On 30 and 31 March, our Belgium partner INAGRO took soil samples for the different analyses (biological, physical and chemical) related to Case study 7: Cover crop mixtures: a promotor of soil biodiversity in potato crops? Atlantic Central (Belgium). At that time the 4 different cover crop mixtures (little to very species-diverse) had mostly died off due to frost. In addition, earthworms were also sampled. The objective was to discover whether choosing a more species-diverse cover crop mixture already after…