They transform fish waste into plant food.
They break down dead plant matter
The most important bacteria in aquaponics are the nitrifiers that turn ammonia excreted by fish into nitrites and nitrates that can be taken up by the plants (hydroponic)
Explanation:
Aquaponics is system of farming that combines hydroponics and aquaculture with the two systems being interdependent due to nutrient cycling. Occasionally, some dead matter such as excrement falls from the fishes and plants and into the system. The bacteria break this organic matter to release the nutrients (nitrites and nitrates) hence making them available for uptake by plants. This cleans the water and makes it available again for the fishes.
Learn More:
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