The results of different density experiment showed that density influence-ed either the height of seedlings or the coller diameter of seedlings.

• 不同密度育苗试验证明，苗高与地径生长都受密度的影响，一般规律是随密度的减小，苗高和地径生长量都不同程度的增大，然后呈现出下降的趋势。