“Soil organic matter (SOM) derives from dead plant parts in the litter layer”“A fraction of SOM persists because it can resist decomposition.”“The process which converts litter into resistant or “recalcitrant” soil organic matterwas called humification”The product of humification = presumably ‘stable’ organic matter = is called humus
I don’t believe in humification theory. There, I’ve said it. I cringe every time I hear the word humus.
Biochar isn’t even that stable in soil. Unless it’s buried where oxygen doesn’t reach it deep deep in the profile. Something fungi can do with it by embedding it inside soil microaggregates where it won’t be oxidized or access by other organisms. But carbon cycling in soils doesn’t stop there.
How is carbon stored in the soil?
No doubt I’m bound to use the word humus to confuse myself and others too, just a heads up then… 🙂