Cai Baiyan Ge Jingping Jin Huiyu Liu Lijun Zu Wei.THE EFFECTON PHOSPHORUS AMOUNT TO POTASSIUM ABSORBEFFICIENCY OF DIFFERENT SOYBEAN CULTIVARS[J].Soybean Science,2006,25(01):42-47.[doi:10.11861/j.issn.1000-9841.2006.01.0042]
磷素水平对不同大豆品种钾素吸收效率的影响*
- Title:
- THE EFFECTON PHOSPHORUS AMOUNT TO POTASSIUM ABSORBEFFICIENCY OF DIFFERENT SOYBEAN CULTIVARS
- Keywords:
- Soybean ; Phosphorus amount ; Potassium content
- 文献标志码:
- A
- 摘要:
- 通过原子吸收分光光度计法研究了施磷量对不同大豆品种各器官及全株吸收钾素营养的影响,结果表明:施磷量对不同大豆品种植株及各器官钾素含量有较大影响。不同品种不同处理全株及各器官钾素含量从分枝期逐渐增加,开花期达到高峰, 随后下降至成熟期 ;同一品种不同处理间钾素含量三个品种都是 P 10 处理全株及各器官钾素含量最高 ,整个生育期高磷或不施磷都会影响钾素含量, 只有适宜的施磷才能促进钾素含量达到最高峰。同一处理不同品种全株及各器官钾素含量在品种间没有明显的变化规律 。
- Abstract:
- T he effect of phosphorus amount on potassium nutrition in each organ and total plant in differ-ent soybean cultivars was discussed in this study. The results suggested that there were relatively largeeffects of phosphorus usage on the potassium accumulation in total plants and each organ. In each speciesunder each treatment , the potassium amounts were gradually increased from branching stage , reached theirpeak values at flowering stage and decreased till ripening stage. In the same species under each treatment ,suitable phosphorus amounts was in favor of the accumulation of potassium. The highest accumulationamounts of potassium in total plants was obtained at P 10 treatment in high protein variety and middle varie-ty ;but in high oil variety , that of potassium was obtained at P 5 , P 10 , P 15 treatments, respectively , indica-ting that phosphorus usage can help potassium reaching optimum balance , acquiring higher accumulation a-mounts. In the same treatment with different species , there was no significant difference with potassiumaccumulation amounts in three species.
参考文献/References:
1 汪自强, 董明远. 不同钾水平下春大豆品种的钾利用效率研究[ J] . 大豆科学, 1996, 15(3):202- 207.
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备注/Memo
项目来源:黑龙江省教育厅资助项目(10543074)。 作者简介:蔡柏岩(1968 -), 男, 讲师, 博士, 主要从事作物生理生态及营养方面研究。 通讯作者:蔡柏岩, 祖伟教授。