无论地栽或盆栽花木,如施肥不当,不但生长不良,开花不好,或不能开花,甚至会死亡。盆栽花木更应加以注意。施肥时应掌握四多、四少和四忌十二条规律。四多 (1)凡花木枝条瘦弱,绿叶变淡或发黄时,应多施肥料(如因植株老化,根部萎缩,或土壤板结,以及根部密集而致生长不良者例外。) Whether planted or potted flowers, such as improper fertilization, not only poor growth, poor flowering, or can not flowering, or even death. Potted flowers and trees should pay more attention. Fertilization should be mastered more than four, four fewer and four avoid twelve rules. More than four (1) When the branches of flowers and trees thin, green leaves fades or yellow, should be more fertilizers (such as due to plant aging, root shrinkage, or soil compaction, and the growth of poor roots caused by exception.