迎春花葉子發黃是怎麼回事?
迎春花葉子發黃的原因有多種,來一起看下吧!
1、土壤透氣性差:迎春花通tong常chang露lu地di栽zai種zhong或huo盆pen栽zai室shi外wai養yang護hu,風feng吹chui雨yu淋lin也ye能neng正zheng常chang生sheng長chang。尤you其qi到dao了le雨yu季ji,淋lin雨yu後hou土tu壤rang的de排pai水shui性xing較jiao差cha,盆pen中zhong積ji水shui未wei及ji時shi排pai除chu,根gen部bu呼hu吸xi受shou阻zu,從cong而er影ying響xiang植zhi株zhu的de生sheng長chang。

2、澆水太勤:花(hua)卉(hui)的(de)澆(jiao)水(shui)時(shi)間(jian)都(dou)沒(mei)有(you)固(gu)定(ding)的(de)時(shi)間(jian),花(hua)友(you)們(men)憑(ping)感(gan)覺(jiao)澆(jiao)水(shui),空(kong)氣(qi)較(jiao)幹(gan),溫(wen)度(du)過(guo)高(gao),就(jiu)多(duo)澆(jiao)點(dian)水(shui),這(zhe)種(zhong)做(zuo)法(fa)是(shi)錯(cuo)誤(wu)的(de)。迎(ying)春(chun)花(hua)怕(pa)澇(lao)。澆(jiao)水(shui)過(guo)多(duo),植(zhi)株(zhu)生(sheng)長(chang)減(jian)緩(huan),新(xin)長(chang)出(chu)的(de)枝(zhi)葉(ye)會(hui)發(fa)黃(huang)。

3、缺少養分:迎春花生長需要適時追肥,否則養分確實難以抽發新枝,影響植株的生長。
解決方法:
及時清除雜草,減少傳染源,保證迎春花周圍環境潔淨。其次防治蚜蟲,減少傳播介質。
zhengquejiaoshui,buyaopingganjiao,jiaoshuiqianjianzhanitudeganshiqingkuang,jianchijianganjianshi。ruruomeiyoufencun,jiaoshuihoulijishaitaiyang,huozhecaiyongjinpenfajiaoshui,keyouxiaokongzhijiaoshuiliang。
迎春花生長期需追肥2~3次ci,以yi氮dan磷lin鉀jia肥fei為wei主zhu。盆pen栽zai迎ying春chun花hua上shang盆pen時shi要yao施shi足zu底di肥fei,開kai花hua前qian施shi一yi次ci氮dan肥fei,花hua後hou及ji時shi修xiu剪jian枝zhi葉ye追zhui肥fei一yi次ci,養yang護hu中zhong根gen據ju植zhi株zhu的de生sheng長chang狀zhuang況kuang合he理li施shi肥fei。
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