Adding limestone to Mississippi River Basin farmlands acts as a major carbon sink, study finds

PHYSorg
Sep 23, 2026, 11:00 am85 ptsTrending
In a discovery as broad and far-reaching as the Big Muddy itself, a new Yale–led study says farmers in the Mississippi River Basin are storing more carbon dioxide (CO2) in the soil than they emit when they add limestone to their fields, an agricultural practice known as "liming."

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