Statistical analysis
A description of all the variables used in this study can be found in Supplementary Table S1. All data handling and statistical calculations were performed using the R statistical software version 4.2.2 (www.r-project.org), and R-scripts are provided on (https://github.com/henriettechristel/Soil-microbes_Tree-Interaction.git), model fit and statistical assumptions can be found in Suppl. S2.