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C:N ratio in total biomass (A), predefoliation biomass (B), and postdefoliation biomass (C) in functionally distinct zones of regrowing tillers of perennial ryegrass during the first 8 d of regrowth after severe defoliation: IM-AE (○), EX-AE (▾), EN-FE (▿), EX-FE (▪), and TB (•). For definition and designation of zones, see the legends for Figures 1 and 2. Vertical bars indicate ±2 se (n = 16).
