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Figure 4. Lorentzian model fits to the mature internode length data in each of the four planting dates. Estimates and 95% confidence intervals for the three model parameters are depicted in the graph, along with R2 values. For each planting date, the vertical line connects the peak center of amplitude (i.e., longest internode) to its corresponding main stem node number. The horizontal line reflects the peak half-amplitude value, at which the peak half-width (nodal) values apply.
