CircBrief: Nutrient recycling is an essential part of a sustainable food system

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materiaalitkiertoon.fi @circwaste

Nutrient self sufficiency and security of supply can both be promoted by recycling domestic biomasses effectively, turning them into recycled fertilizer products and using them in farming.

Nutrient recycling is an essential part of a sustainable food system year, approx. 18 million tonnes of biomass suitable for nutrient recycling is • Each produced in Finland, such as livestock manure and municipal and industrial waste side streams.

applied evenly onto Finland’s arable lands, this biomass could cover • Ifaround 90% of the phosphorus needs of crops. recycle nutrients and carbon more efficiently, the processing • To rate of biomasses, especially manure, should be increased. have proven that the efficiency of biogas production and nutrient • Studies use on farms could be improved by sedimentation of slurry. farming techniques enable better • Precision use of recycled nutrients.

• CircBrief – best practices of circular economy • April 2023 •


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