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. Mean (±1 SE) number of shoots (A, B, C, D), rhizome length (E, F, G, H) and number of branches (I, J, K, L) of plants grown in the two sites within each of the two areas. N− = no nutrient added, N+ = nutrient addition; NB = no burial, AC = artifact control, PB = partial burial, CB = complete burial. n = 3.
