湘鄂川部分植物性食品中稀土元素含量研究

对湖南、湖北、四川省部分植物性样品（共245个）中稀土元素含量研究表明:部分植物性样品中稀土元素含量顺序为：小麦＞大米＞柑桔＞韭菜＞菠菜；水稻、柑桔在连续6年使用稀土后，其增加的绝对量无明显变化，以煤灰为主要肥料的韭菜样品中稀土元素含量明显高于以农家肥为主要肥料的韭菜样品。

Study on content of rare earth element in part of plant food in Hunan,Hubei and Sichuan provinces

The contents of rare earth elements of 245 plant food samples studied.The results showed that the se quence of the contents was:wheat＞rice＞orange＞chinese chive＞spinach When the plants of rice and or ange were treated with rare earth elements for six years,the content value increased,but not significantly.The rare earth element content of chinese chive which was fertilized by coal ash was higher than that treated by farm manure.