Jarinda Viaene

Data Availability Statement The data that support the findings of this study are available from the corresponding author upon reasonable request. Supporting Information Filename Description ejss70376-sup-0001-FigureS1-S4-TableS1-S6-AppendixA-F.pdfPDF document, 834.9 KB Figure S1: Overview figure of Case 1: Effect of wood-based biochar application in growing media on the value as C-rich soil improver and on the effect of processing the spent growing media.

C input carbon input from exogenous organic matter DivB bacterial Shannon-Wiener diversity DivF fungal Shannon-Wiener diversity HWC hot-water extractable carbon P_AL ammonium-lactate extractable phosphorus content PLFA total microbial biomass according to phospholipid fatty acid analysis TOC total organic carbon 1 Introduction Soil health is defined as the continued capacity of soil to function as a vital living ecosystem that sustains plants, animals and humans (Lehmann et al. 2020).