IATFG Greenhouse Survey
Please answer the following questions for each greenhouse (or hothouse or room) you use for growing ferns. If you wish to fill this survey in for multiple spaces, submit one set of answers and then start the process again for your other spaces.
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How do you refer to this greenhouse? (For example: 'the back conservatory' or 'the fern shed')
Do you use this greenhouse for domestic or commercial fern growing?
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What minimum temperature do you maintain this greenhouse at?
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Do you use a heater? Tick all that apply.
Do you use a separate thermostat? That is one NOT built into you heating device.
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Do you use additional insulation? Tick all that apply.
How do you measure the temperature? Tick all that apply.
What humidity do you maintain you greenhouse at?
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What method do you use for maintaining this humidity? Tick all that apply.

How do you measure the humidity? Tick all that apply.
Do you provide additional ventilation or air circulation? Tick all that apply.
Do you provide any supplementary lighting in the space?
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During the summer, on average how many hours per day are they on?
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During the winter, on average how many hours per day are they on?
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Do you do anything to reduced natural sunlight levels? Tick all that apply.
What kind of lighting do you use? Tick all that apply.
What is the primary purpose of this greenhouse?
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Would you say you specialise or collect any particular genera that are housed in this greenhouse (for instance Aglaomorpha and Drynaria, Pyrrosia)?
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