Abstract
RESTOC aims to test the use of three CO2 removal (CDR) techniques - enhanced weathering (EW) of silicates, biochar (BC), and soil carbon sequestration (SCS) - for restoring degraded soils. Besides sequestering CO2, these combined techniques are expected to enhance soil water retention, to provide a natural source of essential micro- and macro-nutrients, and to create a stable soil matrix for agriculture. In this project, we will conduct a mesocosm experiment to assess in detail the impact of fundamental aspects of the method on soil development, plant growth and plant nutrients. These results will be used in a geochemical model, providing key insights into the processes involved in soil C sequestration, as well as a quantification of the long-term CDR potential of the technology.
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