年周期内不同生育期分别采样测定了新红星、红星苹果幼树各器官内主要营养元素含量及总量。结果表明，新红星与红星树叶片、新梢、主干、主根、细根内氮、磷、钾、铁、锌的含量及总量在不同物候期有较大差异 The annual growth period of different sampling were taken to determine the new Red Star, Red Star apple saplings of various organs of the main nutrient content and total. The results showed that the contents and contents of nitrogen, phosphorus, potassium, iron and zinc in leaves, shoots, stems, main roots and fine roots of New Red Star and Red Star tree were significantly different at different phenophases