I was amazed early last summer when I visited a local fruit stand that has six plastic growing tunnels for tomatoes.
He was growing very tall, up to 8-foot plants, in what appeared to be 2 - 3 gallon black plastic bags.
The plants were segregated by age, and the oldest plants were fully 8 feet tall, strung up on single wire trelleses with the wires suspended from a steel pipe runnng horizontally down the length of the ceiling.
Each plant was stripped of its lower foliage all the way up to the unpicked ripening trusses about 5 feet off the floor. The size and production of the fruit was amazing.
There was a continuous watering system running, so apparently the size of the black bag you use is conditioned on porousity/water retention qualities of the growing media, availability of water and nutrients, etc.
PV
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