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  1. 0 資料タイプ別
  2. 01 学術雑誌論文
  1. 070 農学部
  2. 10 学術雑誌論文
  3. 10 査読済論文

水口流入施肥器を用いた大区画水田における水稲液肥流入の均一施肥効果と効率的施肥条件の検討

http://hdl.handle.net/10191/23749
http://hdl.handle.net/10191/23749
17d1f926-9bdb-46da-bd4a-2c8d24ff3abe
名前 / ファイル ライセンス アクション
110004734890.pdf 110004734890.pdf (821.6 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-10-09
タイトル
タイトル 水口流入施肥器を用いた大区画水田における水稲液肥流入の均一施肥効果と効率的施肥条件の検討
タイトル
言語 en
タイトル 水口流入施肥器を用いた大区画水田における水稲液肥流入の均一施肥効果と効率的施肥条件の検討
言語
言語 jpn
キーワード
主題Scheme Other
主題 水稲
キーワード
主題Scheme Other
主題 液肥
キーワード
主題Scheme Other
主題 流入施肥
キーワード
主題Scheme Other
主題 尿素
キーワード
主題Scheme Other
主題 窒素利用率
キーワード
主題Scheme Other
主題 liquid fertilizer
キーワード
主題Scheme Other
主題 N utilization
キーワード
主題Scheme Other
主題 paddy field
キーワード
主題Scheme Other
主題 topdressing with irrigation water
キーワード
主題Scheme Other
主題 urea
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
その他のタイトル
その他のタイトル Improvement of Application Method of Liquid Fertilizer with Irrigation Water for Uniform Topdressing and Change in Nitrogen Concentration of Flooded Water after Application
著者 土田, 徹

× 土田, 徹

WEKO 47299

土田, 徹

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高橋, 能彦

× 高橋, 能彦

WEKO 47300

高橋, 能彦

Search repository
大竹, 憲邦

× 大竹, 憲邦

WEKO 47301

大竹, 憲邦

Search repository
大山, 卓爾

× 大山, 卓爾

WEKO 52

大山, 卓爾

Search repository
久保田, 勝

× 久保田, 勝

WEKO 47303

久保田, 勝

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著者別名
識別子 47304
識別子Scheme WEKO
姓名 Tsuchida, Toru
著者別名
識別子 47305
識別子Scheme WEKO
姓名 Takahashi, Yoshihiko
著者別名
識別子 47306
識別子Scheme WEKO
姓名 Ohtake, Norikuni
著者別名
識別子 52
識別子Scheme WEKO
姓名 Ohyama, Takuji
著者別名
識別子 47308
識別子Scheme WEKO
姓名 Kubota, Masaru
抄録
内容記述タイプ Abstract
内容記述 1)大区画水田に対応する省力均一追肥技術として新たに開発された流入施肥器を用い,60aおよび1ha規模の現地試験を実施した。本施肥法は粒状肥料の動力散布や顆粒状肥料の水口流入施肥より高い均一施用効果が得られた。2)窒素成分が尿素主体の場合,追肥時の田面水深が浅いほど田面水中から施用窒素の減少消失率が大きくなった。また,同じ田面水深の場合,日減水深が大きい条件でより減少率が大きかった。3)^<15>N標識硫安の施用試験では施肥時の田面水深と水稲の施肥窒素利用率には,一定の傾向は認められなかった。硫安は施肥条件にかかわらず50%前後の施肥窒素利用率であったが,尿素は日減水深0.8cm以下で利用率が40%以下に低下し0.8cm以上では硫安と同等の50%の利用率であった。
抄録
内容記述タイプ Abstract
内容記述 The application method of liquid fertilizer with irrigation water was tested in large scale paddy fields using a newly developed fertilizer supplier which can make a supplying rate of liquid fertilizer constant. Uniformity of fertilization, change in the nitrogen concentration of flooded water and absorption of applied nitrogen by paddy rice were examined. High uniformity of fertilization was achieved with this method as compared with a conventional broadcast application of granular fertilizer, or an inflow fertilization of granule-like fertilizer with irrigation water. When urea was applied as liquid fertilizer, the fertilizer-N disappeared quickly from ponding water under shallow conditions of ponding water depth. In the case of the same depth of ponding water, the rate of reduction was large under conditions of large permeability of water. The nitrogen utilization rates of urea and ammonium sulfate labeled with ^<15>N were not related to the depth of ponding water at the time of fertilization. When ammonium sulfate was supplied the nitrogen utilization rate was around 50% regardless of fertilization conditions; however, the urea-N utilization rate fell to 40% or less at a permeability of ponding water of 0.8cm day^<-1> or less, while it increased to 50% equivalent to ammonium sulfate, at 0.8cm day^<-1> or more permeability.
書誌情報 日本土壌肥料學雜誌
en : 日本土壌肥料學雜誌

巻 76, 号 6, p. 811-816, 発行日 2005-12
出版者
出版者 日本土壌肥料学会
ISSN
収録物識別子タイプ ISSN
収録物識別子 00290610
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00195767
権利
権利情報 一般社団法人日本土壌肥料学会
権利
権利情報 本文データは学協会の許諾に基づきCiNiiから複製したものである
著者版フラグ
値 publisher
異版である
関連タイプ isVersionOf
識別子タイプ URI
関連識別子 http://ci.nii.ac.jp/naid/110004734890
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