Effects of phosphorus addition on N_2O and NO emissions from soils of an Acacia mangium plantation(Environment)
スポンサーリンク
概要
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An incubation experiment was conducted to examine the effects of the phosphorus (P) application on nitrous oxide (N_2O) and nitric oxide (NO) emissions from soils of an Acacia mangium plantation in Indonesia. The soils were incubated with and without the addition of P (Ca[H_2PO_4]_2; 2mg P g soil^<-1>) after adjusting the water-filled pore space (WFPS) to 75% or 100%. The P addition increased N_2O emissions under both WFPS conditions and NO emissions at 75% WFPS. Some possible mechanisms are considered. First, the P addition stimulated nitrogen (N) cycling, and N used for nitrification and/or denitrification also increased. Second, the P addition could have relieved the P shortage for nitrifying and/or denitrifying bacteria, producing N_2O and NO. Our results suggest that the application of P fertilizer has the potential to stimulate N_2O and NO emissions from Acacia mangium plantations, at least when soils are under relatively wet conditions.
- 社団法人日本土壌肥料学会の論文
著者
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Ohta Seiichi
Graduate School Of Agriculture Kyoto University
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MORI Taiki
Graduate School of Agriculture, Kyoto University
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ISHIZUKA Shigehiro
Department of Forest Site Environment, Forestry and Forest Products Research Institute
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KONDA Ryota
Graduate School of Agriculture, Kyoto University
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WICAKSONO Agus
Perseroan Terbatas Musi Hutan Persada
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HERIYANTO Joko
Perseroan Terbatas Musi Hutan Persada
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HARDJONO Arisman
Perseroan Terbatas Musi Hutan Persada
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Mori Taiki
Graduate School Of Agriculture Kyoto University
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Konda Ryota
Graduate School Of Agriculture Kyoto University
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Ishizuka Shigehiro
Department Of Forest Site Environment Forestry And Forest Products Research Institute
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Ohta Seiichi
Laboratory of Tropical Forest Resources and Environment, Division of Forest and Biomaterial Science Graduate School of Agriculture, Kyoto University
関連論文
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