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  1. 紀要論文
  2. 琉球大学農学部学術報告
  3. 20号
  1. 部局別インデックス
  2. 農学部

石灰岩土壤の圃場容水量 第 1 報(農業工学科)

http://hdl.handle.net/20.500.12000/4430
http://hdl.handle.net/20.500.12000/4430
0ce69a81-d98b-4614-b491-55b9d530bfb9
名前 / ファイル ライセンス アクション
KJ00000162439.pdf KJ00000162439.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2008-02-14
タイトル
タイトル 石灰岩土壤の圃場容水量 第 1 報(農業工学科)
言語 ja
作成者 山城, 三郎

× 山城, 三郎

ja 山城, 三郎

Yamashiro, Saburo

× Yamashiro, Saburo

en Yamashiro, Saburo

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
内容記述
内容記述タイプ Other
内容記述 1本研究は沖縄における石灰岩土壌の圃場容水量について検討したものである。2調査は1972年7月∿1973年3月に, 糸満市, 今帰仁村および石垣市で行なった。又圃場容水量としては24時間圃場容水量を採用し, PF値は2mmフルイを通過した資料を用いて遠心分離機により測定した。3この資料によれば, 重量含水比で示した圃場容水量と仮比重は逆比例関係にある。4糸満市と今帰仁村の資料によれば,石灰岩土壌の圃場容水量はPF値で示すと平均値が約1.9で, ほぼ1.4∿2.3の間にある。5これらのPF値は自然土壌を用いて測定したならばいくらか変わるものと考えられる。
内容記述タイプ Other
内容記述 1. This study was done in order to investigate the field capacity of limestone soil in Okinawa. 2. The investigation was conducted in Itoman-city, Nakijin-son and Ishigaki-city from July, 1972 to March, 1973. The field capacity in this investigation is water holding capacity after 24 hours of soil satulation. The PF values were measured by centrifugal seperator with each sample after passing through a 2mm. sieve. 3. According to the data, field capacity (percentage by weight) is inversely proportional to apparent specific gravity. 4. According to the data in Itoman-city and Nakijin-son, the PF values on field capacity of limestone soil are between 1.4 and 2.3,and average is about 1.9. 5. The PF values on field capacity may vary to some extent, if they were measured with natural soil.
内容記述タイプ Other
内容記述 紀要論文
出版者
言語 ja
出版者 琉球大学農学部
言語
言語 jpn
資源タイプ
資源タイプ departmental bulletin paper
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/4430
識別子タイプ HDL
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 0370-4246
収録物識別子タイプ NCID
収録物識別子 AN00250548
収録物名
言語 ja
収録物名 琉球大学農学部学術報告
書誌情報
号 20, p. 145-157
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