Mebiol has Invented  Imec, a New awesome technology for growing plants on special films just tens of microns thick, called hydro-membranes.

Hydro-membranes make it possible for plants to take up only water and nutrients, without letting harmful bacteria, nematodes, or viruses through.

According to Diginfo:

Hydro-membranes are made from water-absorbent hydro-gel, which is used in diapers. They prevent water leaking to the outside. This characteristic is also used in research by NASA on plant cultivation in space.