https://www.aljazeera.com/video/earthrise/2015/1/7/recycling-phosphorus
Recycling phosphorus | Environment | Al Jazeera
Recycling raw sewage into fertiliser and creating a new, greener way to grow crops.
recyclingphosphorusenvironmentaljazeera
https://www.umu.se/en/research/projects/economic-and-environmental-assessment-of-integrated-phosphorus-recycling-from-sludge-ash-in-thermochemical-biorefinery-processes--impacts-of-metal-mobility-and-ash-particle-morphology-reash/
Economic and environmental assessment of integrated phosphorus recycling from sludge ash in...
environmental assessment
https://www.sciencedaily.com/releases/2017/11/171127152032.htm
Less life: Limited phosphorus recycling suppressed early Earth's biosphere | ScienceDaily
The amount of biomass -- life -- in Earth's ancient oceans may have been limited due to low recycling of the key nutrient phosphorus, according to new research.
early earthlesslifelimitedphosphorus
https://www.su.se/english/divisions/stockholm-university-baltic-sea-centre/stockholm-university-baltic-sea-centre/eutrophication/better-nutrient-recycling-can-reduce-eu-dependence-on-foreign-phosphorus
Better nutrient recycling can reduce EU dependence on foreign phosphorus - Stockholms universitet
nutrient recycling