A soil of the Landwirtschaftliche Untersuchungs-und Forschungsanstalt Speyer (LUFA, Germany, 6S soil collected in October 2023; 2 mm sieved) was used for the soil incubations. The soil moisture was adjusted with Milli-Q water to 50% of the maximum water holding capacity (41.4 wt%). Details on soil properties are provided in section S3