European Sustainable Phosphorus Platform

phosphorus sewage sludge fertiliser europe manure agriculture regulations digestate food soils carbon nitrogen compost sustainable development european sustainable phosphorus platform espp crops biowaste livestock meat and bone meal phosphate food processing ash fertilizer waste sector mining struvite recycling nutrient recycling perspectives biochar opportunities developments policy ifa smart&green 2021 overview routes nutrient policies circular economy boundaries planetary eutrophication phosphorus use eu policies phosphorus recovery