Effects of Simulated Acid Rain on Nitrogen Transplant and Acidifying Potential in Litchi Orchard Soils

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Effects of Simulated Acid Rain on Nitrogen Transplant and Acidifying Potential in Litchi Orchard Soils

更新时间：2024-11-07

- Effects of Simulated Acid Rain on Nitrogen Transplant and Acidifying Potential in Litchi Orchard Soils
- Issue 6, Pages: 18-21(2006)
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- Published：2006
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Effects of Simulated Acid Rain on Nitrogen Transplant and Acidifying Potential in Litchi Orchard Soils[J]. 2006, (6): 18-21.
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Effects of Simulated Acid Rain on Nitrogen Transplant and Acidifying Potential in Litchi Orchard Soils[J]. 2006, (6): 18-21. DOI：

摘要

采用短期室内淋溶方法研究了模拟酸雨对供试荔枝果园土壤全N、碱解N、硝态N、铵态N含量变化的影响。结果表明．各处理土壤淋出液的全N、硝态N、铵态N含量随着模拟酸雨酸度的增强而依次增加，其中pH2．5酸雨淋溶处理与其它处理间的淋出液含量差异显著，而pH≥4．5酸雨淋溶处理与对照（pH6．5）间的差异大部分不显著；各处理的土壤较淋溶前其全N、NOjN（pH2．5酸雨处理例外）、NH1＋-N的含量均有增加趋势。引进土壤的实际酸化速率H＋产生值衡量供试土壤的酸化，只有pH2．5的模拟酸雨淋溶促进了土壤的酸化，而pH≥3．5的模拟酸雨处理对土壤的酸化具有一定的缓冲作用，且土壤酸度减弱。

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