| 长期单施及配施过磷酸钙对设施土壤钙素分布的影响 |
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| 引用本文： | 张大庚,刘敏霞,依艳丽,李天来,贺云龙,粟杰.长期单施及配施过磷酸钙对设施土壤钙素分布的影响[J].水土保持学报,2012,26(1):223-226,231. |
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| 作者姓名： | 张大庚 刘敏霞 依艳丽 李天来 贺云龙 粟杰 |
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| 作者单位： | 沈阳农业大学,沈阳,110866 |
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| 基金项目： | 国家自然基金项目(41171192);辽宁省蔬菜产业创新团队项目;国家科技支撑计划项目(2006BAD07B04) |
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| 摘 要： | 通过在草甸土上设置的23年设施栽培定位试验,研究长期单施及配施过磷酸钙对土壤及不同粒级中钙素分布的影响。结果表明:与不施肥对照相比,单施及配施过磷酸钙均增加了土壤全钙及不同形态钙素含量,大致顺序为磷肥/有机肥配施>磷肥/钾肥配施>单施磷肥>磷肥/氮肥配施>对照。从分配系数上看,土壤中以非酸溶性钙占绝对优势,约为60%;水溶性钙所占比例最小,均在3%以下。长期施用过磷酸钙后未明显增加非酸溶性钙的分配系数。磷肥/有机肥配施明显增加了较大粒级中钙素的含量及贡献率,其他处理土壤不同形态钙素含量及其贡献率大致随土壤粒级的减小而增加。
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| 关 键 词： | 长期施肥 过磷酸钙 设施土壤 钙素 |
Effects of Long-term Located Appling Calcium Superphosphate on Forms Distribution of Calcium in Facilities Soil |
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| ZHANG Da-geng,LIU Min-xia,YI Yan-li,LI Tian-lai,HE Yun-long,LI Jie.Effects of Long-term Located Appling Calcium Superphosphate on Forms Distribution of Calcium in Facilities Soil[J].Journal of Soil and Water Conservation,2012,26(1):223-226,231. |
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| Authors: | ZHANG Da-geng LIU Min-xia YI Yan-li LI Tian-lai HE Yun-long LI Jie |
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| Institution: | (Shenyang Agriculture University,Shenyang 110866) |
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| Abstract: | The effects of fertilizers application on the contents and distributions of fractions of calcium in facilities soil and soil particle sizes were investigated in a field experiment,which consisted five treatments of control no fertilizers,phosphorus fertilizers,phosphorus fertilizers plus nitrogen fertilizers,phosphorus fertilizers plus potassium fertilizers,and phosphorus fertilizers plus organic fertilizer and had continued for 23 years.The results showed that compared with the treatments of control,single application of phosphorus fertilizers,the combined application of other could significantly increase the content of different forms soil calcium.The rough ordering was phosphorus fertilizers plus manure>phosphorus plus potassium fertilizers>phosphorus fertilizers>phosphorus plus nitrogen fertilizers>no fertilizers.The distribution coefficient of un-acid soluble calcium was dominated.It was about 60%.The distribution coefficient of water soluble calcium was minimum.It was below 3%.It did not increase the distribution coefficient of un-acid soluble calcium after application of phosphorus fertilizers.The treatment of phosphorus fertilizers plus organic fertilizer increased significantly the content and the contribution rate of calcium in soil big particle sizes.The content and the contribution rate of calcium of other treatments increased with the decrease of the soil particle. |
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| Keywords: | long-term fertilization calcium superphosphate facilities soil calcium |
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