Modeling biomass allocation strategy of young planted Zelkova serrata trees in Taiwan with component ratio method and seemingly unrelated regressions.

Furthermore, its estimated β 1 for the three biomass component ratios were more highly significant than the estimated β 1 of the two LSUR models with dbh 2 and dbh 2 ·ht, i.e., smaller p -values (Table 2 ).

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