An overview of conventional and emerging aspects of compost: quality indicators for agricultural uses, emerging contaminants and technological innovations

Composting is a well-established technology for the treatment of a wide range of organic wastes and by-products without the production of any residue. It is a key process for the development of the circular economy. The process is well-known, conventional parameters for compost quality are established in most countries, and quality certificate schemes are in operation, based on indicators to prevent soil pollution and to promote soil health. The benefits of compost in soils have been widely reco