Table 3.

Influence of the biostimulants on net photosynthesis (Pn) (pmol CO2 * m-2 * s-1), evaporation rate (E) (mmol H2O * m-2 * s-1), WUE (water-use efficiency: Pn/E) of Quercus robur ‘Fastigiata’ trees. Average of four sampling dates in 1999 and 2000.

Treatment19992000
PnEWUEPnEWUE
Mycobacter12.31 a*2.15 a5.73 a12.44 a2.674.66 ab
Root Grow12.06 a2.13 a5.66 a13.54 a2.715.00 a
Control9.06 b1.83 b4.94 b11.09 b2.574.32 b
p-value0.0000.0040.0020.0140.7950.041
  • * Means with different letters are significantly different at p < 0.05.