Fig. 2From: Individuation of the best agronomic practices for organic durum wheat cultivation in the Mediterranean environment: a multivariate approachCorrelation matrix with Pearson’s r values (A), scree plot (B) of the principal component analysis, and biplot of variables (C) of durum wheat grain yield, grain protein concentration (GPC), plant N content (PlantNContent), plant dry weight (PlantDryWeight), and harvest index (HI)Back to article page