Across
- 2. this is formed from fish waste and uneaten waste.
- 5. third and final form of the nitrogen cycle
- 8. culture of growing fish
- 10. system where plants grow without soil
Down
- 1. where ammonia and nitrite get converted
- 3. cycle process where nutrients gets converted
- 4. second form of the nitrogen cycle
- 6. where water is held before going back to fish tanks
- 7. combination between aquaculture and hydroponic systems
- 9. first form of the nitrogen cycle