The DOI matches its Crossref record; 32 of the 32 references it cites were found in a registry or an index.
Mitigation of Arsenic Accumulation in Rice with Water Management and Silicon Fertilization
Abstract
Rice represents a major route of As exposure in populations that depend on a rice diet. Practical measures are needed to mitigate the problem of excessive As accumulation in paddy rice. Two potential mitigation methods, management of the water regime and Si fertilization, were investigated under greenhouse conditions. Growing rice aerobically during the entire rice growth duration resulted in the leastAs accumulation. Maintaining aerobic conditions during either vegetative or reproductive stage of rice growth also decreased As accumulation in rice straw and grain significantly compared with rice grown under flooded conditions. The effect of water management regimes was consistent with the observed effect of flooding-induced arsenite mobilization in the soil solution. Aerobic treatments increased the percentage of inorganic As in grain, but the concentrations of inorganic As remained lower than in the flooded rice. Silicon fertilization decreased the total As concentration in straw and grain by 78 and 16%, respectively, even though Si addition increased As concentration in the soil solution. Silicon also significantly influenced As speciation in rice grain and husk by enhancing methylation. Silicon decreased the inorganic As concentration in grain by 59% while increasing the concentration of dimethylarsinic acid (DMA) by 33%. There were also significant differences between two rice genotypes in grain As speciation. This study demonstrated that water management Si fertilization, and selection of rice cultivars are effective measures that can be used to reduce As accumulation in rice.
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Cites
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Self-citationTransporters of arsenite in rice and their role in arsenic accumulation in rice grain
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Self-citationArsenic uptake and metabolism in plants
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Self-citationEffect of redox potential and pH on arsenic speciation and solubility in a contaminated soil
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Meharg, A. A., & Rahman, M. M. (2003) · Environmental Science & Technology · doi:10.1021/es0259842 · Cited by 1,018
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An efflux transporter of silicon in rice
Ma, J. F., Yamaji, N., Mitani, N., Tamai, K., Konishi, S., Fujiwara, T., Katsuhara, M., & Yano, M. (2007) · Nature · doi:10.1038/nature05964 · Cited by 927
Self-citationSoil, Fertilizer, and Plant Silicon Research in Japan
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Variation in Arsenic Speciation and Concentration in Paddy Rice Related to Dietary Exposure
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Cited by
Zhao, F.-J., McGrath, S. P., & Meharg, A. A. (2010) · Annual Review of Plant Biology · doi:10.1146/annurev-arplant-042809-112152 · Cited by 1,246
Self-citationArsenic and cadmium accumulation in rice and mitigation strategies
Zhao, F.-J., & Wang, P. (2020) · Plant and Soil · doi:10.1007/s11104-019-04374-6 · Cited by 624
Self-citationEarth Abides Arsenic Biotransformations
Zhu, Y.-G., Yoshinaga, M., Zhao, F.-J., & Rosen, B. P. (2014) · Annual Review of Earth and Planetary Sciences · doi:10.1146/annurev-earth-060313-054942 · Cited by 550
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Metadata
- Authors
- Li, R. Y., Stroud, J. L., Ma, J. F., McGrath, S. P., & Zhao, F. J.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-04-14
- Volume
- 43
- Issue
- 10
- Pages
- 3778-3783
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2012051934
- Cited by
- 422
- References
- 32
- FWCI
- 15.61
- Type
- journal article
- Language
- en
- Open access
- closed
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- Li, R. Y., Stroud, J. L., Ma, J. F., McGrath, S. P., & Zhao, F. J. (2009). Mitigation of Arsenic Accumulation in Rice with Water Management and Silicon Fertilization. Environmental Science & Technology. https://doi.org/10.1021/es803643v
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