WEKO3
アイテム
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沖縄におけるサトウキビの蒸発散量 : 第 6 報 サトウキビの作物係数について(農業工学科)
http://hdl.handle.net/20.500.12000/3860
http://hdl.handle.net/20.500.12000/386056d7cf44-8ead-4c77-acd2-ed9f74a6310a
| 名前 / ファイル | ライセンス | アクション | |
|---|---|---|---|
KJ00000161640.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 | 2008-02-14 | |||||||||
| タイトル | ||||||||||
| タイトル | 沖縄におけるサトウキビの蒸発散量 : 第 6 報 サトウキビの作物係数について(農業工学科) | |||||||||
| 言語 | ja | |||||||||
| 作成者 |
山城, 三郎
× 山城, 三郎
× Yamashiro, Saburo
|
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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 | 本研究はライシメータによって測定したサトウキビの蒸発散量と気象要因から推定した蒸発散位を用いてサトウキビの月平均作物係数について検討するものである。蒸発散量の測定は1967年∿1968年,1968年∿1969年,1970年∿1971年の夏植サトウキビと1983年,1984年の春植サトウキビの株出しについて行われた。蒸発散位の推定には修正ペンマン法,日射量から推定する方法及び蒸発計蒸発量から推定する方法を用いた。サトウキビの月平均作物係数は初期にはなだらかに増大し,ピークに達し,その後減少することが明らかになった。月平均作物係数は蒸発散位の推定方法によって少し異なる値を示した。修正ペンマン法においては,月平均作物係数のピーク1.0∿1.1が7月∿10月に現れた。日射量による方法では,そのピークは8月∿11月に現れ1.1∿1.2となった。蒸発計蒸発量による方法では,そのピーク1.6∿1.8が7月∿10月に現れた。サトウキビの生育最盛期及び月平均作物係数の値から,修正ペンマン法が他の方法に比べよいと考える。 | |||||||||
| 内容記述タイプ | Other | |||||||||
| 内容記述 | This study was done in order to investigate the mean monthly crop coefficient of sugar cane with the evaportranspiration rate measured by lysimeter and potential evaportranspiration rate estimated from meteorological factors. The evaportranspiration rate were mesured during the growing seasons 1967∿1968,1968∿1969,1970∿1971 and 1983,1984. The first three seasons involved summer planted sugar cane whereas the last two seasons involved spring planted ratoons. In order to estimate potential evaportranspiration modified Penman method, radiation method and pan method were used. It became clear that the curves of monthly mean crop coefficient of sugar cane increase smoothly for the first time, arive at peak and then decrease smoothly. The values of monthly mean crop coefficient differed a little from the estimation method of potential evaportranspiration. In Penman method, the peak values of monthly mean crop coefficient 1.0∿1.1 appeared during July to October. In radiation method, the peak values 1.1∿1.2 appeared during August to November. In pan method, the peak values 1.6∿1.8 appeared during July to October. It seems that the Penman method is better than other methods because of the peak growing season and the values of monthly mean crop coefficient. | |||||||||
| 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/20.500.12000/3860 | |||||||||
| 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 37, p. 171-182, 発行日 1990-12-05 |
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