去年早春,我从外地引入60株比利时杜鹃小苗,当时株型圆整,生机盎然。不幸的是,由于对培养土的添加剂使用欠妥,造成几乎全部死亡的严重后果。事情是这样的: 第一次使用的培养土是我亲自从松林里挖回的林下表土。当时,为了增加肥效,并使其更显疏松,便加入了半箩筐锯末和少量干 Last spring last year, I introduced 60 Belgian Rhododendron seedlings from the field. At that time, my plant type was round and full of vigor. Unfortunately, due to the poor use of additives for cultivating soil, almost all the serious consequences of death are caused. The thing is this: The first cultivated soil used was the under-surface soil that I personally recovered from the pine forest. At that time, in order to increase fertilizer efficiency and make it more loose, they added half a basket of sawdust and a small amount of dry