Ntoo feem ntau yog hais txog cov khoom siv ntoo siv hauv kev lag luam thiab kev tsim kho vaj tse, thiab feem ntau muab faib ua ntoo mos thiab ntoo tawv. Cov ntoo siv hauv kev ua haujlwm feem ntau yog muab los ntawm lub cev ntawm cov ntoo. Ntoo yog cov khoom siv hauv tsev txij thaum ub los vim nws yooj yim kom tau txais thiab txheej txheem.
Ntoo yog cais raws li tsob ntoo hom, uas feem ntau muab faib ua coniferous thiab broad-leaved ntoo.
Cov ntoo ntoo yog ntoo uas siv cov tshuaj tiv thaiv kom tsis txhob nkag siab thiab ua haujlwm rau cov ntoo uas muaj kev ua haujlwm tsis zoo los ntawm kev rhuav tshem cov kab mob thiab kev puas tsuaj.
Ntoo tuaj yeem muab faib ua ob pawg loj: coniferous thiab broadwood. Fir thiab ntau hom ntoo thuv, spruce thiab fir yog cov ntoo coniferous, thaum ntoo qhib, tshauv, camphor, sassafras thiab ntau hom birch, nanmu thiab poplar yog cov ntoo dav dav. Muaj ntau hom ntoo hauv Suav teb, yog li cov ntoo ntoo uas siv rau kev tsim vaj tsev nyob hauv ntau thaj tsam kuj txawv. Nyob rau hauv Northeast Tuam Tshoj, feem ntau yog Korean ntoo thuv, larch (Huanghua ntoo thuv), ntses nplai spruce, liab spruce thiab tshauv, lub Yangtze River phiab mas muaj Suav fir thiab Masson ntoo thuv, thiab sab qab teb sab hnub poob thiab qaum teb thaj tsam feem ntau muaj fir, spruce thiab hemlock. .
