Fish farmers advised to add plants

Published on: 09/27/2007
Source : Edmonton Journal

A farmer whose sole product is fish can harvest bigger profits if a vegetable or herb crop is added to the system, said presenters at a conference on aquaculture.This form of agriculture, called aquaponics, is still rare in Alberta, said Nick Savidov, a research scientist with Alberta Agriculture's crop diversification centre in Brooks. Bacteria convert the fish waste to nutrients, which are taken...

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Lewis Lu Lewis Lu
Consultant
September 27, 2007
The aquaponics concept seems very interesting! But, is it possible to use ONLY the bacteria to digest the fish waste and then clean the water environment? Could anyone be kindly have your comments? From Lewis based in Asia.
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April 12, 2011
This aquaponic is interesting, can it be called recycling system? I want to know, what kinds of vegetable best used?
Ediwarman, from Jambi Freshwater Aquaculture Development Centre in Indonesia.
Thank you.
Reply
July 20, 2011
Aquatic plants are a natural part of the aquatic environment and provide filtration, cleansing and re-oxygenation as a matter of course. Aquaculture without plants is a pretty impoverished place were waste has to be removed and re-oxygenation equipment used to improve the water quality, this machinery costs money and makes aquaculture more expensive than it should be, let alone the feed costs.

Plants also provide a natural habitat for aquatic invertebrates, part of the food requirements for fish. This would not be the case in aquaponic units which are by definition much more sterile.

Depending on the type and species of aquatic plants that are selected to perform these water quality improvement operations they will also be and provide another revenue stream, making aquaculture a much more profitable enterprise. For me aquaculture without plants does not work efficiently.

Laurence Hutchinson
CEO
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haruna akeem haruna akeem
Agriculturist
July 27, 2011
It is advisable to add plants to ponds but there some factors to put in to consideration;
>The chemical composition of the kinds of plants we want to introduce to the ponds(obnoxious or not)
>To know the quantities of plants to present in a particular ponds so as not to cause over oxygenation of the ponds.
>To know the mode of nutrition of aquatic life presents in the pond whether they are;herbivorous,omnivorous or carnivorous so as to be able to determine the quantity of plants to present in the ponds that can brings effective usage.


Haruna Akeem
















CEO
Reply
September 12, 2011
wild aquatic plants can be fed to livestock animals to decresae the costs of getting rid of it.
Reply
September 13, 2011
Thank you, your explanation.

Ediwarman
Reply
September 13, 2011
plants could be seeded or implanted around fish farms or on the slope of dikes and as an ulternatve crop betweenn fishing cycles (a method of maximising the input of land, a freindly way to break cycles of many parasitic diseases and indirectly supplies natural fish food; phyto and zoo planktons.)

Dr. M. Tag
Reply
September 13, 2011
for furher experience about integrated and/or ulternative aquculture contact me on my cell phone : ++0119745999.t
Reply
September 13, 2011
Read: Ecological Aquaculture a sustainable solution ISBN 1-85623-032-5
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