Table S1.

P-values obtained using mixed models for root traits. Significant (P < 0.05) factors and interactions are highlighted in bold. DWroots (root dry weight); R:S (root to shoot ratio); SRL (specific root length); TRL (total root length per plant).

DWrootsSRLTRL
Pspecies0.0000.0000.000
Pdose0.0920.1510.850
Ptime0.0000.0000.000
Pspecies×dose0.3220.3700.405
Pspecies×time0.0000.0000.000
Pdose×time0.5500.0281.000
Psp×dose×time0.5120.4220.516