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. 2021 Jul 6;9:710025. doi: 10.3389/fchem.2021.710025

FIGURE 4.

FIGURE 4

PLS-DA score scatter plots of the MS-NMR fused data of S. marginata seasonal harvests and the correlation with the environmental factors. Samples are categorized according to the values of observations for environmental factors. (A) Temp = temperature (°C); (B) Rad = Solar radiation (kJ/m2); (C) Humi: relative humidity (%) and (D) Rain = rainfall (mm). Sample seasons: Summer (Sm1, Sm6 and Sm12); Autumn (Sm2, Sm3, Sm7 and Sm8); Winter (Sm4, Sm9 and Sm10) and Spring (Sm5, Sm11 and SmS).