It is often claimed from proponents of conventional farming that the use of chemical fertilizers, in particular nitrogen, is a prerequisite for binding more carbon in soils (see for instance the critique of regenerative agriculture by the World Resource Institute| gardenearth.substack.com
How nitrogen fertilizers changed the food system. Part 2.| gardenearth.substack.com
Nitrogen fertilizers is disrupting natural process on par with fossil fuels| gardenearth.substack.com