現(xian)在(zai)很(hen)多(duo)養(yang)花(hua)愛(ai)好(hao)者(zhe)都(dou)喜(xi)歡(huan)嚐(chang)試(shi)水(shui)培(pei)花(hua)卉(hui),有(you)的(de)是(shi)直(zhi)接(jie)從(cong)市(shi)場(chang)買(mai)來(lai)的(de),但(dan)是(shi)無(wu)論(lun)是(shi)買(mai)來(lai)的(de),還(hai)是(shi)自(zi)己(ji)培(pei)育(yu)的(de),對(dui)於(yu)水(shui)培(pei)花(hua)卉(hui)來(lai)說(shuo),經(jing)常(chang)的(de)換(huan)水(shui)洗(xi)根(gen)是(shi)尤(you)其(qi)重(zhong)要(yao)的(de),下(xia)麵(mian)我(wo)們(men)來(lai)介(jie)紹(shao)下(xia)水(shui)培(pei)花(hua)卉(hui)換(huan)水(shui)洗(xi)根(gen)的(de)方(fang)法(fa)。
水培花卉的管理技術換水洗根,是保證水培花卉生長良好的重要一環。那麼對與水培花卉為什麼要換水洗根呢?
一yi是shi植zhi物wu生sheng長chang的de條tiao件jian主zhu要yao是shi水shui分fen,養yang分fen和he空kong氣qi,水shui培pei花hua卉hui的de水shui分fen和he養yang分fen絕jue對dui能neng保bao證zheng其qi需xu要yao,而er水shui中zhong氧yang氣qi的de含han氧yang量liang會hui隨sui著zhe花hua卉hui的de生sheng長chang而er日ri漸jian減jian少shao,當dang減jian少shao到dao一yi定ding程cheng度du時shi,既ji會hui對dui花hua卉hui生sheng長chang由you於yu缺que氧yang而er產chan生sheng影ying響xiang,所suo以yi要yao換huan水shui來lai補bu充chong新xin的de氧yang氣qi。
二er是shi水shui培pei花hua卉hui生sheng長chang在zai水shui裏li的de根gen係xi,一yi方fang麵mian吸xi收shou水shui中zhong的de養yang分fen,另ling一yi方fang麵mian又you向xiang水shui中zhong排pai放fang一yi些xie有you機ji物wu質zhi,也ye有you廢fei物wu或huo毒du素su,並bing在zai水shui中zhong沉chen積ji。而er這zhe些xie有you機ji物wu在zai土tu壤rang栽zai培pei時shi主zhu要yao是shi溶rong解jie土tu壤rang中zhong不bu易yi被bei根gen係xi吸xi收shou的de養yang分fen,而er廢fei物wu和he毒du素su則ze分fen布bu在zai土tu壤rang的de空kong間jian或huo從cong盆pen底di的de漏lou孔kong中zhong流liu出chu,不bu會hui被bei根gen係xi吸xi收shou而er影ying響xiang花hua卉hui的de正zheng常chang生sheng長chang。而er水shui培pei的de容rong器qi中zhong沒mei有you底di孔kong,這zhe些xie有you機ji物wu,廢fei物wu或huo毒du素su均jun沉chen積ji在zai水shui中zhong,很hen容rong易yi再zai次ci被bei植zhi物wu吸xi入ru體ti內nei,如ru此ci反fan複fu吸xi收shou,排pai泄xie,再zai吸xi收shou,再zai排pai泄xie的de惡e性xing循xun環huan,十shi分fen不bu利li於yu花hua卉hui的de正zheng常chang生sheng長chang及ji發fa揮hui正zheng常chang的de生sheng理li功gong能neng。
sanshishuipeihuahuijingchangxiangshuilishirudeyingyangfei,chuyibufenkuangzhiyuansubeigenxixishouwaiqiyudezecanliuzaishuili,dangcanliudewuzhidadaoyidingshuliangshi,yehuiduihuahuichanshengyidingdeweihai。sishishuipeihuahuichangqishengchangzaishuizhongdegenxi,huichanshengyizhongnianye,nianyeduoshibudanyingxianghuahuigenxiduiyingyangdexishou,erqiehaihuiduishuizaochengwuran。youyushangshuyuanyin,bixuduishuipeihuahuijinxingdingqihuanshuihexigendeguanli。
那麼,我們怎樣掌握換水洗根技術和換水洗根時間呢?
一般是:水髒了就換,一般在20天,30天左右換一次為佳,當然也要根據一些情況來靈活掌握:
一(yi)是(shi)根(gen)據(ju)不(bu)同(tong)的(de)花(hua)卉(hui)種(zhong)類(lei)及(ji)其(qi)對(dui)水(shui)培(pei)條(tiao)件(jian)適(shi)應(ying)的(de)情(qing)況(kuang),進(jin)行(xing)定(ding)期(qi)換(huan)水(shui)。有(you)些(xie)花(hua)卉(hui),特(te)別(bie)是(shi)水(shui)生(sheng)或(huo)濕(shi)生(sheng)花(hua)卉(hui),十(shi)分(fen)適(shi)應(ying)水(shui)培(pei)的(de)環(huan)境(jing),水(shui)栽(zai)後(hou)可(ke)較(jiao)快(kuai)地(di)在(zai)原(yuan)根(gen)係(xi)上(shang)繼(ji)續(xu)生(sheng)出(chu)新(xin)根(gen),且(qie)生(sheng)長(chang)良(liang)好(hao)。對(dui)於(yu)這(zhe)些(xie)花(hua)卉(hui),換(huan)水(shui)時(shi)間(jian)間(jian)隔(ge)可(ke)以(yi)長(chang)一(yi)些(xie)。而(er)有(you)些(xie)花(hua)卉(hui)水(shui)栽(zai)後(hou)不(bu)很(hen)適(shi)應(ying)水(shui)培(pei)環(huan)境(jing),其(qi)恢(hui)複(fu)生(sheng)長(chang)緩(huan)慢(man),甚(shen)至(zhi)水(shui)栽(zai)後(hou)會(hui)出(chu)現(xian)根(gen)係(xi)腐(fu)爛(lan)。對(dui)於(yu)這(zhe)些(xie)花(hua)卉(hui),在(zai)剛(gang)進(jin)入(ru)水(shui)培(pei)環(huan)境(jing)初(chu)期(qi),應(ying)經(jing)常(chang)換(huan)水(shui),甚(shen)至(zhi)1-2天換一次水。直至萌發出新根並恢複正常生長之後才能逐漸減少換水次數。
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