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deficiencies revisited
--- Roger Davis <roger8198 at yahoo_com> wrote:
> Date: Mon, 26 Apr 1999 07:24:44 -0700 (PDT)
> From: Roger Davis <roger8198 at yahoo_com>
> Subject: deficiencies
> To: aquatic-plants at actwin_com
>
> I have these problems with my 180 L tank:
>
> 1) Older leaves of H.Difformis curled downwards. On
> the edges of
> leaves, I can see rusty brown colour
>
> 2) Older Leaves of Aponogeton ulvaceus showed
> similar rusty colour. And
> the leaves are somehow torn at random places.
> However new shoots keep
> on showing up EVERYDAY. And there are about 7 to 8
> flower stalks. These
> flower stalks messed up the water surface. How do I
> minimise the
> flowering craze?
>
> 3) What is the growth rate of Barclaya Longifolia?
> Older leaves have
> similar rusty colour plus some white spots. Growth
> rate is below
> average.
>
> 4)Leaves of H.Polysperma somehow suddenly bend.
>
> Parameters:
> KH/GH ~5
> NO3 ~ 5-8ppm
> K ~ 10ppm
> Mg ~ 8-10ppm
> Daily dose of trace nutrient 3mL
> VHO lighting
> CO2 injection
> ... plus some BBA, hair algae
>
> thank you
> Roger Davis
>
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