聯(lián)系人:于經(jīng)理聯(lián)系電話:【進(jìn)入商鋪查看】 QQ:【進(jìn)入商鋪查看】次品種為一年生營養(yǎng)缽幼苗 是理想的秋紅葉品種。抗污染,耐濕,耐粘重土壤。廣泛用于園林及道路綠化,又可用于點(diǎn)綴草坪,園林置景。 此樹種是由歐洲白樺與亞洲(日本)樺樹雜交而成的優(yōu)良品種。樹高可達(dá)到10米以上,生長周期50年以上。屬于喬木中的彩葉樹種。被國家林業(yè)部門確定為綠化的首選樹種。 Generalinformation: Birchesarepioneertrees,meaningthattheygrowinopenfields,andgrowratherquicklyatthat.Theyarethusshort-lived,usuallydyingbackbetweenage60-100,andtheywillnotgrowintheshade.Bircheshavepeelingbarkandpendulouscatkins.Manybircheshaveadistinctivewhitebarkwhichiscoloredbyapigmentcalled,appropriatelyenough,betulin.Afewbirches,suchastheyellowbirchandsweetbirchwillgrowinthesouth,butmostbirchesprefercolderclimates.Birchesaremuchlovedforbonsaibecauseoftheirelegantbeauty,buttheydonottakeeasilytopotculture.Theirshortlivesarealsoseenasadisadvantage;however,somebircheswillliveaslongas300years.Lighting:Bircheslikealotoflight,althoughsomeshadeisadvisableinthehottestareasorinmidsummer.Temperature:Birchesareverycoldhardy,butmayneedprotectionfromcoldwindstopreventtwigdie-back.Watering:Bircheslikefrequentwatering,althoughtheyshouldnotbelefttostandinmoisture.Reducewaterinwinter,butneverletthesoildrycompletely.Feeding:Waitonemonthafterleavesopen,thenfeedeverytwoweekstilltheendofsummer.Pruningandwiring:Trimbackshootstothefirstpairofleavesthroughoutgrowth.Itiswisetomakelargepruningcutslateintheseason,asbirches"bleed"profuselywhenthesapbeginstorun.