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Bioaccumulation of Selenium, Heavy Metals and Rare Earth Elements with Different Rice Cultivars Grown on Seleniferous Soils in Lianchen County, Fujian Province, China

文献类型： 外文期刊

作者： Chen, Minjian 1 ; Chen, Jinying 2 ; Wang, Huangping 3 ; Lu, Xianyong 4 ; Luo, Xuhui 1 ; Wang, Mingkuang 5 ;

作者机构： 1.Fujian Acad Agr Sci, Inst Agr Ecol, Fujian Prov Key Lab Agroecol Proc Hilly Red Soil, 247 Wusi Rd, Fuzhou 350013, Peoples R China

2.Agr & Rural Bur Liancheng Cty, Stn Soil & Fertilizer, 55 Beidadong Rd, Lianchen 66200, Peoples R China

3.Fujian Acad Agr Sci, Inst Soil & Fertilizer, 247 Wusi Rd, Fuzhou 350013, Peoples R China

4.Fujian Prov Inst Testing Technol, 61 Beihuangzhong Rd, Fuzhou 350003, Peoples R China

5.Natl Taiwan Univ, Dept Agr Chem, 1 Sec Roosevelt Rd, Taipei 10617, Taiwan

关键词： heavy metals; husk; leaf; paddy soils; rare earth elements; rice; root; selenium; stem

期刊名称：ENVIRONMENTS （ 影响因子：3.7； 五年影响因子：3.6 ）

ISSN：

年卷期： 2023 年 10 卷 7 期

页码：

收录情况： SCI

摘要： Seleniferous red soils cover a large area in the southern part of China. These agricultural soils are enriched in selenium (Se), heavy metals, and rare earth elements and have been cultivated for more than 1000 years for rice production without any consideration of the effects of selenium, heavy metals, and rare earth element bioaccumulation in the food plants produced. To address this knowledge gap, this study focuses on the investigation of Se, heavy metals, and rare earth elements within soils and plants in the region. The rice (Oryza spp.) plants studied were grown in the Gutian (GT), Gechuan (GC), and Pengkou (PK) villages in Lianchen (LC) County, Fujian Province. The surface soils and harvested rice tissues were collected to determine the Se, Cd, Zn, Pb, La, Ce, and Nd concentrations in the soils and plant tissues. Different rice cultivars possessed various potentials for elemental accumulation. Generally, rice plant tissues accumulated certain amounts of these elements; however, the elemental concentrations found in rice grain were within the acceptable ranges stipulated by the National Security Standard of Food. The Hongbaoshi (HBS) Indica red rice produced in the PK village accumulated more selenium, heavy metals, and rare earth elements than those in the plant tissues of the Xinyinzhan (XYZ) and Wushansimiao (WSSM) rice cultivars because HBS had more root hairs and finer root distribution. Thus, in the interest of food safety, increased attention needs to be given to the careful selection of the optimum crop species planted in these types of seleniferous red soils.

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