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当稀土微肥浓度在400mg·L－1左右时，发芽率、发芽指数和活力指数分别比对照增加14．63％，27.94％和64．43％；浸种后培养48h，根长平均比对照增加1．5cm。
The germination rate, germination index and vigor index increased by 14.63%, 27.94% and 64.43% respectively when the concentration of rare earth fertilizer was about 400 mg · L-1. After soaking for 48h, the average root length was higher than that of the control 1.5cm.