我国是世界稀土大国,稀土产量位居世界首位。仅内蒙古包头白云鄂博铁矿的稀土储量就占世界已探明储量的50%以上。近年来,我国稀土的应用量年均增长为10%,在冶金、机械、化工等产业中的应用更为显著。现在,稀土产业在我国农业领域也已崭露头角,近几年,我国的农用稀土的研发工作进展迅速,在 China is a rare earth power in the world and its rare earth output ranks first in the world. Only the Inner Mongolia Baotou Bayan Obo iron ore reserves account for the world’s proven reserves of more than 50%. In recent years, the application of rare earth in our country has an average annual growth rate of 10%, which is more obvious in metallurgy, machinery and chemical industries. Now, rare earth industry has also emerged in the field of agriculture in China, in recent years, China’s R & D of agricultural rare earth is progressing rapidly in