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《Acta Agrestia Sinica》 2003-02
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Effects of Fertilizer Applications on the Seed Germination of Elymus sibiricus and Agropyron desertorum

HE Xiao 1,Li Qing feng 1,ZHAO Ming xu 2,JIANG Feng he 2 (1 College of Ecology and Environment Science, Inner Mongolia Agricultural University, Huhhot Inner Mongolia Autonomous Region 010019,China; 2 Grassland Management Station of Duolun County,Xilinguole League, Inner Mongolia Autonomous Region 027300,China)  
Experiments of applying N?P?K,separately or mixedly, or employing N, or spraying trace elements B?Zn?Mo at various stages of growth at the seed plots of Elymus sibiricus and Agropyron desertorum cv. Nordan had been conducted. The results show that separately or mixedly applying N?P?K to both seed plots did not significantly raise the seed germination rate or speed of either. Application of N at Elymus sibiricus plants' heading stage enhanced their seed germination rate and speed, though not so to the heading stage of Agropyron desertorum cv. Novdan. Spraying of 0.05% concentration of Mn on Elymus sibiricus seed plot evidently decreased its seed germination rate and speed, but positively raised those of Agropyron desertorum cv. Nordan. Spraying of trace elements like B?Zn?Mo did not distinctly augment the seed germination rate or speed of either species.
【Fund】: 中国科学院知识创新项目 ( KSCX1-0 8-0 3 )资助
【CateGory Index】: S54
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