The meaning of pulling out the seedlings to encourage them. According to the query of 2 1 century education network, the height of seedlings suddenly increases, which means that pulling out seedlings will encourage them, which is actually not good. In ancient times, a farmer planted a seedling in the field. After planting, he went to the field to observe all day. After day after day of observation, the farmer felt very anxious when he saw that the seedlings had not changed. After thinking about it, I found a way to help the seedlings grow taller.