What is 'composted biosolids'?

What is 'composted biosolids'?

Tracy DiSabato-Aust (Garden Designer and Author) gives expert video advice on: What are 'soil amendments'?; What is the difference between 'organic' and 'inorganic' soil amendments?; What is 'leaf humus'? and more...

Composted bio solids refer to a mini-cocktail party - composted sewage sludge and it is actually very high in nutrients. It's highly regulated and it's useful for many soil types as far as providing nutrients.