氮磷添加及林分密度对大叶相思林土壤化学性质的影响
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冯慧芳,刘落鱼,薛立
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Effects of nitrogen and phosphorus additions and stand density on soil chemical property in Acacia auriculiformis stands
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FENG Hui-Fang,LIU Luo-Yu,XUE Li
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表2 施肥处理和密度对大叶相思林土壤化学性质的交互作用
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Table 2 Interaction between NP treatments and density in soil chemical properties of Acacia auriculiformis stands
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| 指标 Parameter | NP处理 NP treatments | 密度 Density | 密度与NP处理交互作用
Interaction between density and NP treatments | | F | p | F | p | F | p | | pH | 734.716 | 0.000 | 52.721 | 0.000 | 10.57 | 0.000 | | 有机质 SOC | 379.581 | 0.000 | 2 764.643 | 0.000 | 36.204 | 0.000 | | 全氮 TN | 81.08 | 0.000 | 680.233 | 0.000 | 6.732 | 0.000 | | 全磷 TP | 2 445.366 | 0.000 | 651.776 | 0.000 | 16.592 | 0.000 | | 全钾 TK | 4.887 | 0.007 | 189.284 | 0.000 | 8.448 | 0.000 | | 碱解氮 AN | 1 734.794 | 0.000 | 265.347 | 0.000 | 8.02 | 0.000 | | 有效磷 AP | 1 345.668 | 0.000 | 322.54 | 0.000 | 43.607 | 0.000 | | 速效钾 AK | 412.176 | 0.000 | 536.283 | 0.000 | 24.536 | 0.000 |
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