tombarthite 稀土
- The said tombarthite is one of the kinds such as lanthanum, europium nitrate, erbium nitrate, cerous nitrate and neodymium nitrate.
所述稀土是指硝酸镧、硝酸铕、硝酸铒、硝酸亚铈、硝酸钕中的任一种。 - Among the Micro-fertilizer, the tombarthite had greater influence on the grown of florists cineraria, then manganese sulfate and boric acid.
其中稀土对瓜叶菊生长的影响最大,其次为硫酸锰和硼酸。
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