Kev faib tawm ntawm dos

Classification ntawm dos
Cov dos feem ntau tsim ib lub noob xwb. Noob propagation, thiab ob peb ntau yam tsim aerial qhov muag teev nyob rau hauv inflorescence nyob rau hauv ib tug tshwj xeeb ib puag ncig. Ordinary dos, feem ntau tuaj yeem muab faib ua nws lub teeb duab thiab tiaj tus kheej kheej, puag ncig kheej kheej, oval thiab spindle zoo. Nws kuj tuaj yeem sib txawv maturity yuav muab faib ua thaum ntxov maturity, nruab nrab maturity thiab lig maturity. Nyob rau sab qab teb ntawm tus dej Yangtze, feem ntau yog nruab nrab thiab thaum ntxov maturing hom. Nws tseem tuaj yeem muab faib ua peb hom los ntawm qhov sib txawv ntawm thaj chaw latitude:
"Hnub luv" hom: yoog rau sab qab teb ntawm tus Dej Yangtze hauv Suav teb, latitude nyob rau sab qaum teb latitude 32 degree ~ 35 degree cheeb tsam, hom no, feem ntau sown nyob rau lub caij nplooj zeeg, caij nplooj ntoos hlav thiab lub caij ntuj sov sau.
"Ntev hnub" hom: yoog mus rau txhua qhov chaw ntawm sab qaum teb Tuam Tshoj, lub latitude yog sab qaum teb ntawm sab qaum teb latitude 35 degree ~ 40 degree, xws li ntau yam yog sown los yog cog nyob rau hauv thaum ntxov caij nplooj ntoos hlav (nrog lub teeb pob), thiab sau nyob rau hauv lub caij nplooj zeeg.
Hom Nruab Nrab: yoog rau Dej Yangtze thiab Dej Hiav Txwv Dej, nruab nrab ntawm sab qaum teb latitude 32 degree thiab 40 degree. Xws li ntau yam yog sown nyob rau hauv lub caij nplooj zeeg thiab harvested nyob rau hauv lig caij nplooj ntoos hlav thiab lub caij ntuj sov thaum ntxov.

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