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稀土元素在我国已广泛用于工农业生产和医药卫生等方面。它见效明显,用劳少,使用方便,经济效果好,对环境保护和生态平衡无不良影响。1977年我所开始对水稻试用硝酸稀土氧化物(沈阳化工厂出品),增产幅度为5.5～28.4%。随后试用于油菜,增产9.7～31%,春大豆增产16.8%。1980年试用于棉花,两年试验结果,增产幅度,在适量范围内一般为5～6%。现将两年试验结果简介如下。
Rare earth elements in our country has been widely used in industrial and agricultural production and medical and health aspects. It is effective, with less labor, easy to use, economic effect, no adverse effects on environmental protection and ecological balance. In 1977, I started trial of rice nitrate rare earth oxide (Shenyang Chemical Plant produced), an increase of 5.5 to 28.4%. Afterwards, it was tested on rapeseed, yielding 9.7-31% and spring soybean yielding 16.8%. Test in 1980 in cotton, two years test results, increase rate, in the appropriate range of 5 to 6%. Now two years test results are as follows.