Algal Resources
Online ISSN : 2423-8473
Print ISSN : 1883-3284
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陸生ラン藻イシクラゲの放射性セシウム蓄積へのカリウム化合物の影響
佐々木 秀明宗像 賢一郎村木 研志作山 快吉田 勇稀佐藤 健二竹中 裕行
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2020 年 13 巻 2 号 p. 91-93

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抄録
The terrestrial cyanobacterium Nostoc commune accumulated high concentration of radioactive cesium. In this study, we investigated the effect of soil properties on radioactive cesium uptake by N. commune. A cultivation experiment confirmed that N. commune absorbed radioactive cesium from polluted sand, loam, and humus soil respectively. Especially in sand, the concentration factor of radioactive cesium to N. commune was high. Addition of potassium compounds to soil strongly inhibited radioactive cesium accumulation by N. commune. Of the three potassium compounds, KNO3, KH2PO4 and K2SO4, investigated, K2SO4 had the most prominent inhibitory effect.
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© 2020 日本応用藻類学会
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