造林保存率
- 网络plantation survival rate after three year; preserving rate of afforestation
造林保存率造林保存率
plantation survival rate after three year
杉木速生丰产林 ... 3.5 造林保存率（ plantation survival rate after three year） 3.6 下层抚育法（ thinning from below） ...
preserving rate of afforestation
造林成活率和保存率,a... ... ) survival rate and preservation 成活率和保存率 ) preserving rate of afforestation 造林保存率 ...