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Author Question: Why is it inadvisable to grow some crops in a bottomless bed on the floor of a greenhouse? What ... (Read 22 times)

SAVANNAHHOOPER23

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on: Jul 22, 2018
Why is it inadvisable to grow some crops in a bottomless bed on the floor of a greenhouse?
 
  What will be an ideal response?

Question 2

Is the convection tube or the horizontal air flow system more commonly used today for heat distribution from unit heaters and why?
 
  What will be an ideal response?


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Brummell1998

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Reply #1 on: Jul 22, 2018
Answer to Question 1

Pathogenic diseases and nematodes can become established below the
loosened soil zone since pasteurization procedures are not effective in this zone.
These harmful agents eventually migrate into the root zone.

Answer to Question 2

Horizontal air flow. It maintains more uniform temperatures in the
greenhouse.


SAVANNAHHOOPER23

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Reply 2 on: Jul 22, 2018
Thanks for the timely response, appreciate it

vickybb89

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Reply 3 on: Yesterday
Excellent

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