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  1. 紀要論文
  2. 琉球大学農学部学術報告
  3. 46号
  1. 部局別インデックス
  2. 農学部

クラストが土壌の浸透能に及ぼす影響について : 現地圃場における事例

http://hdl.handle.net/20.500.12000/3671
http://hdl.handle.net/20.500.12000/3671
76b8aab9-6010-4d73-8dbb-ed7ca3539010
名前 / ファイル ライセンス アクション
KJ00000161881.pdf KJ00000161881.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 クラストが土壌の浸透能に及ぼす影響について : 現地圃場における事例
言語 ja
作成者 宮良, 志乃

× 宮良, 志乃

ja 宮良, 志乃

志茂, 守孝

× 志茂, 守孝

ja 志茂, 守孝

大城, 友和

× 大城, 友和

ja 大城, 友和

翁長, 謙良

× 翁長, 謙良

ja 翁長, 謙良

呉屋, 昭

× 呉屋, 昭

ja 呉屋, 昭

Miyara, Shino

× Miyara, Shino

en Miyara, Shino

Shimo, Moritaka

× Shimo, Moritaka

en Shimo, Moritaka

Oshiro, Tomokazu

× Oshiro, Tomokazu

en Oshiro, Tomokazu

Onaga, Kenryo

× Onaga, Kenryo

en Onaga, Kenryo

Goya, Akira

× Goya, Akira

en Goya, Akira

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
主題
言語 ja
主題Scheme Other
主題 クラスト
言語 ja
主題Scheme Other
主題 畑地浸入能
言語 ja
主題Scheme Other
主題 透水係数
言語 ja
主題Scheme Other
主題 粒径組成
内容記述
内容記述タイプ Other
内容記述 1) 浸入能はクラストの形成によって大きく抑制された。2) クラスト地における土壌表層(0∿5cm)の透水係数が3土壌とも低い値となった。また,クラストが土壌の透水性に及ぼす影響が裸地区において著しいことが認められた。3) クラスト地における土壌表層で,粘土・シルト分が多いことから,クラストが分散土粒子によって形成されることが認められた。4) 植生区では,土壌表面が被覆物によって雨滴の衝撃から保護されるため,クラスト形成が時間的に遅延されることが示唆された。
内容記述タイプ Other
内容記述 While crust was formed on the soil surface, seed germination rate and the infiltration of rain water would be reduced, and then prompt to produce more runoff induced soil erosion. Therefore, it is very important to study the crust formation mechanism for establishing the countermeasure for controlling soil crust. In this paper, approaches were made to examine the crust formation mechanism of Kunigami-mahji, Jahgaru and Shimajiri-mahji soils. Infiltration capacity of soil could be greatly reduced by the formation of crust. Hydraulic conductivity of crusted topsoil (0-0.5cm) was less than that of three soils mentioned above. The topsoils contained much more silt and clay particles. In vegetated plots, mulching protected soil surface from raindrop impact, so the formation of crust was delayed.
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/20.500.12000/3671
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 46, p. 113-119
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