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通过喷施不同浓度的富硒叶面肥,比较不同品种苹果中硒元素含量的差异,得到最优喷施方法。分别在果实膨大初期、果实膨大中期、果实膨大晚期,喷施稀释比例分别为1∶800、1∶500、1∶500的含硒量为2%的叶面肥,既可达到国家富硒食品标准,且可节约成本达到提高收益的目的。喷施富硒叶面肥可以使水果富硒,提升营养价值的同时提高经济收益。
By spraying different concentrations of selenium-enriched foliar fertilizer, the differences of selenium content in different varieties of apples were compared to obtain the optimal spraying method. The foliar fertilizer with 2% selenium content was 1: 800, 1: 500 and 1: 500, respectively, in the early stages of fruit enlargement, medium fruit enlargement and late fruit enlargement, Standard, and can save costs to achieve the purpose of raising revenue. Spraying selenium-rich foliar fertilizer can make fruits selenium, improve nutritional value while improving economic returns.