“稀土”是元素周期表中的镧(La)系元素和钪(Sc)钇(Y)的统称(共十七种)。我国稀土资源丰富,在工业上已广泛应用和进行肥效试验。据国内外资料报道,稀土元素在三十年代初就有人在农作物上应用。而在果树上使用研究甚少。为了探讨不同硝酸稀土配方喷施葡萄后对产量质量的影响,我们通过1983—85年三年的试验,已筛选出稀土、稀土锌、稀土硼为最佳的稀土配方,为今后在葡萄上的应用提供了依据。 “Rare earth” is a generic term for a total of 17 elements of the lanthanum (La) series and scandium (Sc) yttrium (Y) in the periodic table. Rich in rare earth resources in China, has been widely used in industry and fertilizer test. According to domestic and foreign information reports, rare earth elements in the early 1930s, some people in the crop application. The use of fruit trees little research. In order to explore the effect of different rare earth nitric acid formulations on the yield and quality after spraying grapes, we have selected the rare earth, rare earth zinc and rare earth boron as the best rare earth formula through the three years of 1983-85 experiment. Application provides the basis.