Experiments with fish waste as fertiliser

Qatar: Aquaculture farming project begins producing vegetables

Qatar’s national agricultural project began producing on Tuesday, marking another milestone in the country’s self-sustainability plan. The project, developed by Agrico through an aquaponic system, refers to a food production system that couples aquaculture – raising aquatic animals with hydroponics –cultivating plants in water. 

The production capacity of the project estimates 32,000 tonnes per year of various vegetables, executive director of Agrico for agricultural development, Nasser Al Khalaf noted in a local media report. The project is now in an experimental phase on a 4,000 m2 land occupied for the indoor horizontal farming system, Al Khalaf added in a media report on Wednesday.

The aquaponic system goes through a process in which it collects fish waste and transports it to the roots of the plant through water pipes. The plant then absorbs nutrients from the fish waste while filtering water for any residue, and sends it back to the fish tanks. 

Finally, the fish waste then transforms into healthy fertilisers through a biological filter that contains a bacteria which works by mutating ammonia into soil effective for planting. 

Read the complete article here. 

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