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稀土是指元素周期表中第57-71号元素,再加上钪和钇共17个元素的总称。农用稀土主要是镧和铈元素的化合物。目前市场上常见的商品名叫农乐益植素,简称“农乐”。稀土在食用菌生产实践中已显示出一定的应用价值。福建师大曾庆桂等将硝酸镧、硝酸铈及稀土
Rare earth refers to the elements of the Periodic Table 57-71 elements, together with a total of 17 elements scandium and yttrium. Agricultural rare earth is mainly lanthanum and cerium compounds. Commonly known on the market today is the name of agricultural Lvyi plant, referred to as “agricultural music.” Rare earth in the production of edible fungi have shown some value. Fujian Normal University Zeng Qinggui, such as lanthanum nitrate, cerium nitrate and rare earth