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Adding humic acid of different concentrations to saline soil in Hekou District, Dongying, to collect and analyze soil samples. Through statistical analysis, it was found that the addition of humic acid not only reduced the SAR (sodium adsorption ratio) and total salt, but also promoted the supply of nitrogen, phosphorus and potassium and the absorption of organic matter. In addtion, the addition of humic acid to the saline soil reduced the Cr in the soil from 0 to 20 cm and the soil from 20 to 40 cm, but may cause Hg, Cu, Pb pollution in the soil.

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Effect of Humic Acid on Saline Soil

  • 会议论文

  • 发表日期：

    2025年

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  • Yanning Li,
  • Wenwen Li,
  • Yanchao Yin,
  • Fan Zhang,
  • Hongbin Sun,
  • Ying Xu

摘要

Adding humic acid of different concentrations to saline soil in Hekou District, Dongying, to collect and analyze soil samples. Through statistical analysis, it was found that the addition of humic acid not only reduced the SAR (sodium adsorption ratio) and total salt, but also promoted the supply of nitrogen, phosphorus and potassium and the absorption of organic matter. In addtion, the addition of humic acid to the saline soil reduced the Cr in the soil from 0 to 20 cm and the soil from 20 to 40 cm, but may cause Hg, Cu, Pb pollution in the soil.