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Nutrient Cycling in Aquaponics Systems
[chapter]
2019
Aquaponics Food Production Systems
In aquaponics, nutrients originate mainly from the fish feed and water inputs in the system. A substantial part of the feed is ingested by the fish and either used for growth and metabolism or excreted as soluble and solid faeces, while the rest of any uneaten feed decays in the tanks. While the soluble excretions are readily available for the plants, the solid faeces need to be mineralised by microorganisms in order for its nutrient content to be available for plant uptake. It is thus more
doi:10.1007/978-3-030-15943-6_9
fatcat:662ofqhijnbnvazgwog2ts3lvi