CAJ | 학술논문

杉木是江西主要速生用材树种之一。通过对吉水县万华山林场20 a生人工杉木林分进行不同抚育间伐措施处理后,调查分析其平均胸径、平均树高、材种出材量、经济效益等存在明显差异。科学适时抚育间伐,经2次抚育间伐的杉木林分,上述因子高于经1次抚育间伐和未经抚育间伐的杉木林分,说明了抚育间伐能有效提高林分质量及经济效益。
삼목시강서주요속생용재수충지일。통과대길수현만화산림장20 a생인공삼목림분진행불동무육간벌조시처리후,조사분석기평균흉경、평균수고、재충출재량、경제효익등존재명현차이。과학괄시무육간벌,경2차무육간벌적삼목림분,상술인자고우경1차무육간벌화미경무육간벌적삼목림분,설명료무육간벌능유효제고림분질량급경제효익。
Cunninghamia lanceolata was a major species for fast-growing timber in Jiangxi.Through different thinning measures were made on 20 years old Cunninghamia lanceolata plantation in Wanhuashan forest farm in Jishui.Their average diameter at breast height,average tree height,timber volume of wood species and economic benefits were investigated and analyzed,which have significant differences.Thinning was made scientifically and timely,the land that with thinning for 2 times,the above factor were higher than that with once thinning and that without thinning,it showed that the forest thinning can improve the lad quality and economic effectively.