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Table 1 Correlation between climatic factors and seasonal and circadian studies, based on the yields of L. thymoides oils and thymol content (%)

From: Planting and seasonal and circadian evaluation of a thymol-type oil from Lippia thymoides Mart. & Schauer

Climatic factors Seasonal study Circadian study Thymol
  Correlation coefficient (r2)
Temperature (°C) − 0.26 0.71 0.45
Precipitation (mm) − 0.22   0.77*
Solar radiation (Kj/m2) 0.39   − 0.81*
Relative humidity (%) 0.74* − 0.75 − 0.12
  1. * Significant at p ≤ 0.05