![图说阳台、天台蔬果巧栽培](https://wfqqreader-1252317822.image.myqcloud.com/cover/613/22624613/b_22624613.jpg)
二、萝卜
1.简介
别名莱菔。原产于欧洲、亚洲温暖海岸。十字花科萝卜属二年生或一年生草本植物。叶片长倒卵形或羽状深裂,花白色或浅紫色,肉质根形状及大小因品种而异,根皮色有红、青、白等多种颜色。
2.对环境条件要求
3.栽培过程及管理
(1)播种 种子均匀撒播在土面上,播后盖种子厚度2倍的培养土,浇透水,保温保湿,2~4天可出苗。
(2)间苗与定苗 出苗后要及时分次间苗,3片真叶时定苗,苗距20厘米。
(3)水肥管理 生长期内要求充足水分,保持土壤湿润,尤其是肉质根膨大期不可缺水,浇水应均匀,不可积水。在直根膨大前期,追施1次速效性氮肥,在肉质根开始膨大期,应结合浇水再追施2~3次复合肥。
(4)采收 肉质根充分膨大,基部变圆,叶片变为黄绿色时采收。
(5)营养及食用 萝卜富含的淀粉酶可促进消化,含硫化合物可防癌。根可入药,有止渴、助消化的功效。食用肉质直根。可炒食、炖食、做汤,还可以加工腌制及做成萝卜干等。
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图2-2-1 短叶十三萝卜种子
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图2-2-2 2015-10-14 短叶十三萝卜播种
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图2-2-3 2015-10-18短叶十三萝卜出苗,播种后4天,两片子叶展开
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图2-2-4 2015-10-18短叶十三萝卜间苗
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图2-2-5 2015-10-21 短叶十三萝卜播种后7天,两片子叶,一片真叶
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-380.jpg?sign=1739368057-mC7OAWVanEhQVpCJKTxAE12heZ9kjL81-0-a84e59021956f1e7f6a8b35261a13973)
图2-2-6 2015-10-29 短叶十三萝卜播种后15天
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图2-2-7 2015-11-4 短叶十三萝卜播种后21天
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图2-2-8 2015-11-8 短叶十三萝卜播种后25天
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图2-2-9 2015-11-14 短叶十三萝卜播种后31天
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图2-2-10 2015-11-21 短叶十三萝卜播种后38天
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-369.jpg?sign=1739368057-JeEWSGzI3zdDtGaMjfRLNercHETqrBo6-0-baf138a33fdd5ccabda3643ccd5f56ee)
图2-2-11 2015-11-28短叶十三萝卜播种后45天
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-370.jpg?sign=1739368057-g5PNajs6N4NQGnDqsGSKFP5TNRAZ5ipw-0-b2cc3db6e778164d68cf3ca100f9c916)
图2-2-12 2015-12-5短叶十三萝卜播种后52天
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-371.jpg?sign=1739368057-a8PLx4JrVzAbnt6y4B0Ddi4buHsy0It3-0-1659e1a3c87c4eeba35462910705ed6d)
图2-2-13 2015-12-12短叶十三萝卜播种后59天
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-372.jpg?sign=1739368057-m5Y4GWqspeQsuOf0sFxb692piwP0jAzr-0-f509eea366fbda23dad06d5925609140)
图2-2-14 2015-12-12短叶十三萝卜采收
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图2-2-15 2015-12-5地栽萝卜6-7片叶
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-374.jpg?sign=1739368057-itm8ypHCOw4FQsoH22Qd104Ub9bzh4NM-0-862d89ad50403261244938e3d73a8471)
图2-2-16 2015-12-26地栽萝卜直根露出地面
![](https://epubservercos.yuewen.com/82FAAF/11203271604286706/epubprivate/OEBPS/Images/1-375.jpg?sign=1739368057-8Odv33QiDqIk3AjOayAj1Sv77Ys8sgEz-0-4a6e5e365edee7ee1671b8927dd79bd2)
图2-2-17 2015-12-26地栽萝卜采收