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Nitrogen and Water Demands for Maximum Growth of Solanum tuberosum under Doubled CO2: Interaction with Phosphorus Based on the Demands
http://hdl.handle.net/2237/00032632
http://hdl.handle.net/2237/00032632f89a6a4e-529a-45a0-aaef-efa0b7e6d13a
名前 / ファイル | ライセンス | アクション |
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EEB20_final (2.4 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-09-15 | |||||
タイトル | ||||||
タイトル | Nitrogen and Water Demands for Maximum Growth of Solanum tuberosum under Doubled CO2: Interaction with Phosphorus Based on the Demands | |||||
言語 | en | |||||
著者 |
Yi, Yan
× Yi, Yan× Sugiura, Daisuke× Yano, Katsuya |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | © 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | elevated CO2 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | nitrogen | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | phosphorus | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Solanum tuberosum L. | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | plant growth | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | water–use efficiency | |||||
抄録 | ||||||
内容記述 | Crop growth promotion utilizing elevated carbon dioxide concentrations (e[CO2]) may be limited by soil nutrient availability. Although numerous studies have suggested the importance of nitrogen (N) for the promotion of growth under e[CO2], N requirement for maximum plant growth is rarely examined. We have found that increase in potato (Solanum tuberosum L.) biomass depends on phosphorus (P) availability under doubled [CO2] conditions. To address whether the N requirement for maximum growth under e[CO2] is dependent on P supply or not in potatoes, we quantified potato growth and water consumption in response to five N supply rates at low P (LP) and high P (HP) conditions. A pot experiment was conducted in controlled-environment chambers with ambient CO2 concentrations (a[CO2]) and an e[CO2] level of double a[CO2]. Foliar critical N concentration per area (critical [N]area), the minimum N requirement for 90% maximum plant growth, was similar (1.43 g m-2) regardless of [CO2] conditions under LP. Under HP, however, the critical [N]area increased under e[CO2] conditions (1.65 g m-2) compared with a[CO2] conditions (1.52 g m-2). Water use did not change with e[CO2] under HP conditions, whereas it decreased with e[CO2] under LP conditions despite the increase in biomass owing to higher water-use efficiency (WUE). Although WUE with e[CO2] or HP was independent of N supply, biomass increment with e[CO2] or HP depended on N supply. We concluded that the N and water required by potato plants under e[CO2] would be dependent on P supply. Although under HP, e[CO2] increased N but not water required to obtain maximum growth during the early growth stage, N demand was unchanged and water demand decreased by e[CO2] under LP conditions, probably owing to growth limited by P availability. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
内容記述 | ||||||
内容記述 | ファイル公開:2022-08-01 | |||||
言語 | ja | |||||
内容記述タイプ | Other | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | Elsevier | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.envexpbot.2020.104089 | |||||
ISSN(print) | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0098-8472 | |||||
書誌情報 |
en : Environmental and Experimental Botany 巻 176, p. 104089, 発行日 2020-08 |
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著者版フラグ | ||||||
値 | author |