Advances in Remediation of Acid Agricultural Soils Contaminated by Heavy Metals in South China

2018 ◽  
pp. 389-397
Author(s):  
Qitang Wu ◽  
Zebin Wei ◽  
Xinxian Long ◽  
Chengai Jiang
Keyword(s):  
Heavy Metals ◽  
South China ◽  
Agricultural Soils

Heavy metals in agricultural soils of the Pearl River Delta, South China

2002 ◽  
Vol 119 (1) ◽  
pp. 33-44 ◽  
Author(s):  
S.C Wong ◽  
X.D Li ◽  
G Zhang ◽  
S.H Qi ◽  
Y.S Min
Keyword(s):  
Heavy Metals ◽  
South China ◽  
Pearl River Delta ◽  
Agricultural Soils ◽  
River Delta ◽  
Pearl River ◽  
The Pearl River Delta ◽  
The Pearl River

scholarly journals Spatial distribution and risk assessment of toxic metals in agricultural soils from endemic nasopharyngeal carcinoma region in South China

2020 ◽  
Vol 12 (1) ◽  
pp. 568-579
Author(s):  
Liping Mo ◽  
Yongzhang Zhou ◽  
Gnanachandrasamy Gopalakrishnana ◽  
Xingyuan Li
Keyword(s):  
Nasopharyngeal Carcinoma ◽  
South China ◽  
Toxic Metals ◽  
Agricultural Soils ◽  
Hazard Index ◽  
Toxic Metal ◽  
Carcinogenic Risk ◽  
Pollution Indices ◽  
High Incidence ◽  
Low Incidence

AbstractSihui city (South China) is much affected by nasopharyngeal carcinoma (NPC). To investigate the relationships between the toxic metals in soil and NPC incidence in Sihui, 119 surface soil samples were collected from agricultural fields and analyzed. The soil As–Cr contents in Longjiang (high-incidence area) are significantly lower than those in Weizheng and Jianglin (low-incidence areas), whereas the soil Pb content in Longjiang is significantly higher than that in Weizheng. The Nemerow pollution indices (PIN) of soils decrease in the order of Jianglin > Weizheng > Longjiang. The enrichment factor (EF) of Cd indicates that the Cd enrichment is contributed by human activities. Potential toxic metal-related ecological risk values decrease in the order of Jianglin > Weizheng > Longjiang. The mean hazard index (HI) value of Longjiang was lower than those of Weizheng and Jianglin. There are no adverse noncarcinogenic health effects of soil toxic metals to adults in the study areas. Carcinogenic risks of As and Cr via ingestion and dermal contact and total carcinogenic risk are within the warning range, from 10−6 to 10−4. Hence, we suggest that toxic metals in the soil may not be major geochemical carcinogenic factors of high NPC incidence in Sihui.

Vertical Distribution and Mobility of Heavy Metals in Agricultural Soils along Jishui River Affected by Mining in Jiangxi Province, China

2014 ◽  
Vol 42 (10) ◽  
pp. 1450-1456 ◽  
Author(s):  
Guannan Liu ◽  
Wei Xue ◽  
Li Tao ◽  
Xinhui Liu ◽  
Jing Hou ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Vertical Distribution ◽  
Agricultural Soils ◽  
Jiangxi Province

scholarly journals Assessment of heavy metals in soils of a vineyard region with the use of principal component analysis

2009 ◽  
Vol 66 (3) ◽  
pp. 361-367 ◽  
Author(s):  
Gustavo Souza Valladares ◽  
Otávio Antônio de Camargo ◽  
José Ruy Porto de Carvalho ◽  
Alessandra Maria Cia Silva
Keyword(s):  
Heavy Metals ◽  
Principal Component Analysis ◽  
Agricultural Soils ◽  
Principal Component ◽  
Component Analysis ◽  
Soil Samples ◽  
Metal Concentrations ◽  
Zn Content ◽  
Heavy Metals In Soils ◽  
Cu And Zn

Agricultural management with chemicals may contaminate the soil with heavy metals. The objective of this study was to apply Principal Component Analysis and geoprocessing techniques to identify the origin of the metals Cu, Fe, Mn, Zn, Ni, Pb, Cr and Cd as potential contaminants of agricultural soils. The study was developed in an area of vineyard cultivation in the State of São Paulo, Brazil. Soil samples were collected and GPS located under different uses and coverings. The metal concentrations in the soils were determined using the DTPA method. The Cu and Zn content was considered high in most of the samples, and was larger in the areas cultivated with vineyards that had been under the application of fungicides for several decades. The concentrations of Cu and Zn were correlated. The geoprocessing techniques and the Principal Component Analysis confirmed the enrichment of the soil with Cu and Zn because of the use and management of the vineyards with chemicals in the preceding decades.

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