结果表明，一定浓度的硝酸稀土可以提高早稻幼苗的抗冷性，这一结果比较符合生产实际。
Finally their relevant physiological indexes are determined. The result shows that rare earth nitrate of a certain concentration can improve the cold-resistance of rice seedlings.
系统地研究了硝酸稀土对该菌株在固体培养基上的菌落形态及在液体培养基中产葡萄糖异构酶的酶活水平的影响。
The relations between the rare earth elements and the morphological and the physiological properties of the strain were systematically studied on the solid and in the liquid media respectively.
本试验用低浓度混合硝酸稀土喷施烤烟叶面，研究了稀土在烤烟植株中的含量、分布及土壤中可溶态稀土的变化情况及稀土对烟叶化学成份的影响，旨在为烤烟施用稀土提供科学依据。
A study on change of contents and distribution of the rare earths in roasted tobacco plant and effects on chemical composition in roasted tobacco leaves of the rare earths was reported.
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