Results showed that the soil quality was poor, with low content of organic matters, indeficient in potassium, lightly deficient in nitrogen and highly deficient in phosphorous.

 
  • 结果表明,重庆主城区市街绿地土壤总体质量不高,具体表现为有机质含量普遍偏低,土壤不缺钾,轻度缺氮,磷素极缺;
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