盆花因受土壤少的限制,需要经常换盆换土,补充土壤肥力,改善营养条件。换盆时疏剪部分老根,以利于促发新根,使植株生育良好。换盆应掌握合适的时期,过早或过迟均不利于花卉生育。对多数 Potted flowers due to limited soil less often need to change pots for soil, soil fertility and improve nutrition. Thinning when the old root tuber root, in order to facilitate the promotion of new roots, plant fertility. Change the basin should grasp the right period, too early or too late are not conducive to the fertility of flowers. To the majority