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- Title
Evaluation of Mercury Uptake and Distribution in Rice (<italic>Oryza sativa</italic> L.).
- Authors
Hang, Xiaoshuai; Gan, Fangqun; Chen, Yudong; Chen, Xiaoqin; Wang, Huoyan; Du, Changwen; Zhou, Jianmin
- Abstract
Mercury (Hg) contamination in soil-rice systems from industry, mining and agriculture has received increasing attention recently in China. Pot experiments were conducted to research the Hg accumulation capacity of rice under exogenous Hg in the soil and study the major soil factors affecting translocation of Hg from soil to plant. Soil treated with 2 mg kg−1 Hg decreased rice grain yield and inhibited the growth of rice plants. With increased Hg contamination of the rice, the enrichment rate of Hg was significantly higher in the rice grain than that in the stalk and leaf. Soil pH and cation exchange capacity are the key factors controlling Hg bioavailability in soils.
- Subjects
MERCURY in soils; RICE; MINERAL industries; BIOACCUMULATION; SOIL pollution; PHYSIOLOGY
- Publication
Bulletin of Environmental Contamination & Toxicology, 2018, Vol 100, Issue 3, p451
- ISSN
0007-4861
- Publication type
Article
- DOI
10.1007/s00128-017-2237-9