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No significant difference in N_2O emission, fertilizer-induced N_2O emission factor and CH_4 absorption between anaerobically digested cattle slurry and chemical fertilizer applied timothy (Phleum pratense L.) sward in central Hokkaido, Japan
http://hdl.handle.net/10659/2797
http://hdl.handle.net/10659/27976af565ca-bce5-499c-a22c-041c25ebbe99
名前 / ファイル | ライセンス | アクション |
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S-2011-16_Sawamoto.pdf (1.6 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2012-10-01 | |||||
タイトル | ||||||
タイトル | No significant difference in N_2O emission, fertilizer-induced N_2O emission factor and CH_4 absorption between anaerobically digested cattle slurry and chemical fertilizer applied timothy (Phleum pratense L.) sward in central Hokkaido, Japan | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | emission factor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | methane | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | nitrous oxide | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | slurry | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | timothy | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
澤本, 卓治
× 澤本, 卓治× YOSHIDA, Ryou× ABE, Kotomi× MATSUNAKA, Teruo |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Nitrous oxide (N_2O) and methane (CH_4) fluxes from a fertilized timothy (Phleum pratense L.) sward on the northern island of Japan were measured over 2 years using a randomized block design in the field. The objectives of the present study were to obtain annual N_2O and CH_4 emission rates and to elucidate the effect of the applied material (control [no nitrogen], anaerobically digested cattle slurry [ADCS] or chemical fertilizer [CF]) and the application season (autumn or spring) on the annual N_2O emission, fertilizer-induced N_2O emission factor (EF) and the annual CH_4 absorption. Ammonium sulfate was applied to the CF plots at the same application rate of NH_4-N to the ADCS plots. A three-way ANOVA was used to examine the significance of the factors (the applied material, the application season and the year). The ANOVA for the annual N_2O emission rates showed a significant effect with regard to the applied material (P = 0.042). The annual N_2O emission rate from the control plots (0.398 kg N_2O-N ha^<−1> year^<−1>) was significantly lower than that from the ADCS plots (0.708 kg N_2O-N ha^<−1> year^<−1>) and the CF plots (0.636 kg N_2O-N ha^<−1> year^<−1>). There was no significant difference in the annual N_2O emission rate between the ADCS and CF plots. The ANOVA for the EFs showed insignificance of all factors (P > 0.05). The total mean ± standard error of the EFs (fertilizer-induced N_2O-N emission/total applied N) was 0.0024 ± 0.0007 (kg N_2O-N [kg N]^<−1>), which is similar to the reported EF (0.0032 ± 0.0013) for well-drained uplands in Japan. The CH_4 absorption rates differed significantly between years (P = 0.014). The CH_4 absorption rate in the first year (3.28 kg CH_4 ha^<−1> year^<−1>) was higher than that in the second year (2.31 kg CH_4 ha^<−1> year^<−1>), probably as a result of lower precipitation in the first year. In conclusion, under the same application rate of NH_4-N, differences in the applied materials (ADCS or CF) and the application season (autumn or spring) led to no significant differences in N_2O emission, fertilizer-induced N_2O EF and CH_4 absorption. | |||||
書誌情報 |
Soil Science & Plant Nutrition 巻 56, 号 3, p. 492-502, 発行日 2010 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0038-0768 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1111/j.1747-0765.2010.00465.x | |||||
権利 | ||||||
権利情報 | © 2010 Japanese Society of Soil Science and Plant Nutrition | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
出版者 | ||||||
出版者 | Wiley-Blackwell | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article |