长期不同施肥处理黑土磷的吸附-解吸特征及 对土壤性质的响应
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王琼,展晓莹,张淑香,彭畅,高洪军,张秀芝,朱平,GILLES Colinet
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Phosphorus Adsorption and Desorption Characteristics and Its Response to Soil Properties of Black Soil Under Long-Term Different Fertilization
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Qiong WANG,XiaoYing ZHAN,ShuXiang ZHANG,Chang PENG,HongJun GAO,XiuZhi ZHANG,Ping ZHU,Colinet GILLES
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表3 长期不同施肥处理对黑土性质的影响
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Table 3 Mean values of soil properties of different treatments in black soils under long-term fertilization
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| 指标 Parameter | CK | NK | NPK | NPKM | P值 P value | | 全磷Total-P (g·kg-1) | 0.56±0.0536b | 0.56±0.1037b | 0.60±0.0448b | 0.94±0.2153a | * | | 有效磷Olsen-P (mg·kg-1) | 5.42±0.6431c | 6.35±0.1641c | 22.99±2.5584b | 81.95±4.0825a | * | | 有机质SOM (g·kg-1) | 21.58±1.6196b | 23.77±2.4263b | 24.28±2.4191b | 29.91±3.2205a | * | | 酸碱度pH | 7.42±0.0504a | 6.63±0.1667b | 6.38±0.1938b | 7.25±0.0764a | * | | 比表面积SSA (m2·g-1) | 19.82±0.8184a | 15.76±2.7509a | 17.06±2.8656a | 6.25±0.7227b | * | | 游离氧化铁Free Fe2O3 (g·kg-1) | 8.66±0.8741 | 8.74±1.0689 | 8.55±0.7679 | 8.02±1.0075 | NS | | 游离氧化铝Free Al2O3 (g·kg-1) | 2.00±0.1927 | 1.97±0.2463 | 1.94±0.1550 | 1.80±0.1898 | NS | | 碳酸钙CaCO3 (g·kg-1) | 16.35±0.9500a | 13.40±0.9000b | 13.90±0.3000b | 17.80±0.3000a | * |
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