This model contradicts the hydraulic limitation hypothesis on tree height growth.
该模型对树木高生长的水力限制假说提出了置疑。
Repameterizing the average tree height growth model improved the fitting results a lot by introducing site index and density index variables.
引入地位指数和密度指数可大幅提高林龄单因变量平均高生长模型的拟合度。
Result showed that different waterlogging depths have obvious effects on tree height, diameter at breast height, under branch height, trunk morphological structure, stem base form, and growth process.
结果表明:不同水分条件对池杉的树高、胸径、枝下高、干形、树干基部形态及生长过程均产生明显的影响。
The results showed that with pear genus dwarf stocks, the most combinations' trunk diameter is thinner, tree height is lower, growth shoots length is shorter, but crown diameter is bigger.
结果表明,梨属矮化砧木做中间砧,多数组合表现出树体干径细,高度低,发育枝短,但冠径较大。
The genetic gains of superior families selected by progeny tests on early tree height, diameter breast-high and volume growth were 8.24%, 14.33% and 24.16% respectively.
通过子代测定选出的优良家系,其有性后代在树高、胸径和材积早期生长的遗传增益分别为8.24%,14.33%和24.16%。
Acacia dealbata and Alnus cremastogyne were selected as the species with quite fast growth on 3 indexes of tree height, ground diameter and crown mean width.
通过各树种在该立地类型上生长曲线的比较,评选出圣诞树、水冬瓜在3个生长因子上的生长速度最快。
The effect of afforestation of container seedling is better than bare root seedling, the height, diameter, spring tip growth of yong tree is better than the afforestation of bare root seedling.
容器苗造林效果好于裸根苗造林效果,幼林树高、地径、春梢长都明显好于裸根苗。
The effect of afforestation of container seedling is better than bare root seedling, the height, diameter, spring tip growth of yong tree is better than the afforestation of bare root seedling.
容器苗造林效果好于裸根苗造林效果,幼林树高、地径、春梢长都明显好于裸根苗。
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