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possibility of increasing soil carbon uptake using fly ash

“ Globally, soils contain four times as much carbon as the atmosphere, and half of the soil carbon is in the form of organic matter," said Amonette, a PNNL senior research scientist. Until about 30 years ago, soil tillage released more carbon dioxide to the atmosphere than burning of fossil fuels. Some agricultural soils have lost a third of their carbon from tillage.”

Fly ash is a byproduct of coal combustion.

related material
carbon in the atmosphere

08.04.2004
 
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