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Biochar-Amended Soils Increase Arbuscular Mycorrhizal Colonization 2.4x

Warnock D, Lehmann J, Rillig M

Summary

8.5/10

Adding biochar to soil more than doubles beneficial mycorrhizal fungi colonization, with the greatest effect in degraded soils.

Key Findings

1

2.4x AMF colonization increase

2

3.1x in degraded soils

3

Biochar pores shelter fungal hyphae

description

Original Abstract

Meta-analysis of 89 field studies shows biochar application increases AMF root colonization by 2.4x on average. The effect is strongest in degraded soils (3.1x) and weakest in fertile soils (1.4x). Pore structure of biochar provides physical refugia for fungal hyphae.

biochar mycorrhizal-networks soil-restoration

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