Compared with the family with the worst growing performance,the average tree height,DBH and individual volume of quality families increased by 12.60%~32.33%,31.385%~38.72% and 102.30%~235.77% respectively.

 
  • 此7个优良家系;与最差家系相比较;其平均树高增加12.;60%25~32
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