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Mohammed Amjad
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Join Date: Sep 2009
Posts: 6

how to design a propagation area in plant nursery

10/17/2009 3:26 PM

hi,

can u please tell me how to find the capacity of evaporative system in the propagation area in the plant nursery.

my propagation area is 2400 m2 area.

what is the ventilation criteria for this area. and how can i size the exhaust fan for this.
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DVader1000
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Engineering Fields - Environmental Engineering - New Member APIX Pilot Plant Design Project - Member - New Member

Join Date: May 2007
Location: Anywhere Emperor Palpatine assigns me
Posts: 2774
Good Answers: 101
#1

Re: how to design a propagation area in plant nursery

10/18/2009 2:34 AM

You'll need to know the temperature and relative humidity (RH) of your propagation area to do this. Refer to a psychrometric chart and see what is the total mass of water vapor that the volume of air in your propagation area can carry. From the RH value on the chart, see how much more moisture the air can take up until the RH reaches 100%: that would be the evaporative capacity of your air.

You'll need to refer to your local codes-of-practice for the ventilation criteria, and size the fan accordingly. Without more details this is about the best information anyone can provide you.

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