Effect of Nitrogen Fertilizers on Pb and Cd Uptake of Rice Plants and Associated Food Safety Lssues

LIU Lan-ying; HUANG Wei; CHEN Li-hua; LÜ Xin; TU Jie-feng; SHANGGUAN Liang; XIE Ya-xing

doi:10.19303/j.issn.1008-0384.2018.10.013

Volume 33 Issue 10

Mar. 2019

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Article Navigation > Fujian Journal of Agricultural Sciences > 2018 > 33(10): 1084-1089

LIU Lan-ying, HUANG Wei, CHEN Li-hua, LÜ Xin, TU Jie-feng, SHANGGUAN Liang, XIE Ya-xing. Effect of Nitrogen Fertilizers on Pb and Cd Uptake of Rice Plants and Associated Food Safety Lssues[J]. Fujian Journal of Agricultural Sciences, 2018, 33(10): 1084-1089. doi: 10.19303/j.issn.1008-0384.2018.10.013

Citation:

LIU Lan-ying, HUANG Wei, CHEN Li-hua, LÜ Xin, TU Jie-feng, SHANGGUAN Liang, XIE Ya-xing. Effect of Nitrogen Fertilizers on Pb and Cd Uptake of Rice Plants and Associated Food Safety Lssues[J]. Fujian Journal of Agricultural Sciences, 2018, 33(10): 1084-1089. doi: 10.19303/j.issn.1008-0384.2018.10.013

Citation:

LIU Lan-ying, HUANG Wei, CHEN Li-hua, LÜ Xin, TU Jie-feng, SHANGGUAN Liang, XIE Ya-xing. Effect of Nitrogen Fertilizers on Pb and Cd Uptake of Rice Plants and Associated Food Safety Lssues[J]. Fujian Journal of Agricultural Sciences, 2018, 33(10): 1084-1089. doi: 10.19303/j.issn.1008-0384.2018.10.013

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Effect of Nitrogen Fertilizers on Pb and Cd Uptake of Rice Plants and Associated Food Safety Lssues

doi: 10.19303/j.issn.1008-0384.2018.10.013

1.
Institute for Agricultural Standards and Testing Technology, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350003, China
2.
Textile Inspection Company Limited of Fujian Province, Quanzhou, Fujian 362000, China

Received Date: 2018-07-19
Rev Recd Date: 2018-08-26
Publish Date: 2018-10-01

Abstract

Abstract

Effect of nitrogen fertilizers on the uptakes of Pb and Cd by rice plants was studied. A pot experiment was conducted using amide, ammonium or nitrate nitrogen fertilizer to determine the responding soil properties, heavy metals bioavailability in rhizosphere soils, and metal uptakes by the plants. The heavy metal contaminations in different parts of a rice plant were evaluated by the pollution indices, and the food safety risk by an assessment model. The results showed that the pH in soil was lowered by the application of ammonium fertilizer, while raised by that of nitrate, as compared to amide. Among the three different nitrogen fertilizers, ammonium introduced significantly less Pb and Cd in the soil, as well as in the rice plants. The risk assessment on the rice did not raise a concern on Pb with ammonium but suggested its use to minimize Cd contamination.
- nitrogen fertilizers,
- heavy metal,
- uptake capacity,
- risk assessment,
- rice

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References(25)

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