Articles | Volume 17, issue 7
Biogeosciences, 17, 2107–2133, 2020
https://doi.org/10.5194/bg-17-2107-2020
Biogeosciences, 17, 2107–2133, 2020
https://doi.org/10.5194/bg-17-2107-2020

Research article 17 Apr 2020

Research article | 17 Apr 2020

Impacts of enhanced weathering on biomass production for negative emission technologies and soil hydrology

Wagner de Oliveira Garcia et al.

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Short summary
Biomass-based terrestrial negative emission technologies (tNETS) have high potential to sequester CO2. Many CO2 uptake estimates do not include the effect of nutrient deficiencies in soils on biomass production. We show that nutrients can be partly resupplied by enhanced weathering (EW) rock powder application, increasing the effectiveness of tNETs. Depending on the deployed amounts of rock powder, EW could also improve soil hydrology, adding a new dimension to the coupling of tNETs with EW.
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