Circular nutrient solutions for agriculture and wastewater: a review of technologies and practices

Circular nutrient solutions for agriculture and wastewater : a review of technologies and practices

Carolus, Johannes Friedrich (author): Thünen Institute of Farm Economics, Germany; University of Copenhagen, Denmark

Johannesdottir, Solveig (author): RISE,Systemomställning och tjänsteinnovation

Haddaway, Neal Robert (author): Stockholm Environment Institute, Sweden; University of Johannesburg, South Africa; Mercator Research Institute on Global Commons and Climate Change, Germany

(creator_code:org_t)

Elsevier B.V. 2020
2020
English.
In: Current Opinion in Environmental Sustainability. - : Elsevier B.V.. - 1877-3435 .- 1877-3443. ; 45, s. 78-91

Related links:: https://doi.org/10.1...; show more...; https://doi.org/10.1...; https://urn.kb.se/re...; https://doi.org/10.1...; show less...

Abstract Subject headings

This paper summarizes key findings from a series of systematic reviews and comprehensive efforts to collate evidence and expert opinions on circular solutions for recovery and reuse of nutrients and carbon from different waste streams in the agriculture and wastewater sectors. We identify established and emerging approaches for transformation towards a more circular nutrient economy with relevance to SDGs 6 and 14. The paper cites the example of the Baltic Sea Region which has experienced decades of fertilizer overuse (1950s–1990s) and concomitant urban sources of excessive nutrients. Regulations and incentive policies combining the nitrogen, phosphorus and carbon cycles are necessary if circular nutrient technologies and practices are to be scaled up. Pricing chemical fertilizer at levels to reflect society's call for circularity is a central challenge.

By the author/editor: Rosemarin, Arno ...; Macura, Biljana; Carolus, Johanne ...; Barquet, Karina; Ek, Filippa; Järnberg, Linn; show more...; Lorick, Dag; Johannesdottir, ...; Pedersen, Søren ...; Koskiaho, Jari; Haddaway, Neal R ...; Okruszko, Tomasz; show less...

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