ArticleEnvironmental science and pollution research international2019
A paddy field study of arsenic and cadmium pollution control by using iron-modified biochar and silica sol together.
Article in Environmental science and pollution research international, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Biochar for Soil Amendment: Applications, Benefits, and Environmental Impacts.Bioengineering (Basel, Switzerland) · 2025Review
- Iron-modified biochar modulates root metabolism, mitigates antimony accumulation and enhances growth in rice (Oryza sativa).BMC plant biology · 2025Article
- Integration of physio-biochemical, biological and molecular approaches to improve heavy metal tolerance in plants.3 Biotech · 2025Review
- Application of Exogenous Iron Alters the Microbial Community Structure and Reduces the Accumulation of Cadmium and Arsenic in Rice (Nanomaterials (Basel, Switzerland) · 2022Article
- Iron-Modified Biochar Strengthens Simazine Adsorption and Decreases Simazine Decomposition in the Soil.Frontiers in microbiology · 2022Article
- Physiological of biochar and α-FeJournal of nanobiotechnology · 2021Article
- Regulation of As and Cd accumulation in rice by simultaneous application of lime or gypsum with Si-rich materials.Environmental science and pollution research international · 2021Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
Under flooded conditions in paddy soil, the mobility of As increases while the mobility of Cd decreases. The opposite geochemical behavior of As and Cd makes it difficult to reduce their mobilities simultaneously. Our recent study found that combined applications of biochar and zero-valent iron successfully reduced the mobilities of As and Cd simultaneously. On this basis, in the present study, an iron-modified biochar (Fe-BC) was developed, and its effect on decreasing the accumulations of As and Cd in rice was verified in a 2-year field trial. In addition, previous studies indicated that silicon fertilizer can also reduce As and Cd accumulation in rice grain. Hence, the effect of the combined or separate application of Fe-BC and silica sol on As and Cd accumulation in rice grain was investigated. Over the 2-year field trial, the grain yields decreased in the following order: iron-modified biochar plus silica sol (Fe-BC plus Si) > silica sol (Si) > Fe-BC > control (CK). Concentrations of As and Cd in brown rice were in the order: Fe-BC plus Si < Si ≈ Fe-BC < CK. The treatments of Fe-BC and Fe-BC plus Si significantly increased the soil pH and thus decreased available As and available Cd in the soil. In addition, significantly positive correlations between available As and As in brown rice and between available Cd and Cd in brown rice were found. In conclusion, co-application of iron-modified biochar and silica sol should be a recommended strategy to reduce the accumulation of As and Cd in rice grains.
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