个体生物量在26龄前增长缓慢，26龄后增长速度较快；
The individual biomass developed slowly before 26 a, followed by intense increase.
云南松个体生物量、种群生物量、地上生物量和地下生物量均随林龄增加而增加。
It has been observed that individual, population, aboveground and underground biomass increase with increasing stand age.
采用样地编年序列法，并利用生长方程计算不同林龄云南松的个体生物量、种群生物量、地上生物量和地下生物量的变化规律。
The methods of plots arranged with age and growth equation were used to calculate the individual, population, aboveground and underground biomass of Pinus yunnanensis.
研究结果表明，水分资源供应水平越高，斑苦竹无性系的总生物量越大，同时，无性系分株的数目越少，而个体增大。
The results show as follows: 1. Clonal P. maculata accumulated more biomass and produced less but larger ramets under higher levels of water resource supply.
个体发育、生物量积累及产量的影响。
个体发育、生物量积累及产量的影响。
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