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Permalink Reply by Phillip Smith on June 25, 2008 at 3:44am

I have recently been working on an Aquaponics system at my work - www.ceres.org.au - a symbiotic relationship between aquaquatics and hydroponics where fish are farmed (primarily for food) and the waste is turned into useable fertiliser by a natural buildup of certain bacteria that convert nitrites into nitrates (see http://www.aquaponics.com.au/ ). We are experimenting with two form of hydroponics and one is a flood and drain system. Water is pumped to a header tank every 30 minutes and takes 15 minutes to flow down into the hydro beds. The intake is faster in the beds than outflow and they are tuned to fill almost to the brim and then drain out over the next 15 minutes.

Sounds like the basal system is like subsurface irrigation with a similar kind of process to this. Hope this helps.

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Permalink Reply by henry cohen on July 8, 2008 at 4:50am

Brian-- I know Charlie Miller well and have worked with him. I'll call him today and get it right from the horses mouth.
I'll post his answer later today or tonight.

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Permalink Reply by henry cohen on July 10, 2008 at 4:52pm

Brian-- I spoke with Charlie the other day, the best answer I received was to contact him. His web site is
roofscapes.com. Call him and he'll be glad to share the info with you.

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Permalink Reply by Matt Landis on July 13, 2008 at 12:35pm

I think that this is basically a drip system.....a coiled system of flexible irrigation pipe that has tiny holes in it to release the water.

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