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辽宁省果树所于1984年承担了全国稀土农用技术开发中心、辽宁省经委下达的国光苹果树应用稀土的研究课题。经4年的研究试验,已明确了国光苹果树应用稀土的效果,筛选出应用稀土的最佳浓度及适宜使用时期、次数。该项研究成果已于1987年12月通过了成果鉴定。国光苹果树喷施稀土的结果表明,稀土对提高果实品质有突出的效果,可以提前10—15天着色,果实艳丽,有光泽,果面光滑,橙红均匀,喷施稀
In 1984, Liaoning Fruit Tree Co., Ltd. undertook the research project of Rare Earth Research and Application for National Rare Earth Agricultural Technology Development Center and Guoguang Apple Tree issued by Economic Commission of Liaoning Province. After 4 years of research and experiments, we have clarified the application of Guoguang apple tree effect of rare earth, filter out the best concentration of rare earths and the appropriate period of use, the number of. The result of this research was passed in December 1987. Guoguang apple tree spraying rare earth results show that the rare earth to improve the quality of fruits have a prominent effect, you can color 10-15 days in advance, the fruit is bright, shiny, smooth fruit, orange and red, thin spray