本文对2.5年生和3.5年生巨桉纸浆原料林的生物量和生产力进行了测定和研究。
In this paper, the biomass and productivity of 2.5-year and 3.5-year old Eucalptus grandis were studied.
本文对会同10年生和11年生第二代杉木人工林的生物量和生产力进行了测定和研究。
In this paper, the biomass and productivity of 10-year and 11-year old second generation Chinese fir plantation in Huitong County were studied.
密度大的林分，生物量和净生产力也大。
The stand of big density has a larger quantity of living beings and net productivity.
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