Table 1.

Influence of the biostimulants on trunk diameter and shoot growth of Quercus robur ‘Fastigiata’ trees.

TreatmentDiameter (cm)
1999
Diameter (cm)
2000
Shoot growth (cm)
1999
Shoot growth (cm)
2000
Mycobacter9.2959.908.329.59
Root Grow8.7839.767.998.89
Control9.1109.326.547.93
p-value0.2690.2650.0890.112