3 ms·
Vertical farming is only economical with very, very expensive by weight crops. If you’re planning to use artificial light rather than sunlight you’ve got to com
by barry-cotter 7y ago
Vertical farming is only economical with very, very expensive by weight crops. If you’re planning to use artificial light rather than sunlight you’ve got to compete with people growing crops in the open air or in greenhouses where the lighting is free.