Keywords: 
• flowers /
• plants /
• nutritive content /
• seasonal variation /
• compounding nutritive liquid

Abstract: Not only to comprehend the nutritive elements content and their law of variation of flower plants but also to supply evidences to compound nutritive liquid scientifically , the authors have measured the annually periodical variation of nutritive elements content of eight flower plants such as Rosa chinensis , Pachira aquatica and Anthurium andreanum in different seasons .The effect of the research indicates that the content of many elements in plants varies in different seasons and the difference among kinds is big .The proper order from high to low is woody flower-watching flower , woody leaf-watching flower , herbaceous flower-watching flower and herbaceous leafwatching flower .According to which the authors put forward the fundamental proportion of nutritive elements formula of eight flowers .According to the analysis effect , the authers also have launched the growth test of special purpose nutritive liquid on Chamaedorea elegas and the hastening flower test of nutritive liquid on Clivia miniata , the tests show that the content of a part of nutritive elements in some flowers has big difference compared to the same kinds , and these elements will restrain or affect their growth and development , so we should take these factors into account when we apply fertilizer and compound nutritive liquid and an adjustment idea of compounding nutritive liquid of cultivation without soil is put forward .[ Ch , 4 tab .9 ref .]