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酸性土壌におけるサンゴ砂混合がキウリ苗の生育に及ぼす影響
http://hdl.handle.net/20.500.12000/0002015376
http://hdl.handle.net/20.500.12000/00020153763830405d-a841-42d6-961e-b7b619fa87fc
| 名前 / ファイル | ライセンス | アクション | |
|---|---|---|---|
363.pdf
|
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| Item type | デフォルトアイテムタイプ（フル）(1) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 公開日 | 2009-01-29 | |||||||||
| タイトル | ||||||||||
| タイトル | 酸性土壌におけるサンゴ砂混合がキウリ苗の生育に及ぼす影響 | |||||||||
| 言語 | ja | |||||||||
| 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 | |||||||||
| 権利情報 | ||||||||||
| 言語 | ja | |||||||||
| 権利情報 | 沖縄農業研究会 | |||||||||
| 内容記述 | ||||||||||
| 内容記述タイプ | Other | |||||||||
| 内容記述 | 粘板岩を母材とする酸性土壌（赤色土）に炭カル成分を含むサンゴ砂を種々の割合で混ぜ，それを培地として地這キウリをポットに育苗し，酸性土壌対サンゴ砂の混合割合とキウリ苗生育の関係を調べた。酸性土壌対サンゴ砂の混合割合は10：0（No.1区)，9：1（No.2区），8：2（No.3区），6：4（No.4区），2：8（No.5区）の5段階とした。混合培地のpHはNo.1区（対照区）で4.7，No.5区で7.1となった。播種後3週目のキウリ苗の生育を本葉数、茎長，根の伸長，生重（地上部＋根）などのパラメーターで比較すると，何れもNo.2区（pH5.6）で最も良く，次にNo.3区（pH6.1）であった。キウリ苗の乾物％はNo.3区で9.4％と最も高かったが，苗全体の乾物重はやはりNo.2区で最大であった。No.2及びNo.3区に比べるとNo.1及びNo.5区のキウリの生育は著しく悪かったが，その主な原因は発現症状によりNo.1区ではカルシウム欠乏，No.5区ではマンガン欠乏によるものと考えられた。以上より酸性土壌にサンゴ砂は有用であると考えられるが，供試土壌におけるキウリ育苗の場合サンゴ砂約10％（土壌対サンゴ砂＝9：1）を混ぜて培地とするのが最適であった。 | |||||||||
| 内容記述タイプ | Other | |||||||||
| 内容記述 | A pot experiment was conducted to test low pH tolerance of cucumber (Cucumis sativus L. ; Culti.) and acidity amelioration effect of coral sand which contained calcium carbonate in August, 1985. A Red soil, which was derived from slate and was acidic in reaction(pH4.7) was mixed with coral sand at the soil to coral sand ratios of 10:0, 9:1, 8:2, 6:4 and 2:8. The mixtures were replicated twice. The cucumber was planted in pots (12 cm in dia. and 12 cm in height) which contained about 500 cc of the respective mixtures, and grown were 2 plants per pot for 3 weeks. The pH values were 4.7, 5.6, 6.1, 6.4 and 7.1 for the 10:0, 9:1, 8:2, 6:4 and 2:8 mixtures, respectively. The growth of the cucumber seedlings as determined by number of leaf, length of stem, and fresh and dry weights, was best obtained on the 9:1 mixtures followed by the 8:2. The seedlings showed symptoms likely to be calcium deficiency on the 10:0 mixtures of check and probable symptoms of manganese deficiency on the 2:8 mixtures. From the above it was concluded that the tested cucumber cultivar was not very tolerant to low soil pH, the coral sand was effective enough to ameliorate low pH of the soil, and incorporation of about 10% coral sand with the tested acid soil would make good nursery bed for the cucumber. | |||||||||
| 内容記述タイプ | Other | |||||||||
| 内容記述 | 論文 | |||||||||
| 出版者 | ||||||||||
| 言語 | ja | |||||||||
| 出版者 | 沖縄農業研究会 | |||||||||
| 言語 | ||||||||||
| 言語 | jpn | |||||||||
| 資源タイプ | ||||||||||
| 資源タイプ | journal article | |||||||||
| 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 | |||||||||
| 収録物識別子 | ||||||||||
| 収録物識別子タイプ | ISSN | |||||||||
| 収録物識別子 | 1344-1477 | |||||||||
| 収録物識別子タイプ | NCID | |||||||||
| 収録物識別子 | AN00083297 | |||||||||
| 収録物名 | ||||||||||
| 言語 | ja | |||||||||
| 収録物名 | 沖縄農業 | |||||||||
| 書誌情報 |
巻 21, 号 1･2, p. 1-6 |
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