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A unique aquaponics system to produce more fish and vegetables with less energy (phys.org)

submitted 3 weeks ago by ArtikBanana@lemmy.dbzer0.com to c/technology@lemmy.world

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[–] Merlin@lemm.ee 10 points 3 weeks ago* (last edited 3 weeks ago) (2 children)

I don’t know anything about this subject with the exception of a video I watched a while ago mentioning that most hydroponic startups end up failing because the cost is too high as you always need a specialist and you can only grow smaller plants/veggies there. This compared with traditional farms.

Does this change that at all? I’m hoping it does as I’d love that hydroponics got much more financially viable as I honestly believe they’ll be our future considering global warming and pests as well.

[–] ArtikBanana@lemmy.dbzer0.com 9 points 3 weeks ago* (last edited 3 weeks ago)

The difference here is in the efficiency of the system.
And that this is an aquaponics system, which includes growing both fish and vegetables.

After more than two years of testing, Prof. Gross's system demonstrated 1.6 times higher plant areal productivity, 2.1 times lower water usage and 16% less energy consumption per kilogram of feed than conventional systems. His calculations suggest that upscaling to about one ton of fish will allow operation of the system with no need for external energy, less than 1% water exchange, negligible waste production as well as significant carbon sequestration.

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