I am looking into the development of a hydroponics system with artificial lighting and temperature. Is there a chart showing daylight time and type(Cloud, Direct, etc.) and temperatures between plants for ideal production?

  • You can learn a lot from here! Oct 26 '15 at 16:56
  • Hi Alexander! I can't seem to load that link on my computer. It looks like a portion of a book in many languages, which is great, but I can't read beyond the cover page, and even that is blurry. Would you be willing to take some specific information from it and write an answer? Thanks! Oct 31 '15 at 16:16

It depends on which plants and which part of their cycle you are trying to emulate.

Tomatoes as a tropical perennial will always benefit from 12 or more hours of direct sunlight every day.

However many herbs needs dormancy, such as parsley in order to go to seed in their second year.

You may not want seed however and will remove the parsley after its first year and replace with fresh.

It really all depends on what environment you are trying to emulate.

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