冬栽韭黄抓六点内容摘要:
2、的畦需 高的风障。 风障向南倾斜 75 度角,每道风障南北距 5 米。 “小雪”后,韭菜回根,将枯萎的韭叶搂掉,清理干净,用小锄刨开,露出鳞茎,晾一天。 用壶灌或用喷雾器喷敌百虫或敌敌畏防治地下害虫。 然后覆盖薄膜和蒲席,蒲席三层,上午 9 点揭开,下午 3 点盖上。 韭菜新芽长出地面时开始覆土,厚度以盖住叶鞘部分为准。 韭菜再次生长,还要分三次覆土,总厚度15 厘米。 覆土忌一次覆的过厚。 要将土过筛后堆在韭菜行间,覆土时用小锄培在韭株两侧。 五、科学收获第一茬生长期 30 天,“元旦”上市,株高 30 厘米左右。 下刀位置在原来畦面和覆土交接处。 六、收后细管收获后将覆土清理到畦埂上,耧松表土,提高地温。 幼苗 3 厘米时浇水,顺水冲粪稀,水渗下后,再同前一样管理,收获 23 茬。 3 刀以后,就不再覆土,当年也不收割。 撤膜及覆盖物,让其在自然条件下生长。 加强管理养好根,准备明年冬季再生产。 专利查询。冬栽韭黄抓六点
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