chinese-fir plantation

常見例句

This paper deals with the effect of controlled burning on the growth of 5-year-old plantation of Chinese-fir by using variance analysis.
方差分析結(jié)果表明，煉山對杉木造林存活率具有明顯的提高效應(yīng)；
Using normal experimental-design techniques, the regeneration methods for second-generation Chinese fir plantation are analyzed in this paper.
采用正交試驗設(shè)計方法，對第二代人工杉木林更新方式進(jìn)行對比分析。
The cultivation of the fast-growing and high-yielding Chinese Fir plantation could endure the risk of a rise in total cost by 58 % or a drop in net benefit by 36 %.
轉(zhuǎn)換試驗進(jìn)一步表明，營造杉木速生豐產(chǎn)林最大承受風(fēng)險的能力為總成本提高58％或凈效益下降36％。