Did67 wrote:Ahmed wrote:In Wikipedia, however, it is mentioned that a method of applying Polyurethane would be, I quote: "Flexible foams (which) are particularly used in furniture (seats of seats and sofas) ...".
Yes, yes ... But to my knowledge, it's these much denser, often yellowish, "molded" foams - if you de-bone a car seat, you'll see it's a lot denser ...
there is an air layering technique which consists in replacing the potting soil with rock wool.
It's green. maybe that's what you were talking about Hamed.
to my knowledge, with this technique, it is sometimes necessary to re-moisten with a syringe.
its advantage is that rootlets are better ventilated than with potting soil.