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Aquaponics is an efficient way of growing fish and vegetables in one complete system. Benz Kotzen of the EU Aquaponics Hub believes this sustainable technique could inspire the next generation of farmers. In greenhouses in a roof garden, in central London - the Tilapia fish live in the tanks, their water is cycled through filters with microbes that convert the fish waste to fertiliser, which goes to feed the tomato plants which grow in vertical planters. Picture: Tilapia and tomatoes in aquaponic system, Credit: 91福利社
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