Reed, Cana or Papyrus?

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Re: Reed, Cana or Papyrus?

Christoph,

Thanks for the link.

The reed species I believe is Phargmites Karka, the common reed found here. The plant with red and yellow flowers is Canna.

Wanted to know which plant is better for a Horizontal Flow CW, Phargmites Karka or Canna?

Also are there any tested mechanical methods to increase aeration in a HFCW, like vertical pipes or something?

Thanks.

Hemendra

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  • christoph
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Re: Reed, Cana or Papyrus?

Hi Hemendra,
have a look at this publication:
www2.gtz.de/dokumente/bib-2011/giz2011-0...water-wastewater.pdf

[note by moderator: that link doesn't work, did you mean this document?
susana.org/lang-en/library?view=ccbktypeitem&type=2&id=930]

Technology Review of Constructed Wetlands 2011

there you will find useful information.
I don´t know what you mean with cana (the red plant on your picture?)and also I don´t know what you mean with reed. To many species and the terms are used often quite general.

Christoph

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  • bohrahs
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Reed, Cana or Papyrus?

I am in Kathmandu, Nepal. I built an ABR and horizontal flow CW to treat my house wastewater. I planted Cana and Reed. Cana is vigorous and is preventing Reed from spreading.

-- how often should I harvest Cana?
-- would it be better to replace all Cana with Reed? Which plant is better for root zone aeration? I use all well water and it is probably short on dissolved oxygen.

Thanks.

Hemendra

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