哈巴雪山自然保护区土壤磷素含量特征分析

Journal of Baoshan Teachers College(2021)

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Abstract
通过野外实地调查及采样,采用NaOH熔融-钼锑抗比色法及0.5mol/L NaHCO3法分析哈巴雪山自然保护区土壤全磷及速效磷含量,结果表明:土壤全磷含量变化范围在0.980~17.170g.kg-1之间,呈现A层>B层>BC层的趋势,土壤全磷含量随海拔增加而增加的趋势明显;土壤速效磷含量变化范围在1.000~29.272 mg.kg-1之间,土壤速效磷含量随海拔增加而增加的趋势相对全磷较不明显.
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