Re: aerial roots

[Thomas Barr <tcbiii at earthlink_net>]

> 
> Thanks for your easily understood response, Giancarlo.  If I'm interpreting
> this correctly, it sounds as though root fertilization might -- big might
> there -- reduce the number of "aerial" roots.  I consider some, but not all,
> of them to be unsightly.

I think it's more likely a response to needing more O2 for root respiration.
Much like Cypress knees in swamps or Mangrove roots' allowing O2 for root
respiration. A number of wetland plants do this.
There's no source of O2 down in the wetland substrates.

Regards, 
Tom Barr