幼龄树

基本解释 (translations)

earsh

与幼龄树相关的网络例句 [注：此内容来源于网络，仅供参考]

It indicated that:(1) The growth of rubber trees were increased in this intercropping pattern;(2) It was effective to decrease temperature of the rubber plantation in summer, increase the atmospherical moisture content and water content in soil;(3) It was also effective to improve the soil condition and increase its usable phosphor content.

结果表明：（1）间作唐鬼桑能促进中幼龄胶园的胶树生长；（2）可降低胶园的空气温度，提高系统内的空气相对湿度，增加胶园土壤含水量；（3）能改善土壤性状，增加土壤有效磷的含量。

Stand in different growth period by weibull distribution function.(6) Height and diameter of a tree are two factors to show growth in upright and cross. When they are young, the ratio of height and diameter is more than 1. It shows the fact that natural stand, especially natural sprout forest grows fast in early period. Later, with the age increasing, the ratio of height and diameter gradually reduces. In nearly mature stand and mature stand, increment of diameter is over increment of height.

5树高和直径是表明林木纵向生长和横向生长的两个特征因子，在幼龄阶段，高径比大于1，说明天然林，尤其是天然萌生林早期高生长快的特点，此后随着年龄的增加，高径比逐渐减小，在近成熟或成熟阶段，直径生长量超过树高生长量。