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Author Question: What is the main advantage of the nutrient film technique for hydroponically growing plants? What ... (Read 31 times)

berenicecastro

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on: Jul 21, 2018
What is the main advantage of the nutrient film technique for hydroponically growing plants?
 
  What will be an ideal response?

Question 2

Provide three commonly used solid support media used for the substrate hydroponic culture method.
 
  What will be an ideal response?


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jessicaduplan

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Reply #1 on: Jul 21, 2018
Answer to Question 1

Main advantage: plant roots are exposed to adequate supplies of water, oxygen, and
nutrients.
Other advantages:
 Low capital cost plus simplicity of installation and operation
 Precise control of nutrition
 Eliminates the need for soil sterilization and preparation
 Quick turnaround between crops
 Reduction in transplanting shock by use of growing cubes and preheating the
nutrient solution to provide optimal root temperatures
 It is easy to adjust the nutrient solution formulation and use systemic insecticides
and fungicides in the nutrient solution
 Potential energy savings by keeping the greenhouse temperature lower than normal
levels due to maintenance of optimal root temperatures
 Eliminates water stress in plants between irrigation cycles by continuous watering
 Conservation of water by using a cyclic system

Answer to Question 2

Rockwool, perlite, sawdust, and others.


berenicecastro

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Reply 2 on: Jul 21, 2018
Thanks for the timely response, appreciate it

parker125

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Reply 3 on: Yesterday
Gracias!

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