The soil nutrients, the contents and seasonal dynamics of mineral elements as well as the relationship among the elements in leaves of fruit-bearing trees of Citrus grandis Osbeck cv.
研究了梅州沙田柚两个果园的土壤养分、结果树营养叶片不同生育时期的矿质元素含量及季节性动态变化情况和各元素的相互关系。
Results: The content of total flavonoids in Citrus grandis (L. ) Osbeck of last year is a little more than the content of the year before last year.
结果：最佳提取工艺测定了前年、去年采摘的4批样品中总黄酮的含量。去年采摘的柚叶总黄酮略高于前年。
Results: The content of total flavonoids in Citrus grandis (L. ) Osbeck of last year is a little more than the content of the year before last year.
结果：最佳提取工艺测定了前年、去年采摘的4批样品中总黄酮的含量。去年采摘的柚叶总黄酮略高于前年。
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