胡蘿卜栽植過程中常出現先期抽薹嚴重、裂根、青頭等問題

，嚴重影響產量和品質，現將其成因和預防措施介紹如下。
　　先xian期qi抽chou薹tai胡hu蘿luo卜bu發fa生sheng早zao期qi抽chou薹tai後hou肉rou質zhi根gen變bian硬ying，失shi去qu食shi用yong價jia值zhi。造zao成cheng的de主zhu要yao原yuan因yin是shi播bo後hou遇yu一yi定ding時shi期qi的de低di溫wen，使shi植zhi株zhu通tong過guo春chun化hua而er提ti早zao抽chou薹tai。有you資zi料liao顯xian示shi，一yi般ban胡hu蘿luo卜bu有you7張葉片時，遇5℃~15℃低溫經25~30tianjiukeyitongguochunhuajieduan，jinerzaishouhuoqiandaliangchoutaikaihua。shengchanshangweizhuiqiutizaoshangshi，changmangmutizaobozhong，daozhihuluobuyitongguochunhua。yufanghuluobutizaochoutai，yaoxuanyongnaichoutaidepinzhong
，helianpaibozhongqi。lingwai
，shuifenquefa、氮肥供應不足、病蟲害發生嚴重都可能引起胡蘿卜提早抽薹，生長期間要加強水肥管理及病蟲害防治。
　　liegenzhuyaoyuanyinshishuifenguanlibudang。zaihuluoburouzhigenpengdaqijianjiaoshuibujunyun，qianqibushuibuzu，rouzhigenshengchanghuanman，houqiturandaliangjiaoshuihuoduanshijianneijiangshuiliangda
，genxixishuihouneibuxunsupengzhangyinqikailie。duici，huluoburouzhigenpengdaqiyaozhuyishuifenguanli，shiturangjianganjianshi，youdiguanhuopenguantiaojiandekezaidayulailinqianjiaoyicixiaoshui。ciwai，caishoubujishiyehuizaochengliegen，shengchanshangyingzhangwozairouzhigenchang18~20厘米、粗3~4厘米時采收。
　　qingtouzhuyaoyuanyinshifututaiqian，rouzhigenpengdaguochengzhongbuzhuyipeitu，daozhishengchangzhonghouqirouzhigendingbuluchutumian
，shoudaoyangguangzhaoshechanshengyelvsubianlv。caiyongxiaolongdanxingzhongzhihuodalongshuangxingzhongzhidehuluobutian，zaiqingchudimohouyaojishifutu，qianqibunengfutuguoduo

，gaizhuhuluobudingbujike。suizhehuluobudeshengchang，rouzhigendingbuhuiluchudimian，kezaishouhuoqian3周再次覆土，這樣可以防止肉質根頂部見光形成青頭，也能讓見光後形成青頭的部位逐漸恢複正常。