Summary
B CROP CIRCLES TENDED BY ROBOTS FARMERS ALREADY score per-acre yields using hydroponic tactics that are 30 times as high as those produced by traditional farming. iN a vertical farm, nutrient-delivery machinery and 24-hour light exposure would improve on that yield many times over. [...] scientists will cultivate slabs of meat in the lab from chicken, pig or cow stem cells raised on a diet of water, glucose and natural proteins.
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From the Ground Up
A THE AQUAPONIC MERRY-GROW-ROUND
ALTHOUGH HYDROPONICS and fish farms produce high yields, they're also high-mentainance. Soil-free hydroponic systems require frequent nutrient replenishment, and fish t...See the full content of this document
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