The number of leaves, the length of stem and root, the fresh weight of shoot and root system were inhibited with the increase of salinity.

盐度对无瓣海桑幼苗长叶数、茎长、植株鲜重、主根长、根系鲜重等方面起抑制作用；

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Fresh root weight and nodule number of alfalfa with lime application were higher than those of the control group.

施用石灰后，紫花苜蓿的根鲜重、根瘤数、株高、鲜重、干重、分枝数都高于对照。

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The results are as follows: N fertilizer was the major factor on the number of leaf, fibrous root, and the fresh weight of root and leaf, K fertilizer and P fertilizer then followed.

结果表明：影响知母叶片数、须根数、根茎鲜重和叶片鲜重的主要因子是N肥，其次是K肥和P肥；

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