入夏后,铁树进入了生长期,但有一部分家养铁树长得很不理想,叶片泛黄,有的基叶枯黄,可是上端叶片仍显青绿色。上述情况多系营养不当所致,补救办法有以下几点:1、至今未长新叶或叶片泛黄而不是枯黄的,主要是过冬受到轻度冻害或早春酬盆换土过早或一度盆土过干,加之本身营养不良等所致。针对上述不同病症,总的可以这样处理:翻盆换入新土,放到室外培养,也可只松土追肥或者把 Into the summer, the Tieshu entered the growing season, but some of the domestic iron tree grows very unsatisfactory, yellow leaves, and some yellowish base leaves, but the upper leaves are still cyan. Many of the above conditions due to improper nutrition, the remedies are the following: 1, so far no new leaves or leaves yellowing rather than yellow, mainly through the winter mild frost damage or early spring soil replacement pot too early or once basin Soil is too dry, combined with its own malnutrition caused. In view of the above different diseases, the total can be treated like this: Turn the basin into the new soil, put it in outdoor culture, but also only loosen the top dressing or