Fig. 5. Comparison of total root biomass per transect (five cores) and root biomass estimated with GPR (adjusted to account for fertilizer effects on signal magnitude) within each block (+/- s.e.).
Fig. 5. Comparison of total root biomass per transect (five cores) and root biomass estimated with GPR (adjusted to account for fertilizer effects on signal magnitude) within each block (+/- s.e.).