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Great Lakes)の収量と土壌理化学性に及ぼすフィルタケーキ施用の効果をポット試験により調べた。土壌は琉球大学附属農場の暗赤色土壌を用い, 土壌1kg(ポット)当たり第一製糖(株)提供のフイルタケーキを現物重で0,75,150,300gずつ混合処理(4連)し, レタス苗1本ずつを植付け62日間(1989年12月29日\u0026acd;1979年3月1日)ビニールハウス内で栽培した。レタスの収量についてみると, フイルタケーキの施用により茎葉生重は有意に増加したが, 茎葉及び根の乾物重は逆に減少した。栽培後の土壌を分析した結果フイルタケーキ施用量の増加に伴ない, pH, CEC, 置換性塩基含量, 窒素含量, 炭素含量, 有効態リン酸含量など一般化学性及び養分状態が良くなる傾向にあった。土壌Ehは処理区では400mv以下に低下しているものが多かった。活性二価鉄や置換性マンガン濃度には変化がなく, 易還元性マンガンはフイルタケーキ施用量の増加に伴ない減少する傾向が見られた。この試験からフイルタケーキの過剰施用は土壌Ehその他不明の原因によりレタス根の生育阻害が起こり, ひいてはそれが茎葉の収量低下につながる可能性のあることが示唆された。", "subitem_description_type": "Other"}, {"subitem_description": "The obiectives were to test the effects of filter-cake on lettuce yields and soil characteristics. A dark-red soil was mixed with filter-cake at the rates of 0,75,150 and 300g per kg of soil by fresh weight basis and used a potting medium. Lettuce was grown for 62 days on it. The yields of lettuce as fresh foliage increased significantly by the treatments, but the dry matter of foliage and especially roots declined with an increase in filter-cake incorporation. The soil was found to improve chemical properties by the treatments in general. The oxidation-reduction potential (Eh) of the soil was below 400mv in many of the treated pots. No changes were recognized in the concentration of active ferrous and exchangeable manganese. Easily reducible manganese tended to decrease by the treatments in contrast with the rise of soil pH. 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レタス収量と土壌理化学性に及ぼすフイルタケーキ施用の効果(農芸化学科)
http://hdl.handle.net/20.500.12000/3959
http://hdl.handle.net/20.500.12000/3959d2a2c08e-03f4-4ca8-b75d-442538889f11
名前 / ファイル | ライセンス | アクション |
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KJ00000162199.pdf
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Item type | デフォルトアイテムタイプ(フル)(1) | |||||||||
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公開日 | 2008-02-14 | |||||||||
タイトル | ||||||||||
タイトル | レタス収量と土壌理化学性に及ぼすフイルタケーキ施用の効果(農芸化学科) | |||||||||
言語 | ja | |||||||||
タイトル | ||||||||||
タイトル | Effects of Filter-cake Incorporation on Yields of a Vegetable and Soil Characteristics (Department of Agricultural Chemistry) | |||||||||
言語 | en | |||||||||
作成者 |
大屋, 一弘
× 大屋, 一弘
× Oya, Kazuhiro
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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 | |||||||||
内容記述 | ||||||||||
内容記述タイプ | Other | |||||||||
内容記述 | レタス(Lectuca sativa L; Culti. Great Lakes)の収量と土壌理化学性に及ぼすフィルタケーキ施用の効果をポット試験により調べた。土壌は琉球大学附属農場の暗赤色土壌を用い, 土壌1kg(ポット)当たり第一製糖(株)提供のフイルタケーキを現物重で0,75,150,300gずつ混合処理(4連)し, レタス苗1本ずつを植付け62日間(1989年12月29日∿1979年3月1日)ビニールハウス内で栽培した。レタスの収量についてみると, フイルタケーキの施用により茎葉生重は有意に増加したが, 茎葉及び根の乾物重は逆に減少した。栽培後の土壌を分析した結果フイルタケーキ施用量の増加に伴ない, pH, CEC, 置換性塩基含量, 窒素含量, 炭素含量, 有効態リン酸含量など一般化学性及び養分状態が良くなる傾向にあった。土壌Ehは処理区では400mv以下に低下しているものが多かった。活性二価鉄や置換性マンガン濃度には変化がなく, 易還元性マンガンはフイルタケーキ施用量の増加に伴ない減少する傾向が見られた。この試験からフイルタケーキの過剰施用は土壌Ehその他不明の原因によりレタス根の生育阻害が起こり, ひいてはそれが茎葉の収量低下につながる可能性のあることが示唆された。 | |||||||||
内容記述 | ||||||||||
内容記述タイプ | Other | |||||||||
内容記述 | The obiectives were to test the effects of filter-cake on lettuce yields and soil characteristics. A dark-red soil was mixed with filter-cake at the rates of 0,75,150 and 300g per kg of soil by fresh weight basis and used a potting medium. Lettuce was grown for 62 days on it. The yields of lettuce as fresh foliage increased significantly by the treatments, but the dry matter of foliage and especially roots declined with an increase in filter-cake incorporation. The soil was found to improve chemical properties by the treatments in general. The oxidation-reduction potential (Eh) of the soil was below 400mv in many of the treated pots. No changes were recognized in the concentration of active ferrous and exchangeable manganese. Easily reducible manganese tended to decrease by the treatments in contrast with the rise of soil pH. From the present experiment, implied were too high a rate of filtercake incorporation would give vegetable roots unfavorable effects caused by lowered soil Eh and undetected factors. | |||||||||
内容記述 | ||||||||||
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 | eng | |||||||||
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/20.500.12000/3959 | |||||||||
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 | ||||||||||
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 | |||||||||
収録物名 | ||||||||||
言語 | en | |||||||||
収録物名 | The Science Bulletin of the Faculty of Agriculture. University of the Ryukyus | |||||||||
書誌情報 |
号 31, p. 21-28, 発行日 1984-11-19 |