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对取自山西省北部不同地点、不同层次的土样的 p H值、磷、钾、有机质、水含量的变化进行了研究。结果表明 :林地土壤理化性质具有可变性和可控性。
The changes of p H value, phosphorus, potassium, organic matter and water content of soil samples from different locations and levels in the northern part of Shanxi Province were studied. The results showed that the physical and chemical properties of forest soil were variable and controllable.