npj Urban SustainabilityLeveraging circular nutrients to improve the sustainability of peri-urban agricultureAngelica Mendoza BeltranSusana Toboso-ChaveroJuan David Arosemena PoloAdriana Lucia Romero LestidoGara Villalba2026-01-08Full textDOI https://doi.org/10.1038/s42949-025-00333-6