highly significantp -values < 0.001
Differences among the treatments were considered significant for p -values < 0.05 and highly significant for p -values < 0.001.
Differences among the treatments were considered significant for p -values < 0.05 and highly significant for p -values < 0.001.
The stem height/root length ratio ( Table 2 ) showed a trend similar to that reported before for the epigeous biomass production, increasing proportionally to the enhancement of P concentration in C plants.