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早在本世纪三十年代,苏联学者萨沃斯金等就发现稀土对小麦的生长和橡胶草干胶含量的提高有促进作用.六十年代以后,罗马尼亚、保加利亚、日本、菲律宾、美国等,相继就稀土对玉米、大豆、蚕豆和甜菜等进行了试验研究,但尚未实用于农业生产.1972年我国开始研究稀土农用,先后对水稻、小麦、玉米、大豆、花生、茶叶、葡萄、西瓜、甘蔗、甜莱、烟草等进行试验研究,获得了增产和改善品质(包括含糖量的提高)的新成就.
As early as the thirties of this century, the Soviet scholar Savoskin and others found that rare earths promoted the growth of wheat and the increase of the content of rubber grass glue. After the 1960s, Romania, Bulgaria, Japan, the Philippines and the United States, Rare earth on corn, soybeans, beans and sugar beet have been studied, but not yet used in agricultural production .1972 China began to study rare earth agriculture, has rice, wheat, corn, soybeans, peanuts, tea, grape, watermelon, Sugar cane, sweet rice, tobacco and other experimental studies, access to new achievements in improving production and improving quality (including sugar content).