Height, width and biomass all showed positive markedly relation to root volume, the length and quantity of sideroot, root cap rate and total fibres, but no relation to the length of taproot and root cap rate.

• 根系形态与生长的相关分析表明，苗高、地径和生物量累积与根体积、根冠比、侧根长、总须根数和侧根数均呈显著正相关，但是与主根长度和根冠比没有明显的相关关系。