Question
Question: The accompanying diagram shows hydrophonic / soilless plant production. Plants are grown in a tube o...
The accompanying diagram shows hydrophonic / soilless plant production. Plants are grown in a tube or trough placed on a slight incline. The arrows indicate the direction of flow of nutrient solution.
Nutrient solution is sent to the elevated end of the tube from the reservoir by ________ and it flows back into reservoir due to ________.
A
Pump, Pump
B
Gravity, Gravity
C
Gravity, Pump
D
Pump, Gravity
Answer
Pump, Pump