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這樣施肥桉樹才能長得又快又好

發表時(shi)間:2020-12-07 16:16作者:廣西首控生物科技股份有(you)限(xian)公司

桉樹(shu)是一種(zhong)(zhong)速生樹(shu)種(zhong)(zhong),抗(kang)逆性強,種(zhong)(zhong)植面積廣。在桉樹(shu)種(zhong)(zhong)植之(zhi)中(zhong),由(you)于(yu)種(zhong)(zhong)植技(ji)術的影(ying)響(xiang),對(dui)桉樹(shu)的種(zhong)(zhong)植影(ying)響(xiang)很(hen)大。為了更好地提高桉樹(shu)的種(zhong)(zhong)植質量,有必(bi)要不斷(duan)加強桉樹(shu)的種(zhong)(zhong)植技(ji)術,從而更好地提高桉樹(shu)種(zhong)(zhong)植的經濟效(xiao)益。


桉(an)樹(shu)(shu)是(shi)(shi)(shi)常(chang)(chang)(chang)綠高(gao)大(da)樹(shu)(shu)種(zhong)(zhong),共有600株。其余種(zhong)(zhong)類多見于(yu)(yu)山(shan)川平原等(deng)陽光(guang)充(chong)足(zu)的(de)地(di)區,廣(guang)泛種(zhong)(zhong)植于(yu)(yu)中國(guo)(guo)東南(nan)和華(hua)南(nan)地(di)區。桉(an)樹(shu)(shu)樹(shu)(shu)冠較(jiao)(jiao)小(xiao),蒸騰(teng)作用(yong)較(jiao)(jiao)小(xiao),透光(guang)率較(jiao)(jiao)高(gao)。由于(yu)(yu)桉(an)樹(shu)(shu)是(shi)(shi)(shi)一種(zhong)(zhong)節水(shui)(shui)型樹(shu)(shu)種(zhong)(zhong),不需要經常(chang)(chang)(chang)澆水(shui)(shui),桉(an)樹(shu)(shu)更適合(he)在(zai)(zai)酸(suan)性土(tu)壤(如黃(huang)壤、紅壤)之上(shang)生長。適宜在(zai)(zai)排(pai)水(shui)(shui)良(liang)好、土(tu)壤疏松、土(tu)層較(jiao)(jiao)深的(de)地(di)區種(zhong)(zhong)植。我國(guo)(guo)廣(guang)東、廣(guang)西、海南(nan)等(deng)地(di)屬亞(ya)熱(re)(re)帶、熱(re)(re)帶氣候,常(chang)(chang)(chang)年光(guang)照(zhao)充(chong)足(zu),水(shui)(shui)、光(guang)、熱(re)(re)條件最接近(jin)桉(an)樹(shu)(shu)生長特(te)性,年降水(shui)(shui)量(liang)高(gao)出(chu)150%,是(shi)(shi)(shi)目前我國(guo)(guo)最適宜種(zhong)(zhong)植桉(an)樹(shu)(shu)的(de)地(di)方。因為桉(an)樹(shu)(shu)是(shi)(shi)(shi)一種(zhong)(zhong)耐寒耐高(gao)溫的(de)樹(shu)(shu)種(zhong)(zhong)。桉(an)樹(shu)(shu)一般選(xuan)擇在(zai)(zai)土(tu)壤肥力高(gao)、排(pai)水(shui)(shui)良(liang)好的(de)山(shan)地(di)、丘(qiu)陵或丘(qiu)陵地(di)區種(zhong)(zhong)植。由于(yu)(yu)桉(an)樹(shu)(shu)對低(di)溫非常(chang)(chang)(chang)敏感(gan),所以在(zai)(zai)選(xuan)址時要特(te)別注意5度。



一(yi)般來說,桉(an)樹(shu)種(zhong)(zhong)植(zhi)(zhi)用(yong)地(di)選擇之后,種(zhong)(zhong)植(zhi)(zhi)后要徹底清(qing)理(li)干凈。目的(de)(de)(de)(de)是清(qing)除土壤之中的(de)(de)(de)(de)雜草和(he)(he)其他植(zhi)(zhi)物,防止(zhi)殘(can)留植(zhi)(zhi)被吸收養分(fen),影(ying)響桉(an)樹(shu)的(de)(de)(de)(de)生(sheng)(sheng)長。這(zhe)在(zai)人工(gong)種(zhong)(zhong)植(zhi)(zhi)之中尤(you)為(wei)重要,為(wei)了(le)營造良好的(de)(de)(de)(de)桉(an)樹(shu)生(sheng)(sheng)長環(huan)(huan)境(jing),最重要的(de)(de)(de)(de)一(yi)步就是消滅白蟻的(de)(de)(de)(de)天敵。白蟻不僅(jin)危害桉(an)樹(shu),而且(qie)還(huan)會危害其他樹(shu)木。因此,這(zhe)已成為(wei)一(yi)種(zhong)(zhong)管理(li)方(fang)法。樹(shu)上的(de)(de)(de)(de)工(gong)作(zuo)人員經(jing)常要完成一(yi)項任務。這(zhe)項工(gong)作(zuo)的(de)(de)(de)(de)要求不僅(jin)要經(jing)常重復(fu),而且(qie)要小心。桉(an)樹(shu)種(zhong)(zhong)植(zhi)(zhi)用(yong)地(di)規劃(hua)本工(gong)作(zuo)的(de)(de)(de)(de)實質是合理(li)劃(hua)分(fen)選擇的(de)(de)(de)(de)土地(di)和(he)(he)種(zhong)(zhong)植(zhi)(zhi)桉(an)樹(shu)。因為(wei)是人工(gong)種(zhong)(zhong)植(zhi)(zhi),不能像野生(sheng)(sheng)植(zhi)(zhi)物一(yi)樣(yang)留給野生(sheng)(sheng)植(zhi)(zhi)物,但必須精心規劃(hua),才能有(you)計(ji)劃(hua)地(di)進行。它將給當地(di)的(de)(de)(de)(de)生(sheng)(sheng)長環(huan)(huan)境(jing)帶來良好的(de)(de)(de)(de)循環(huan)(huan)。


合理(li)(li)的種植(zhi)(zhi)密(mi)度(du)(du)是保證桉樹效益最大化的關(guan)鍵。苗木(mu)的初(chu)植(zhi)(zhi)、定植(zhi)(zhi)、管理(li)(li)等各因素應(ying)充分考(kao)慮自然(ran)災害的發生(sheng)、發生(sheng)、管理(li)(li)等因素。如(ru)果(guo)經營(ying)目(mu)標是種植(zhi)(zhi)刨花(hua)板加工的大直徑(jing)木(mu)材(cai),密(mi)度(du)(du)通(tong)常為100株畝(1.5-2.0)MX(3.0?4.0)m;如(ru)果(guo)經營(ying)目(mu)標是種植(zhi)(zhi)用于(yu)切片、造紙(zhi)等目(mu)的的小直徑(jing)木(mu)材(cai),則適(shi)合集約種植(zhi)(zhi),密(mi)度(du)(du)130-150英寸畝,行距(1.5-2.0)MX(2.0-2.5)M.


桉(an)(an)(an)樹種植過(guo)程之中的(de)(de)(de)造(zao)林,植樹造(zao)林也是(shi)一項(xiang)更重要(yao)的(de)(de)(de)任務,工(gong)作人員要(yao)科(ke)學安排(pai)播種時(shi)間(jian),一般控(kong)制在每年2月至4月。種植工(gong)作應(ying)在雨(yu)天進行,保(bao)證土壤(rang)水分能滿足桉(an)(an)(an)樹苗木生長需(xu)要(yao),提高桉(an)(an)(an)樹在種植過(guo)程之中的(de)(de)(de)成(cheng)活率。移(yi)栽(zai)過(guo)程之中還應(ying)注(zhu)意(yi)天氣(qi)變化,避免晴天移(yi)栽(zai)。同時(shi),桉(an)(an)(an)樹移(yi)栽(zai)之后(hou)(hou)應(ying)采(cai)用回填土追(zhui)(zhui)肥(fei)(fei),研究桉(an)(an)(an)樹不(bu)同生長階段(duan)所需(xu)各種肥(fei)(fei)料(liao)的(de)(de)(de)用量(liang)和(he)比例,并及時(shi)施(shi)肥(fei)(fei)。追(zhui)(zhui)肥(fei)(fei)的(de)(de)(de)最佳時(shi)間(jian)是(shi)雨(yu)之后(hou)(hou),由于(yu)雨(yu)后(hou)(hou)土壤(rang)疏松(song)濕潤,有利(li)于(yu)肥(fei)(fei)料(liao)吸收,應(ying)均勻(yun)分布,不(bu)集(ji)中在一處(chu),并用土覆蓋;追(zhui)(zhui)肥(fei)(fei)的(de)(de)(de)量(liang)和(he)具體(ti)種類視(shi)情況而定;追(zhui)(zhui)肥(fei)(fei)后(hou)(hou)應(ying)清除雜草,以防追(zhui)(zhui)肥(fei)(fei)與(yu)桉(an)(an)(an)樹爭(zheng)奪肥(fei)(fei)料(liao)。


草木生長一般很茂(mao)盛。因此,如果不及(ji)時除草,會(hui)產生林(lin)(lin)(lin)木肥料,因此,為(wei)了節約(yue)成本(ben),節約(yue)水(shui)土(tu),一般選擇以(yi)桉樹為(wei)中心的輻射除草。桉樹的主要病(bing)害(hai)(hai)有青枯(ku)(ku)病(bing)、焦(jiao)枯(ku)(ku)病(bing)和紅(hong)葉枯(ku)(ku)病(bing)。主要害(hai)(hai)蟲(chong)(chong)(chong)為(wei)白蟻(yi)、小田虎和桉樹卷葉蛾。加強林(lin)(lin)(lin)地管理,減少林(lin)(lin)(lin)地生態(tai)環境,加強檢疫(yi),防(fang)止(zhi)病(bing)蟲(chong)(chong)(chong)害(hai)(hai)蔓延桉樹病(bing)蟲(chong)(chong)(chong)害(hai)(hai)研究(jiu),了解其特點(dian),及(ji)時發現和消滅;做好(hao)病(bing)蟲(chong)(chong)(chong)害(hai)(hai)監測預報(bao),掌握病(bing)蟲(chong)(chong)(chong)害(hai)(hai)發展特點(dian)和動態(tai),開展有針對(dui)性的防(fang)治。


在(zai)桉(an)(an)樹(shu)種(zhong)植(zhi)(zhi)過(guo)程之(zhi)中(zhong),積極有效(xiao)(xiao)地(di)管理桉(an)(an)樹(shu),因此,在(zai)新(xin)時期桉(an)(an)樹(shu)種(zhong)植(zhi)(zhi)技術研究過(guo)程之(zhi)中(zhong),為了營造(zao)良好的(de)桉(an)(an)樹(shu)生長環境,提(ti)高(gao)桉(an)(an)樹(shu)種(zhong)植(zhi)(zhi)管理的(de)有效(xiao)(xiao)性(xing),需(xu)要進行更(geng)深(shen)入的(de)探索。


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