Vertical Hydroponics NFT is simply a hydroponics system that flows an aerated nutrient solution (compost tea) across the roots of plants. Usually, this is the technique used in big commercial hydroponics systems. Here’s an example of a kit from a New Zealand company called Grower Technology in a smaller, vertical application.
Hydroponics is a form of agriculture where plant roots grow, not in soil, but in nutrient-enriched water. It’s a great method for growing food indoors and in small spaces. With the addition of automatic controls, it can be nearly maintenance-free.