39 Trust the science? Any farmers confirm this? (www.newscientist.com) posted 96 days ago by mitmont123 96 days ago by mitmont123 +39 / -0 Spreading crushed rock on farms could absorb 1 billion tonnes of CO2 Putting silicate rocks from mine waste on fields could improve crops and limit global warming, but some researchers question where all that rock is going to come from 42 comments share 42 comments share save hide report block hide replies
silicates?
probably bullshit - or worse (poison), it would probably effect soil pH.
some fine gravel such as granite can help with with breaking up clay soils though - or more porous rocks helping water retention in sandy soils like where I live in Florida.