主播大秀

Vertical farming, where plants are grown in stacked layers, enables a greater number of crops to be grown in the same space.

Yields can be increased further by optimising the amount of light and nutrients each plant receives.

The technique is now moving from commercial applications to consumer products, but what are they like to use and why do people want them?

主播大秀 Click鈥檚 Lara Lewington reports.