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Treatment effects on functional effects traits of Scabiosa columbaria after one generation of conditioning: a root area, b leaf area, c specific root length (SRL), d specific leaf area (SLA). Field soils are soils left bare in the first generation, conspecific refers to soils conditioned with S. columbaria, heterospecific refers to soils conditioned with S. minor. Droughted soils are in grey bars, well-watered soils are in white. Error bars are SEM
