What You Need to Know
The system relies on the nitrogen cycle, where fish waste is converted into ammonia, which is then converted into nitrate by beneficial bacteria, providing a natural source of fertilizer for the plants. The water in an aquaponics system is typically maintained at a pH between 6.8 and 7.2, and a temperature between 18°C and 30°C.
Steps
- 1.
Chinampas salad (Aztec Mexico): Traditional floating garden cultivation of greens
- 2.
Kangkong stir-fry (Southeast Asia): Water spinach grown in integrated fish systems
- 3.
Tilapia ceviche (Peru): Simultaneous production of citrus and fish
The Science
Primary Reaction
Nitrogen Cycle