[nafex] Sand Propagation Bed

I am learning and expanding my growing capabilities in preparation for
retirement.
I am currently building a sand box plant propagation bed that will have
overhead irrigation spray heads that can turn on every 10 minutes for as
5/10 seconds during the day light hours.
I am in North Alabama (Zone 7A/B) which has hot humid summers and early
springs with late frosts.
Want to be growing perennials like fruit and vegetables that do not require
chemicals to succeed.
What shade cloth should I use (50%)?
Does anyone have suggestions on what fruit veggies grow well in a sand box
like mine?
Would hardwood or softwood cuttings be best?
Thank you
Dennis
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