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Exploring Novel Bands and Key Index for Evaluating Leaf Equivalent Water Thickness in Wheat Using Hyperspectra Influenced by Nitrogen

Figure 5

Quantitative relationships between NDSI (R₁₂₀₄, R₁₃₁₈) and LEWT (A); the 1∶1 relationship between the predicted and observed LEWT based on NDSI (R₁₂₀₄, R₁₃₁₈) (B).

doi: https://doi.org/10.1371/journal.pone.0096352.g005