Changes in the complex fluorescence parameter Performance Index (PI), which characterizes the overall physiological vitality of plants, showed a trend similar to that of F v /F m , but with less variability at lower values and larger variability at higher values ( Figure 5 ).
← all excerpts
Ecophysiology of Endangered Plant Species <i>Saussurea esthonica</i>: Effect of Mineral Nutrient Availability and Soil Moisture.
2
—
—
The sentences
Changes in the number of living leaves for plants in “Apšuciems” substrate showed a negative trend during the experiment.