再生水灌溉对番茄品质、重金属含量以及土壤的影响研究
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S273.5 S641.2

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教育部科技司农业科技成果转化基金;国家自然科学基金


Study on Quality of Tomato and Heavy Metal in Soil and Fruit Contribution with Irrigation of Rejuvenated Water
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    摘要:

    通过田间试验,分析了再生水灌溉对番茄果实品质、重金属以及土壤重金属的影响。结果表明,番茄果实中蛋白质、维生素C、有机酸含量为清水灌溉(QG)〉清水再生水交替灌溉(HG)〉再生水灌溉(zG),差异显著;番茄果实中Cr,Cd,Pb的含量随再生水灌溉量的增大而增大,差异不显著,没有造成重金属的累积,而且远低于国家无公害蔬菜安全标准。土壤中的重金属含量差异不显著,远低于国家土壤质量标准。因此,经过二级处理后的再生水,短期灌溉除了降低番茄部分品质外,不会造成重金属在番茄果实和土壤中的累积。

    Abstract:

    Field experiments were conducted to study the impact of rejuvenated water irrigation on the quality of tomato, the heavy metal element in fruit and soil. The results showed that, the protein, vitamin C and organic acid contents of tomato are highest under the QG treatment,followed by HG, and are lowest under the ZG, the differences are notable. It is also discovered that the Cr, Cd and Pb contents in the fruit increased with the advance of the irrigation volume of the rejuvenated water, the differences are not distinct. The accumulation of the heavy mental element in the fruit was not founded with the use of rejuvenated water and the data received in the test were far less than the Chinese National Standard. The difference of the heavy mental element contents in the soil was also not distinct and the data were far less than Chinese National soil quality standard either. The rejuvenated water was used in the experiments. The conclusion is that the short-term irrigation using this water only reduced part of the tomato qualities; heavy mental element was cumulated in neither tomato nor soil.

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李波,任树梅,张旭,孔清华.再生水灌溉对番茄品质、重金属含量以及土壤的影响研究[J].水土保持学报,2007,(2):163~165

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  • 收稿日期:2006-12-11
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