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What is the key principle of the EBB and flow system in hydroponics? |
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a) |
It floods and drains periodically |
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b) |
It makes a tide flowing over the roots |
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c) |
It sprays a mist of nutrients on the roots |
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d) |
None of the above |
|
What is the key principle of the EBB and flow system in hydroponics? |
|
|
a) |
It floods and drains periodically |
|
b) |
It makes a tide flowing over the roots |
|
c) |
It sprays a mist of nutrients on the roots |
|
d) |
None of the above |
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(a) The EBB and flow system work by temporarily flooding the grown tray with nutrition solution and then draining the solution back into the reservoir |