6 ms·

Not practical for growing all the plants we eat, but hydroponics could avoid the problem of absorbing things from the soil.

• Bluestein 2y ago
  It's also AIUI more efficient ...
  • psd1 2y ago
    Maybe by some measures. But you have to build a hydroponic system instead of just plopping seeds into the ground, so it's less efficient in that dimension.