Roots | Control (No Roots) | P-value | |
---|---|---|---|
Leaf area (cm2/leaf) | 28.2 ± 5.9 | 28.5 ± 7.3 | 0.89 |
Fresh leaf mass (g/leaf) | 0.35 ± 0.08 | 0.36 ± 0.09 | 0.56 |
LMAFresh (g/m2) | 122 ± 8 | 127 ± 6 | 0.09* |
Dry leaf mass (g/leaf) | 0.12 ± 0.03 | 0.13 ± 0.03 | 0.47 |
LMADry (g/m2) | 43 ± 4 | 45 ± 3 | 0.15 |
%N | 1.40 ± 0.08 | 1.30 ± 0.09 | 0.01*** |
%C | 45.8 ± 1.0 | 45.8 ± 1.6 | 0.99 |
δ13C (‰) | −30.5 ± 0.5 | −30.3 ± 0.5 | 0.28 |
Photosynthesis (μmol CO2/m2/s) | 7.0 ± 0.8 | 6.4 ± 0.9 | 0.10* |
Fv/Fm | 0.805 ± 0.008 | 0.800 ± 0.011 | 0.14 |
Chl NDI | 0.327 ± 0.024 | 0.307 ± 0.026 | 0.07* |
PRI | 0.013 ± 0.005 | 0.009 ± 0.004 | 0.02** |