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Fractional contribution of WSC-C to the mass of C in functionally distinct zones of regrowing tillers of perennial ryegrass during the first 8 d after severe defoliation: immature zone of actively expanding leaves (IM-AE, ○), exposed zone of actively expanding leaves (EX-AE, ▾), enclosed zone of fully expanded leaves (EN-FE, ▿), and exposed zone of fully expanded leaves (EX-FE, ▪). For definition and designation of zones see Figures 1 and 2. Vertical bars indicate ±2 se (n = 16).
