如何缩短洋葱移栽后的缓苗时间内容摘要:
2、根与生根剂充分接触,这样有利于洋葱早生根,同时还防止洋葱死苗、烂面等现象。 第四,可以采取去除苗床中洋葱叶子的方法,这种方法适合于早春定植。 早春定植的苗大部分是保护地温室育苗,这些苗子茎不粗且长的较高,有一种头重脚轻根底浅的感觉,可采取两种方法能缩短缓苗的时间:一种是不需运输直接起苗就定植的,可采取洋葱苗分级后,从最里面的心之上一公分处用剪子剪掉上部的叶子;另一种是起苗后,需经过运输不能及时定植的苗子可采取在苗床中就把苗子的上部叶子剪掉,具体办法是在起苗前 10 天左右,用剪子或电动刀把苗子上部叶子全部剪掉,只要不破坏最里面的心即可。 这样既有利于缓苗,也有利于生根。 综上所述,这几种方法能缩短洋葱移栽后的缓苗时间,有利于洋葱及早进入营养生长期,为洋葱高产打下坚实的基础。 专利查询。如何缩短洋葱移栽后的缓苗时间
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