| 1. | Height , crown amplitude , size of leaves , leaf number , diameter of root , biomass of leave , biomass of root , total biomass and relative growth rate ( rgr ) of c . smyrnioides were all increase with soil water . but it was decreased with soil water for specific leaf area ( sla ) , leaf area ratio ( lar ) , specific root length ( srl ) and root length ratio ( rlr ) 明党参株高和冠幅、叶片形态大小、叶片数、根粗、根体积、叶生物量、根生物量、总生物量和rgr均随着土壤水分的增加而增大,而sla 、 lar 、 srl和rlr则随着土壤水分的增大而减小。 |