Research Article
Experimental Research of Reliability of Plant Stress State Detection by Laser-Induced Fluorescence Method
Figure 8
Histograms of distribution of fluorescence ratio, for watercress in a normal state and stressed state caused by overwatering for 24 days: (1) histogram for normal state, (2) histogram approximation for normal state, (3) histogram of stressed state, and (4) histogram approximation for stressed state.