Sure, if you ignore the rapidly growing auqaponics/bioponics tech that has been around si ce the 80s. Its basically a semi sustaining closed loop of agriculture

Sure, if you ignore the rapidly growing auqaponics/bioponics tech that has been around si ce the 80s. Its basically a semi sustaining closed loop of agriculture and fish farming, using the waste of each, as the input to the other. Less food, antibiotics, and fertilizers in one shot.