Re: [APD] RE: allelopathic thoughts

["Scott R.H." <irons_21 at yahoo_com>]

Along those line (and just throwing ideas out there),
we know algae like N as much as our plants.  What if
due to a lack of co2,P, or K, not only is plant not
picking up enough nuetriants from the water, but also
release some back out to the water.  As an example of
co2,P or K lacking.  What if the plants leech N as
well.  Plant leaves would make for the best place for
algae to grow.  The leaves setup to get good light, so
good place to get light.  If the plant is leeching,
the leaves are a GREAT place to camp.  Light, food,
nice place to live.  Everything you need live as a
fine algae.

Scott R.H.

--- Marcin Baranowski <martin777 at poczta_fm> wrote:
> Tom provided strong arguments against the
> significance of allelopathy in
> "competition" between plants and algae. Let's look
> at this problem from a
> different angle. Maybe it's not about something that
> healthy plants leach
> but about something that they don't? High
> availability of light and CO2
> promotes fast photosynthesis, but plants need
> sufficent amount of all those
> micro and macronutrients to utilize synthetised
> carbohydrates and to convert
> them to aminoacids, proteins etc. Nutrient
> deficiency can also impair uptake
> and/or utylization of other nutrients. It may lead
> to a leach of DOC and
> absorbed nutrients to the water column thereby
> promoting algae growth. It
> would make sense if algae has the ability to
> assimilate simple organic
> compounds such as aminoacids, carbohydrates etc.
> from the water column. Can
> they?
> 
> Marcin Baranowski
> Bialystok, Poland
> 
> 
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> Aquatic-Plants at actwin_com
>
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