?
Nutrient solution is passed through an inclined channel in a thin film
over the plant roots either continuously or for 10 minutes out of every 15 minutes.
At the lower end of the channel the solution is collected and is then recirculated.
At least once per day the solution is tested for its pH and soluble salt levels. If
required, alterations are made at that time.
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