Distribution characteristics of selenium and heavy metal elements in soil-crop system in ankang, shaanxi, china

IF 0.4 4区生物学 Q4 PLANT SCIENCES

Bangladesh Journal of Botany Pub Date : 2023-08-31 DOI:10.3329/bjb.v52i2.68252

Aorui Li, Jiping Chen, Chi Wang, Zhimin Zhang, Hui Wang, H. Ji, Tianyu Sun, Zhaohua Zeng, Yan-Bing He

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引用次数: 0

Abstract

A total of 229 groups of root vegetables, rice, corn and their root soils were collected in Ankang, Shaanxi, to analyze the characteristics of element migration and transformation in crops and root soil, to compare the migration and enrichment capabilities of various elements in different crops, to explain the characteristics of root soil pH and element correlation, and provide a theoretical basis for agricultural development. Results showed that there were differences in the ability of crops to accumulate various elements in the soil. The absorption capacity of Se, Cd and Zn elements was strong, while the bioaccumulation ability of As, Pb and Cr elements was weak. The contents of Cr, As and Hg were the highest in rice, which were significantly higher than those in root vegetables and corn. The contents of Cd, Cu and Pb in root vegetables were the highest, significantly higher than those in rice and corn. The content of various elements in crops and root soil had a different intensity correlation. Generally speaking, the content of various elements in crops increased with the increase of root soil element content to a certain extent. There was a negative correlation between pH and soil elements, and there was a significant positive correlation between the elements in the root soil of different crops. Bangladesh J. Bot. 52(2): 649-657, 2023 (June) Special

查看原文本刊更多论文

安康土壤-作物系统中硒和重金属元素的分布特征

在陕西安康地区共采集229组根茎类蔬菜、水稻、玉米及其根土，分析作物和根土中元素迁移转化特征，比较不同作物中各种元素的迁移富集能力，解释根土pH和元素相关性特征，为农业发展提供理论依据。结果表明，不同作物对土壤中各种元素的积累能力存在差异。对Se、Cd、Zn等元素的吸收能力较强，而对As、Pb、Cr等元素的生物积累能力较弱。Cr、As和Hg含量以水稻最高，显著高于根茎类蔬菜和玉米。根类蔬菜中Cd、Cu和Pb含量最高，显著高于水稻和玉米。作物中各元素含量与根系土壤呈不同强度的相关关系。一般来说，作物中各种元素的含量在一定程度上随着根系土壤元素含量的增加而增加。pH值与土壤元素呈负相关，不同作物根系土壤元素呈显著正相关。中国生物医学工程学报，52(2):649-657,2023(6):特刊

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来源期刊

Bangladesh Journal of Botany 生物-植物科学

CiteScore

0.80

自引率

0.00%

发文量

审稿时长

9 months

期刊介绍： Bangladesh in situated on the north of Bay of Bengal. Climatically it is a humid subtropical country. Most of the land is deltaic plain of two great rivers, the Ganges and the Bhrammaputra and it tributaries. The country has rich diversity of plants. Main crops cultivated are Rice, Jute, Wheat, Maize, Sugarcane, Mustard and different kinds of Lentils. There are a good number of Public and Private Universities and Plant Research Establishments. Bangladesh Journal of Botany is the official organ of the Bangladesh Botanical Society established in 1972. Since 1972 Bangladesh Journal of Botany is being published regularly. Two issues of the Journal are published, one in June and another in December. Scientific papers (Full paper and short communication) on any field of Plant Sciences from anywhere in the World are considered for publication in Bangladesh Journal of Botany.