Azolla-Anabaena as a Biofertilizer for Rice Paddy Fields in the Po Valley, a Temperate Rice Area in Northern Italy
Figure 1
Fresh weight RGR (Relative Growth Rate) ()/() of the five strains. Experiment started on Dec. 6th 2000. Every RGR is calculated on a two-week period, the end of which is reported in -axis. Bars represent standard deviation. (a) A progressive decrease of leaf dimensions was registered in all strains, associated with accumulation of anthocyanins.
