Hello,
When we use the aquapponic culture system, does the water that come out from the fish tanks has all nutrients (Macro and micro) that the plant need or should we add some?
Thanks
Dr Yahia,
In aquaponcs there are these tanks follow by
Fish Tank then Mechanical Tank then Biofilter then sum Tanks then the water pump from sum tank to plants and then back to fish tank.
In aquaponics there are biological process produce high level of Nitrogen and low am mount of phosphorus as the following:
Note*: In aquaponics( Iron, Potassium and other element not produce and must apply thorough adjustment the pH and EC.
1st stage:Start from fish Tanks( fish water composed high amount of ammonia).
2nd stage( mechanical filter)
(this according to the system you will use if used media bed base you does not need for mechanical filter).
Deep culture and NFT you need Mechanical filter for filtration your system before go the Biofilter.
3rd stage( Biofilter tank)
Nitrification process in aquaponics system provides elements for the plants which eliminates ammonia and nitrite through two types of bacteria of which the first type is composed of Nitrobacter, Nitrospina and Nitrococcus, a group of nitrifying bacteria that oxidize ammonia(NH3 or NH4+) convert into nitrite (NO2-) which is also toxic to fish. The second type of nitrifying bacteria composed of Nitrosomonas and Nitrosococcus that oxidize nitrite converts the nitrite into nitrate (NO3-) .
Finally
The plant beds
In aquaponics, the Nitrate and Phosphorus only produce.
Iron, Potassium must be applied for your system as foliar application or nutrient solution to sum tank in aquaponics system.
I suggest for you to read my paper about aquaponics:
https://www.researchgate.net/publication/320757677_Requirements_for_inserting_intercropping_in_aquaponics_system_for_sustainability_in_agricultural_production_system?_iepl%5BviewId%5D=lZs0r2loRU3K0IWnYkTc3D8TI820NZLo3c9R&_iepl%5Bcontexts%5D%5B0%5D=prfhpi&_iepl%5Bdata%5D%5BstandardItemCount%5D=2&_iepl%5Bdata%5D%5BuserSelectedItemCount%5D=0&_iepl%5Bdata%5D%5BtopHighlightCount%5D=1&_iepl%5Bdata%5D%5BtopHighlightIndex%5D=1&_iepl%5Bdata%5D%5BfeaturedItem1of1%5D=1&_iepl%5BtargetEntityId%5D=PB%3A320757677&_iepl%5BinteractionType%5D=publicationTitle
Dear Yahia,
Please have a look at this useful ResearchGate link.
https://www.researchgate.net/publication/267381900_Aquaponic_Integrating_Fish_and_Plant_Culture_Systems
Good luck
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