On 7/07/2015 12:03 AM, Nick Maclaren wrote:
In article ,
Fran Farmer wrote:

I'm not finding much information on root oxygenation. I'm only finding
information in hydroponics sites (which accords with the indoor growers
of certain substances as a source) but that doesn't seem to have a great
deal of application to gardens or my water tanks (=huge butts). I'll
keep hunting.

Try looking for root aeration.

Thanks for the tip. I will try that term.

I am pretty sure that plants that
can live in bogs and stagnant water can live without oxygen at
their roots, but almost all others need it.

Yes, it makes sense to me that non bog plants do need oxygen at their
roots, but what I'm wondering about is whether a high level of oxygen in
water is needed by any plant that is not a bog plant and is not grown
hydroponically.

I've become fixated on the OPs claim that everyone knows that root
oxygenation is super important for plants. I didn't know that and I
still can't find anything that explains it or shows that it is known or
important other than as it applies to hydroponics. I can see why it
might be important in hydroponics but I want to know why I missed out on
knowing this or even if I should know this.