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一、胡萝卜
1.简介
伞形花科胡萝卜属。原产于阿富汗。二年生草本植物,2~3回羽状复叶,小叶狭披针形,绿色,被茸毛,叶柄较长,花小,白色。直根肥大,呈圆锥形和圆柱形,颜色多样。
2.对环境条件要求
3.栽培过程及管理
(1)播种 将种子撒播在细碎的培养土上,盖土厚度为0.5~1厘米左右,用细孔喷壶浇透水,保温保湿,15天左右出苗。
(2)间苗及定苗 出苗后及时分次间苗,幼苗5~6片真叶时定苗,苗距10~12厘米。
(3)水肥管理 肉质根膨大前,保持土壤湿润即可。肉质根膨大时要保证水分的充足供应,浇水要均匀。胡萝卜生长前期需肥不多,在施足基肥的基础上中后期追施复合肥2~3次,追肥可结合浇水进行。
(4)采收 心叶呈黄绿色,外叶稍枯黄,根头部稍露出土,可采收。
(5)营养及食用 胡萝卜富含糖类、挥发油、多种维生素。直根供食用,可生食、炒食和煮食,还可做蜜饯,制饮料等。
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-240.jpg?sign=1739367063-7infbCKw6wIZWSFTrmMnXSCd4cNFjKoP-0-bc8058ae451ffa6b29bd95b1bb65b294)
图2-1-1 胡萝卜种子
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-243.jpg?sign=1739367063-LAgmuQEKSPUtSR02fCMOdxxPShTRwzlz-0-5e44521a47df483685b614549a70fe04)
图2-1-2 2015-11-4胡萝卜播种后21天,两片子叶,一片真叶
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-244.jpg?sign=1739367063-Kq3TbDbUAFOaZ4kdKsUYR7cRTtD16Olg-0-11079d895a590e9dc9066190027208fa)
图2-1-3 2015-11-8胡萝卜播种后25天
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-245.jpg?sign=1739367063-gpEsxuvTb7bwaySRRhrZmUqPAeFLZLv7-0-cd2b17fec1a783170752588dc4248b8a)
图2-1-4 2015-11-14胡萝卜播种后31天
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-246.jpg?sign=1739367063-U8PQGE4PXvqGlQ89nAZ3sN0AysUUc6Li-0-3280a804bffb944eae3a37fd0639bebf)
图2-1-5 2015-11-21胡萝卜播种后38天
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-247.jpg?sign=1739367063-f0YJmHMCLVI42HBgLeYy5a0q7CmKqjHT-0-24ddab32f7515e983c6056563d50ddef)
图2-1-6 2015-11-28胡萝卜播种后45天
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-248.jpg?sign=1739367063-Cz5jVTItkwYQ2Jf4RLh0YH3ssSfJsx4L-0-1ec514417dc75fb83315858f4e0beb79)
图2-1-7 2015-12-5胡萝卜播种后52天
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-249.jpg?sign=1739367063-Ccqljbm2gyvLAezGuqjW0JpfMtudqQFD-0-e536ff152c1fdc621743ddeb8f1dbf8e)
图2-1-8 2015-12-12胡萝卜播种后59天
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-250.jpg?sign=1739367063-lLIGNcRWfksImjBQi2DAiqDcccwybl1c-0-881a93b421e81610438c73242395b197)
图2-1-9 2015-12-26胡萝卜播种后73天
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-241.jpg?sign=1739367063-7I8qV5CuqXUlpO22HHJVFiRww3DDXWlT-0-7104cf33db278d84e778142921aa77e7)
图2-1-10 2015-12-26胡萝卜播种后73天,采收(蓝色盆)
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-242.jpg?sign=1739367063-hvdib8sSbxavkMFbI8qCmr9dQMeQla5Z-0-a4aee7eac293580984d1d8858062860f)
图2-1-11 2016-1-15胡萝卜播种后101天,采收(红褐色盆)