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フルテキストURL2007020014.pdf ( 2.6MB ) 公開日 2010-04-16
タイトル乾燥期間が土壌有機態窒素の無機化, 水稲の窒素吸収に及ぼす影響について
タイトルヨミカンソウ キカン ガ ドジョウ ユウキタイ チッソ ノ ムキカ スイトウ ノ チッソ キュウシュウ ニ オヨボス エイキョウ ニツイテ
タイトル別表記Mineralization of soil organic nitrogen and nitrogen absorption by rice plant as affected by drying duration
作成者安藤, 豊
丸本, 卓哉
和田, 源七
中村, 勤
作成者ヨミアンドウ, ホウ
マルモト, タクヤ
ワダ, ゲンシチ
ナカムラ, ツトム
作成者別表記Ando, Ho
Marumoto, Takuya
Wada, Gensichi
Nakamura, Tutomu
作成者所属山口大学農学部
内容記述(抄録等)The effects of moisture content of soil and drying duration on the mineralization of soil organic N and N absorption by rice plants were evaluated using paddy soils derived from alluvial sediment and volcanic soils in tropical and temperate areas. The results obtained are as follows : 1) The amount of N mineralized for 4 weeks incubation increased with the decreasing soil-to-water ratio. No significant difference was observed in the water content of soil when the drying duration was more than 4d. However, the longer the duration of drying, the greater the amount of N was mineralized irrespective of the soils' parent materials and the areas where it was obtained. 2) There were significant differences in the dry weight and amount of N in rice plants among treatments. The amount of N in rice plants increased with the increasing duration of drying up to 6 weeks. However, the dry matter increase of the rice plant grown in soil dried for 8 weeks was smaller than the other treatments despite the highest N mineralization observed in this soil. 3) The mineralization rate of soil organic N was higher at 1 or 2 weeks after incubation than at 3 or 4 weeks.
本文言語jpn
著者キーワード乾燥期間
水稲
窒素吸収
有機態窒素の無機化
drying duration
mineralization of soil organic nitrogen
nitrogen absorption
paddy rice
主題農学
資料タイプtext
ファイル形式application/pdf
出版者日本土壌肥料学会
出版者ヨミニホン ドジョウ ヒリョウ ガッカイ
NII資料タイプ学術雑誌論文
査読の有無査読あり
ISSN0029-0610
NCIDAN00195767
掲載誌名日本土壌肥料学雑誌
掲載誌名別表記Journal of the science of soil and manure, Japan
66
5
開始ページ499
終了ページ505
発行日1995-10-05
関連情報URL(HasVersion)http://ci.nii.ac.jp/naid/110001748141/
著者版/出版社版出版社版
リポジトリID2007020014
地域区分山口大学
URIhttp://www.lib.yamaguchi-u.ac.jp/yunoca/handle/2007020014