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題 名 | 臺灣中部水稻與土壤中鎳之研究=Studies on Nickel of Rice and Paddy Soils in Central Taiwan |
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作 者 | 劉黔蘭; | 書刊名 | 農林學報 |
卷 期 | 51:1 2002.03[民91.03] |
頁 次 | 頁57-71 |
分類號 | 434.111 |
關鍵詞 | 水稻; 水田; 鎳; |
語 文 | 中文(Chinese) |
中文摘要 | 工廠廢水排入灌溉溝圳,導致稻田受到重金屬如鎘、鉻、鎳、鉛、鋅等污染,經水稻吸收至可食部,對人體健康造成影響頗巨。本研究目的即在探討鎳在土壤與水稻體之關係。 選臺中、彰化及雲林20處試驗區,分析三年間六期稻作土壤及植體中鎳含量。兩期作土壤中0.1M HC1萃取的鎳濃度差異不顯著。表土及�堣g中0.1M HC1萃取鎳量與王水萃取者呈極明顯的直線正相關。1995年水稻殼鎳一期作高於二期作。其他部位三年間六期作鎳濃度差異均不顯著。三年六期作糙米、白米及稻根中鎳濃度與表土中鎳濃度均有極顯著的直線相關,莖葉及殼中則有三期作呈極顯著直線相關。 |
英文摘要 | Paddy soils might be contaminated by Cd, Cr, Cu, Ni, Pb and Zn due to the effluent of industrial waste into the irrigation water, and in the consequence of being harmful to the human health. The purpose of this study was to investigate the nickel of rice in the contaminated coils, and the relationships of rice and soil. Twenty test areas were selected in Taichung, Changhua and Yinlin Counties. The Ni contents in soils and plants of every crop in three years were analyzed. The results shows that 0.1 M HC1 extractable Ni contents of soils were not significantly different between spring and autumn crop seasons. In 1995, Ni contents in rice hull of spring rice were higher than those of autumn rice. However, the Ni contents in roots, stem, foliar, brown rice and polished rice were not significantly different among six crops in three years. The linear relationships between the Ni concentrations of polished rice, brown rice, root and surface soil are very significance. |
本系統中英文摘要資訊取自各篇刊載內容。