A spatial framework for prioritizing biochar application to arable land: a case study for Sweden

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Authors

Shivesh Kishore Karan , Fabian Osslund, Elias Sebastian Azzi, Erik Karltun, Cecilia Sundberg

Abstract

The biochar-agriculture nexus can potentially generate several benefits ranging from soil carbon sequestration to reduction in nutrient leaching from arable soils. However, leveraging these benefits for a particular objective requires spatially-explicit information on suitable locations for biochar application. This study provides a flexible multi-criteria framework that delivers spatial indications on biochar prioritization through a biochar use indication map (BUIM). The framework was exemplified as a case study for Swedish arable land through three different prioritization narratives. The BUIM for all the narratives revealed that a significant fraction of the Swedish arable land could potentially benefit from biochar application. Furthermore, arable land that scored high for a given narrative did not necessarily score high in the others, thus indicating that biochar application schemes can be adjusted to various objectives and local needs. The framework presented here aims to promote the exploration of different avenues for deploying biochar in the agricultural sector.

DOI

https://doi.org/10.31223/X5Q35V

Subjects

Engineering

Keywords

AHP, Agriculture, Biochar, GIS, Multi-Criteria Assessment, Suitability, agriculture, Biochar, GIS, Multi-Criteria Assessment, Suitability

Dates

Published: 2022-06-21 18:09

Last Updated: 2022-09-20 02:31

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License

CC BY Attribution 4.0 International

Additional Metadata

Conflict of interest statement:
Elias Sebastian Azzi reports a relationship with Puro.Earth Oy that includes: consulting or advisory.

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