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白菜怎麼分苗
白菜怎麼分苗
更新时间:2024-09-30 18:17:04

  1、大白菜間苗一般分2次進行。

  2、第1次在拉“十”字時,淘汰弱苗、雜苗、擁擠苗,每穴留3株左右。

  3、第2次在幼苗4 片真葉時進行,按行株距選留生長強健而具有本品種特征的幼苗1株留下,其餘的拔去,即定苗。

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