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笔者以10年生壶瓶枣树为试材,研究了枣果生长期内枣园土壤营养成分含量的变化。结果表明,随着枣果的生长发育,干旱碱性土壤中有机质、全氮、速效钾、全磷、有效铜、有效锰、交互性镁的含量减少,有效锌含量保持相对的稳定,交互性钙含量在不断升高;枣果生长中期(9月上旬)土壤有机质、速效钾、全磷、全氮、有效铜、有效锌、交互性镁的含量,在40 cm土层中存在增加的现象。
The author uses the 10-year-old potted jujube tree as the test material to study the jujube garden jujube orchards soil nutrient content changes. The results showed that the content of organic matter, total nitrogen, available potassium, total phosphorus, available copper, available manganese and interactive magnesium in arid alkaline soil decreased with the growth of jujube, while the effective zinc content remained stable and interactive The contents of soil organic matter, available potassium, total phosphorus, total nitrogen, available copper, available zinc and interactive magnesium increased in the middle 40 cm soil layer during the middle growing stage (early September) .