THE EFFECTON PHOSPHORUS AMOUNT TO POTASSIUM ABSORBEFFICIENCY OF DIFFERENT SOYBEAN CULTIVARS(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Title:: THE EFFECTON PHOSPHORUS AMOUNT TO POTASSIUM ABSORBEFFICIENCY OF DIFFERENT SOYBEAN CULTIVARS

Author(s):: Cai Baiyan¹; 2　 Ge Jingping¹　 Jin Huiyu²　 Liu Lijun³　 Zu Wei³; (1. Heilongjiang University , Harbin , 150080;2. Heilongjiang East College , Harbin, 150086;3.Northeast Agriculture University , Harbin , 150030)

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.

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Last Update: 2016-12-12