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磷素在土壤中的垂直迁移潜力研究

Keywords: 磷素迁移,磷污染,模拟土柱

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Abstract:

针对磷素在田间条件下是否可以发生垂直迁移存有的疑问,利用模拟土柱研究了渗漏液磷含量的变化特点。结果表明,淹水后土柱渗漏液中总磷、有机磷的变化基本上表现为逐渐升高而后有所降低的趋势;施磷肥和猪粪处理土柱渗漏液中的总磷量高于无磷肥处理;施猪粪处理土柱渗漏液中有机磷量明显高于施无机磷肥的处理。

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