如何对花卉进行上盆、换盆?
上盆当播种苗长出几片真啮时或扦插苗生根后,都要移到花盆内,称为上盆。一般盆径应根据植株大小和品种生长的速度来选择合适的花盆。上盆时要注意保护根系,特别是细小的根毛。栽植的深度和原来扦插或播种时的一样,栽植后将盆土轻轻压实后浇水。移栽时盆土不能太肥,更不能加肥,因小苗的根系弱,不能吸收过多的养分,以免伤根。盆土与盆口间要有一段距离,以免浇水时溢出,在植株恢复正常生长后才能施肥。
换盆多年生花卉需1~2年换1次盆。其目的是去掉旧的基质和老根、坏死根以促进生长。把盆退出来以后,去掉部分原土,把烂根、多余的须根剪去。如果是忌涝的品种,要在盆底部放一些瓦片、砾石或陶粒作排水层,在它上面再放培养土。换盆时,盆底加1~2把腐熟的豆饼等作基肥,并用竹签将根系周围的土捣实。处于生长阶段的花卉,换盆后要浇透水,并置阴处过渡1周,再行正常管理。
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