上盆前,需根据苗木大小和生长情况选择合适的花盆,不要将小苗移到大盆中,这样水分不易控制,幼苗容易生长不良。如果用新盆,先用高锰酸钾溶液浸泡半小时,去除杂物、虫卵及碱性物质。洗净后在盆底垫上一块沙网,以防香油虫、蝼蛄等地下害虫从底孔钻入。沙网上放一块瓦片,盖去一部分底孔,再把另一块斜盖上去,盖去另一部分底孔,形成一个拱形。这样底孔不易堵住,今后遇到雨天或浇水时,多余的水就能从底孔流出而不会造成积水(图1)。对于杜鹃这类怕涝的植物,还可在上面多放些浮石(火山石)作排 Before the basin, according to the size and growth of seedlings to choose the right flower pots, do not move the seedlings into the large pot, so easy to control moisture, seedlings grow poorly. If using a new pot, first soak for half an hour with potassium permanganate solution to remove debris, eggs and alkaline substances. Wash the basin after the cushion on the bottom of a sand net, to prevent sesame oil pests, slugs and other underground pests from the bottom hole into. Put a piece of sand on the net, cover a portion of the bottom hole, and then tilt the other piece of cover up to cover the other part of the bottom hole to form an arch. This bottom hole is not easy to block, in the future encounter rain or water, the excess water will flow out from the bottom hole without causing water (Figure 1). For rhododendrons, such as waterlogging plants, but also put more in the above pumice (volcanic stone) row