Effects of Long-term Fertilization on Inorganic Phosphorus Forms and Profile Distribution in Brown soil

HAN Xiao-ri; MA Ling-ling; WANG Ye-qing; WANG Ying; ZHAN Xiu-mei

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Effects of Long-term Fertilization on Inorganic Phosphorus Forms and Profile Distribution in Brown soil

更新时间：2024-11-07

- Effects of Long-term Fertilization on Inorganic Phosphorus Forms and Profile Distribution in Brown soil
- Vol. 21, Issue 4, Pages: 51-55(2007)
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  CLC： S14
- Published：2007
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HAN Xiao-ri, MA Ling-ling, WANG Ye-qing, et al. Effects of Long-term Fertilization on Inorganic Phosphorus Forms and Profile Distribution in Brown soil[J]. 2007, 21(4): 51-55.
DOI：

HAN Xiao-ri, MA Ling-ling, WANG Ye-qing, et al. Effects of Long-term Fertilization on Inorganic Phosphorus Forms and Profile Distribution in Brown soil[J]. 2007, 21(4): 51-55. DOI：

摘要

对棕壤26年长期定位试验的无机磷分级表明:长期施入有机肥或化学磷肥

除了Ca10-P含量在耕层减少外

其它各形态无机磷含量都有所增加;仅施N肥或不施肥

Al-P

Fe-P

O-P

Ca10-P含量均减少

Fe-P

Al-P

Cas-P

Ca2-P占无机磷总量的比例增加

而O-P

Ca10-P则下降了.各形态无机磷的剖面分布相似

均为先下降而后略微上升.相关分析和逐步回归分析表明

Ca2-P

Ca8-P

Al-P

Fe-P

O-P与速效磷之间达到1%的极显著水平

Ca10-P与速效磷之间达到5%的显著水平.Ca2-P

Cas-P对速效磷的贡献最大.

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