Fit Roots for Plant Health Whitepaper - Koppert
both the solution and air, to
refresh their composition. For instance, oxygen
(O2) must be able to move in, and carbon dioxide
(CO2) to move out of the soil/air [...] metabolites to be transported to the leaves, flowers and fruits. Roots also excrete carbohydrates
(‘sugars’) and other compounds made in the leaves into the [...] general description, and
there are many ways to create a proper substrate.
That can be soil, rockwool, peat and many others.
But there are significant differences