Accumulation and Distribution of Heavy Metals in Thai Jasmine Rice in Mae Sot Paddy Field, Tak Province, Thailand

2012 ◽  
Author(s):  
Tep Thongsri ◽  
Pornsawan Visoottiviseth ◽  
Pahol Kosiyachinda
Keyword(s):  
Heavy Metals ◽  
Paddy Field ◽  
Tak Province ◽  
Jasmine Rice

Assessment of heavy metals contamination studies in paddy grains around paddy field in Perlis

2020 ◽  
Author(s):  
M. N. A. Uda ◽  
Uda Hashim ◽  
Subash C. B. Gopinath ◽  
M. N. Afnan Uda ◽  
Ahmad Radi Wan Yaakub
Keyword(s):  
Heavy Metals ◽  
Paddy Field ◽  
Heavy Metals Contamination

scholarly journals Risk Assessment of Heavy Metals Contamination in Paddy Soil, Plants, and Grains (Oryza sativaL.) at the East Coast of India

2014 ◽  
Vol 2014 ◽  
pp. 1-11 ◽  
Author(s):  
Deepmala Satpathy ◽  
M. Vikram Reddy ◽  
Soumya Prakash Dhal
Keyword(s):  
Heavy Metals ◽  
Paddy Field ◽  
Toxic Heavy Metals ◽  
Transfer Factors ◽  
Plant Parts ◽  
Adverse Health Effects ◽  
Paddy Field Soil ◽  
Release Potential ◽  
Ranking Order ◽  
Near Future

Heavy metals known to be accumulated in plants adversely affect human health. This study aims to assess the effects of agrochemicals especially chemical fertilizers applied in paddy fields, which release potential toxic heavy metals into soil. Those heavy metals get accumulated in different parts of paddy plant (Oryza sativaL.) including the grains. Concentrations of nonessential toxic heavy metals (Cd, Cr, and Pb) and the micronutrients (Cu, Mn, and Zn) were measured in the paddy field soil and plant parts. Mn and Cd are found to be accumulated more in shoot than in root. The metal transfer factors from soil to rice plant were significant for Pb, Cd, Cu, Cr, Mn, and Zn. The ranking order of bioaccumulation factor (BAF) for heavy metals was Zn > Mn > Cd > Cu > Cr > Pb indicating that the accumulation of micronutrients was more than that of nonessential toxic heavy metals. The concentrations of heavy metals were found to be higher in paddy field soils than that of the nearby control soil but below permissible limits. The higher Health Index (HI) values of rice consuming adults (1.561) and children (1.360) suggest their adverse health effects in the near future.

scholarly journals Removal of Nutrients, Organic Matter and Heavy Metals from Paddy Field Drainage by Charcoal

2009 ◽  
Vol 7 (1) ◽  
pp. 9-17 ◽  
Author(s):  
Asa Miura ◽  
Eisaku Shiratani ◽  
Koji Hamada ◽  
Tadayoshi Hitomi ◽  
Ikuo Yoshinaga ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Organic Matter ◽  
Paddy Field ◽  
Field Drainage

scholarly journals Determination of Heavy Metals in the Paddy Field of Luchu County, Tauyuan.

1997 ◽  
Vol 13 (Supplement) ◽  
pp. 443-445
Author(s):  
Yu-San HUANG ◽  
Kuo-Hsiung LIN ◽  
Chin-Wang HUANG ◽  
Yei-Shung WANG
Keyword(s):  
Heavy Metals ◽  
Paddy Field

Heavy metals accumulation in parts of paddy Oryza sativa L. grown in paddy field adjacent to ultrabasic soil

2015 ◽  
Author(s):  
Waqeed Mahdi Hadif ◽  
Sahibin Abd Rahim ◽  
Ismail Sahid ◽  
Atiqur Rahman Bhuiyan ◽  
Izyanti Ibrahim
Keyword(s):  
Heavy Metals ◽  
Oryza Sativa ◽  
Paddy Field ◽  
Oryza Sativa L ◽  
Heavy Metals Accumulation ◽  
Metals Accumulation

Pollution Loss Rate Assessment of Soil Heavy Metals in Paddy Field with Sewage Irrigation in Guixi City, Jiangxi Province, China

2014 ◽  
Vol 614 ◽  
pp. 658-663 ◽  
Author(s):  
Mian Hao Hu ◽  
Ju Hong Yuan ◽  
Chu Tian Lai
Keyword(s):  
Heavy Metals ◽  
Paddy Field ◽  
Loss Rate ◽  
Pollution Index ◽  
Pollution Assessment ◽  
Total Sample ◽  
Resolving Power ◽  
Jiangxi Province ◽  
Soil Heavy Metals ◽  
Rate Method

Taking paddy field sewage irrigated area in Guixi as an examples, pollution lost rate method was applied to pollution assessment of soil heavy metals. The results showed that the average single pollution lost rate of the soil heavy metals was in the order of Cu>Cd>Pb>Zn>As, and the average single pollution lost rates of Cu and Cd are higher than that of other metals, so the integrated pollution lost rate of the metals in any sample site is contributed by them. From the comprehensive pollution lost rate, most sample sites reached the intermediate level ( IV level) , and accounted for 76. 93% of the total sample sites. most of the samples are moderately polluted (IV level), accounting for 50% of the total number of sample sites, The sample sites of No5 and No6 are slightly polluted (III level), accounting for 33%, and only No1 are heavily polluted (Vlevel), accounting for 16.67% of the total sample sites. As a result, the pollution lost rate method manifested more resolving power in the serious pollution index of the soil.

The Research on the Distribution Characteristics of Heavy Metals in Uranium Mines Soil

2014 ◽  
Vol 1051 ◽  
pp. 528-535
Author(s):  
Yong Wang ◽  
Bai Gao
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Paddy Field ◽  
Distribution Characteristics ◽  
Uranium Mines

A typical paddy field downstream of uranium tailing reservoir was selected to study the distribution of heavy metal and the correlativity of uranium. The results showed that the content of heavy metals in soil has a gradual decreasing trend with increasing distance from the tailings. The contents of Cu、Cd are directly proportional to the vertical depth, the content of Cr is inversely proportional to the vertical depth. Meanwhile, the content of uranium is evidently correlated with Cu and Cr and no correlativity with Cd.

Sampling and analysis of the air-water interface with SEM and EDS of microlayers

1989 ◽  
Vol 47 ◽  
pp. 1004-1005
Author(s):  
Randall W. Smith ◽  
John Dash
Keyword(s):  
Heavy Metals ◽  
Surface Microlayer ◽  
Surface Films ◽  
Water Interface ◽  
Physical Processes ◽  
Infrared Spectroscopic Analysis ◽  
Eds Analysis ◽  
Air Water Interface ◽  
Significant Area ◽  
Bulk Chemical

The structure of the air-water interface forms a boundary layer that involves biological ,chemical geological and physical processes in its formation. Freshwater and sea surface microlayers form at the air-water interface and include a diverse assemblage of organic matter, detritus, microorganisms, plankton and heavy metals. The sampling of microlayers and the examination of components is presently a significant area of study because of the input of anthropogenic materials and their accumulation at the air-water interface. The neustonic organisms present in this environment may be sensitive to the toxic components of these inputs. Hardy reports that over 20 different methods have been developed for sampling of microlayers, primarily for bulk chemical analysis. We report here the examination of microlayer films for the documentation of structure and composition.Baier and Gucinski reported the use of Langmuir-Blogett films obtained on germanium prisms for infrared spectroscopic analysis (IR-ATR) of components. The sampling of microlayers has been done by collecting fi1ms on glass plates and teflon drums, We found that microlayers could be collected on 11 mm glass cover slips by pulling a Langmuir-Blogett film from a surface microlayer. Comparative collections were made on methylcel1ulose filter pads. The films could be air-dried or preserved in Lugol's Iodine Several slicks or surface films were sampled in September, 1987 in Chesapeake Bay, Maryland and in August, 1988 in Sequim Bay, Washington, For glass coverslips the films were air-dried, mounted on SEM pegs, ringed with colloidal silver, and sputter coated with Au-Pd, The Langmuir-Blogett film technique maintained the structure of the microlayer intact for examination, SEM observation and EDS analysis were then used to determine organisms and relative concentrations of heavy metals, using a Link AN 10000 EDS system with an ISI SS40 SEM unit. Typical heavy microlayer films are shown in Figure 3.

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