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A comment on Adding Crushed Rock to Farmland Pulls Carbon Out of the Air. Parent comment

Re:Adding Crushed Rock to Farmland Pulls Carbon Out of the Air by kisamoto on Wednesday October 25, 2023 @03:06PM (#38016886)
To reach maximum sequestration rate I thought it was much longer than that (~95% within 30 years at 3um). Where did you get your numbers from (curious, always looking for more sources)?
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