稀土是镧系15种元素及与之化学性质相似的钪,钇元素的统称。据有关资料介绍,稀土约占地壳总组成的0.013%。我国是世界上稀土储量最多的国家,具有“稀土大国”之称。近年来,稀土在农业上已开始应用。大量试验结果表明,稀土对水稻、花生、大豆、甘薯、蔬莱、 Rare earth is the lanthanide 15 kinds of elements and its similar chemical properties of scandium, yttrium elements collectively. According to relevant information, rare earth accounts for about 0.013% of the total crustal composition. China is the country with the largest amount of rare earth reserves in the world and has the title of “Rare Earth Power”. In recent years, rare earth has been applied in agriculture. A large number of test results show that rare earth rice, peanut, soybean, sweet potato, vegetables,