Table 2 Root dry mass and morphological plasticity (Mplast) after 90 days of growth in spatially heterogeneous and homogeneous P supply (mean ± SE). For each level of patch strength, means followed by different lower and upper case letter (s) across columns are statistically different

0 + 0/30

Large

0.84 ± 0.29b

1.11 ± 0.18b

1.41 ± 0.5B

Medium

0.71 ± 0.24ab

1.02 ± 0.01b

1.58 ± 0.6B

Small

0.34 ± 0.07a

0.39 ± 0.04a

1.22 ± 0.3A

Homogeneous

0.36 ± 0.07a

0.36 ± 0.07a

1.00 ± 0.0

0 + 7.5/30

Large

0.74 ± 0.11b

0.70 ± 0.19a

0.95 ± 0.3A

Medium

0.59 ± 0.10ab

0.68 ± 0.01a

1.16 ± 0.2B

Small

0.50 ± 0.09a

0.57 ± 0.15a

1.15 ± 0.2AB

Homogeneous

0.53 ± 0.04ab

0,53 ± 0.04a

1.00 ± 0.0

7.5 + 0/30

Large

0.56 ± 0.07b

0.51 ± 0.16a

0.93 ± 0.4A

Medium

0.37 ± 0.03a

0.41 ± 0.03a

1.13 ± 0.1A

Small

0.25 ± 0.09a

0.32 ± 0.09a

1.60 ± 1.1B

Homogeneous

0.40 ± 0.06a

0.40 ± 0.06a

1.00 ± 0.0