在不同土壤条件下，水稻施用氮肥的增产效应、氮肥利用效率和对氮素的积累与分配均存在显著的基因型差异。
Under different soil conditions, there were significant genotypic differences in effects of applying nitrogen fertilizer on nitrogen use efficiency, yield and characters of nitrogen uptake.
CMS玉米氮素积累总量高于其同型可育系（P<0.05），成熟期氮素在茎秆和籽粒中分配较多；
Total nitrogen accumulation amount of CMS lines was distinctly higher than their homotypic lines (P<0.05), with more nitrogen distributed to stalk and grain in CMS lines.
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