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Jul 09, 2020 The technique, known as enhanced rock weathering, involves spreading finely crushed basalt, a natural volcanic rock, on fields to boost the soil's ability to extract CO 2 from the air.
Feb 26, 2018 How crushed volcanic rock in farm soil could help slow global warming and boost crops Using volcanic rock dust as a fertiliser on farms could offset around one tenth of global greenhouse gas emissions, according to preliminary estimates.
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