tianjinshishucaijishutuiguangzhannongyishiwangxuezhongjieshao,peiyujianzhuangmiaozishiludishucaishengchankangbingdeyigeguanjianhuanjie,erchuxiaheqiuxiayoushiludishucaiyumiaodezuijiajijie,weicixiajijinxingludishucaiyumiaoyishiyaozhangwoheshidebozhongfangfahebozhongliang,jixiaolizhongziruqieguoleikesabohuotiaobo,gualeidianbo。ershiyaozhangwoheshidemiaoling:露地育苗苗齡一般較短,有利於定植及緩苗和發棵。一般苗齡:油菜25至30天,大白菜10至19天,甘藍類30至40天,芹菜60天,瓜類20天,茄果類25至40天。三是要注意間苗,防止雜草:苗期要進行間苗,一般在1葉和2至3葉時各一次,以免苗子徒長,同時進行除草。此外,施用的肥料要充分腐熟,地勢要排灌方便。甘藍類蔬菜最好在3至5葉時移一次苗,行株距12cm×10cm,移栽後還需要搭棚選蔭。
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