As humans learned to farm, we arranged plants outside in horizontal fields, and invented irrigation and fertilizer to grow bumper crops. But with modern technology and farmers’ cleverness, we can now stack those fields vertically. Indoors plants has many benefits: less wilderness is cleared and it’s easier to control the runoff of fertilizer and pesticides. But lighting can make or break the cost.
Season 4 Episode 5
Length 04:26
Premiere: 02/28/17
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