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Re: [APD] CO2 and Algae
Phosphorus and nitrogen have different function for
plants. Nitrogen is consequently converted to a kind of
sugar, but phosphorus is used as Adenosine TriPhosphate.
I don't know actually in the aquarium for aquatic plant
about which is more important. But, phosphorus is
generally important for DNA and RNA.
One important point may be phosphorus in water for algae.
So, CO2 bubbling may be effective in many cases.
--- Stuart Halliday <stuart at mytriops_com> wrote:
> I believe rugby_ox2002 at yahoo_co.jp wrote this email
> section below:
> > Hi everyone.
> > Physiologically and chemically, there are some
> points.
> >
> > In cases of submerged, vascular plant, their
> nutrient
> > source, especially phosphorus, is mainly from
> their roots.
> > Vascular plant absorb nitrogen from their leaves,
> too; but
> > phosphorus is the most important nutrient for
> vascular
> > plant.
> >
> > In contrast, algae, such as phytoplankton, can
> absorb
> > nutrients only from water. Therefore, to preclude
> the
> > phytoplankton growth, it is effective to decrease
> nutrient
> > levels in water, especially phosphorus.
>
>
> I thought it was nitrogen (AKA ammonia) and not
> phosphorus that had recently
> been demonstrated as being the most important
> nutrient for plants?
>
> Tom Barr has been quite clear on this point. :-)
>
>
> --
> Stuart Halliday
> http://mytriops.com/
> 200 Million years in the making...
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