scholarly journals State of Heavy Metals Pollution of Flooded Agricultural Land in the North Part of Republic of Srpska

2017 ◽  
Vol 17 (1) ◽  
pp. 19
Author(s):  
Tihomir Predić ◽  
Petra Nikić Nauth ◽  
Bojana Radanović ◽  
Alen Predić

This paper presents the results of the research of soil contamination in flooded area located at the confluence of Bosna and Sava rivers. The sampling was performed according to a network of points Etrs89 reference European Network based on grid points of 500 m x 500 m. The total number of soil samples was 31 and 13 samples of sediment-mud. In the soil samples and sediment-mud samples various parameters were analyzed: pH H2O and 1 M KCl, humus (method by Tjurin), and the readily available phosphorus and potassium (AL method). The interpretation of total content of heavy metals in the soil was conducted according to Dutch Soil Remediation Circular (2009). The samples were analyzed for the total content of heavy metals: Pb, Cd, Cr, Ni, Zn, Cu (aqua regia digestion, AAS) and the elevated concentrations of Ni. However, Ni content in mud was from 240.5 mg/kg to 294.5 mg/kg, in soil it was from 128.9 mg/kg to 452.1 mg/kg. All mud samples were alkaline, and 79% of soil samples were alkaline and of neutral reaction. The analysis indicated that the flood in May 2014 was not caused by soil contamination with heavy metals, which however contributed to the increase of the overall content of these elements in the soil.

Author(s):  
C. Nwakanma ◽  
C. Nmecha ◽  
R.U. Onyeizu

This study assessed the concentrations of heavy metals in soil and surface water from a Lead-Zinc mined pit at Enyigba, Ikwo Local Government Area in Ebonyi State, Nigeria. Soil samples were collected and analysed from different soil depths (0 – 15 cm) and (15 – 30 cm) at a tailing down (marked as TD) and refuse dumpsite (marked as RD) and a vegetation site 50 km away which was used as the control site. Surface water samples were collected from the Enyigba River from three (3) points (marked as point A, B, and C) and were analysed using routine laboratory procedures. The following parameters were analysed for soil: particle size distribution, pH, available phosphorus, total nitrogen, organic carbon, organic matter content, calcium, magnesium, potassium, sodium, exchangeable acidity, and effective cation exchange capacity. The results for mean values of soil samples obtained at both depths were 58.86% (sand), 11.73% (silt) and 34.04% (clay). Mean values obtained for heavy metals from the soil for Iron (Fe) ranged from 3.31 to 2.24 mg/kg: Zinc (Zn) 0.70 to 0.62 mg/kg and Lead (Pb) 0.01 to 0.01 mg/kg). Results obtained for surface water around the mined pit showed mean values for Iron (Fe) 0.57 mg/L, Magnesium (Mg) 151.6 mg/L, Calcium (Ca) 76.62 mg/L, Chlorine (Cl2) 416.6 mg/L and Lead (Pb) 0.01 mg/L. The high concentrations of chlorine make the water unsuitable to be discharged on any agricultural land as plants could accumulate these metals and when consumed could pose serious threat to humans. The discharge from the mining site increased the already slightly high turbidity of the water to a much higher and undesirable level. The mining activity at Enyigba Ikwo LGA, Ebonyi State has negatively impacted the environment through the introduction of heavy metals in soil and surface water, thereby causing an increase in the pollution of the environment. It is recommended that further studies and monitoring should be carried out in the study location for possible remediation.


Author(s):  
Vítězslav Vlček ◽  
Miroslav Pohanka

Soil samples (n = 11) were collected in the chernozem areas of the Czech Republic (the Central Europe) from the topsoil and used as representative samples. All sampling areas have been used for agricultural purposes (arable soil) and they were selected as typical representatives of agricultural soil. These samples represented the soil with same genesis (to reduction differencies between soil types) but with different soil properties (physical and chemical). Complete chemical and physical analyses were made for confirmation of copper adsorption on solid phase: we analysed the particle size distribution, content of oxidizable carbon (Cox), the cation exchange capacity (CEC), supply of exchange calcium, magnesium, sodium, phosphorus and potassium, soil reaction and the total supply of Fe, Al, Mn, Ca, Mg, K, P and N. The strongest simple correlation between analysed soil properties and copper concentration had content of available magnesium (r = 0.44) and available phosphorus (r = −0.51). In the case of multiple correlations (i. e. collective influence of multiple soil properties) had the strongest influence combination of clay, soil reaction, total content of phosphorus, available magnesium and available phosphorus. The main influence of phosphorus and magnesium is evident. We suppose that copper and phosphorus enter into specific complex. Influence of these five soil properties can explain 92.7 % (r = 0.927) changes in the content of copper changes in the experiment.


2019 ◽  
Vol 9 (2) ◽  
pp. 112-118
Author(s):  
Ismaeel T. Ahmed ◽  
Darseem B. Ismael

This investigation conducted on April 01, 2015, of the different locations surrounding oil refinery factories near the Kasnazan district on Sulaimani road (Latitude 36.211N, Longitude 44.157E), to assess the effects of oil refinery factory residues on soil contamination. Soil samples were collected towards (E and W) from the contamination source, with various distances (0.5, 1, and 1.5 m) and different depths (0–10, 10–20, and 20–30 cm) consequently. The concentrations of heavy metals such as chromium, iron, manganese, nickel, and zinc were sequentially extracted and measured using portable X-ray fluorescence at the soil and water department laboratories. The heavy metals concentration of the soil samples was significantly affected by both factors (distances and depths). Fe had the highest concentration value as ranged from 486.0 to 520.2 mg/kg with a mean (502.9 mg/kg), while Cr and Zn had the lowest concentration value, Cr ranged from 0.0 to 9.33 mg/kg with a mean (3.22 mg/kg) and Zn ranged from 0.0 to 1.9 mg/kg with a mean (1.43 mg/kg). Mn concentration ranged from 9.6 to 13 mg/kg with a mean (11.55 mg/kg) and Ni concentration ranged from 4.3 to 10.03 mg/kg with a mean (7.40 mg/kg). The geoaccumulation index values of most samples located under the class (1) uncontaminated to moderate index.


2017 ◽  
Vol 2017 ◽  
pp. 1-11 ◽  
Author(s):  
Janette Musilova ◽  
Judita Bystricka ◽  
Alena Vollmannova ◽  
Beata Janotova ◽  
Matyas Orsak ◽  
...  

Heavy metals are among the most serious environmental contaminants in mining districts. Soil, as one of the main components of the environment, is the place of heavy metal entry into plants and consequently into the food chain, too. Potatoes grown in the region of Middle Spis (Slovakia) may be a source of increased content of heavy metals and pose a health risk to the consumer. The contents of heavy metals (Cd, Pb, and Ni) in potato and soil samples were determined using the AAS method and compared with limit values set by the Slovak Republic and the European Union. The content of heavy metals was determined in 12 potato cultivars with different length of vegetation period (mid-early, very early, and early, resp.), which were grown in three localities with a highly disturbed environment. Total contents and mobile forms of heavy metals as well as physical and chemical properties were determined in soil samples which were collected from the same sampling sites. Only Pb content in potato tubers was higher than the hygienic limit value (0.1 mg kg−1 FM) in 15 sampling sites (interval was n.d. –0.2298 mg kg−1 FM). The contents of exchangeable forms (total content) of heavy metals in soil were ranged between the intervals: Cd 0.004–0.055 (0.94–1 56), Pb 0.023–0.295 (17.00–26.80), and Ni 0.019–0.475 (30.80–71.00) mg kg−1. At current average consumption levels of potatoes, tolerable weekly intake (TWI) or tolerable daily intake (TDI) for observed heavy metals was not exceeded.


2021 ◽  
Vol 13 (11) ◽  
pp. 6141
Author(s):  
Despina-Maria Bordean ◽  
Luminita Pirvulescu ◽  
Mariana-Atena Poiana ◽  
Ersilia Alexa ◽  
Antoanela Cozma ◽  
...  

The adoption of sustainable waste management strategies is a challenge faced by most European countries, mainly due to the need to generate less waste and replace landfills with new methods of waste treatment, associated with increases in the separate collection of waste and recycling rates. This paper highlights the significance of environmental legislation regarding waste removal to protect ecosystems. The aim was to predict ecological responses to heavy metals in soil exposed to hazardous waste and to identify environmental hazards in landfills, small illegal waste dumps, and litter, in addition to identifying if heavy metal accumulation in the investigated soil samples showed a single or cumulative risk. This is an innovative method to predict the ecological risk generated by hazardous waste landfills. The assessment of ecological risks was based on the evaluation of a heavy metal soil contamination factor, pollution index of soil loadings, a geo-accumulation index for heavy metals, and potential ecological risk. The current study is also the first to attempt to identify the dimension of risk based on the type of waste deposit (landfill, small illegal waste dump, and litter) and to identify potential patterns. The geological index corresponding to cadmium Igeo(Cd) showed heavy contamination in the soil samples from the landfill and moderate contamination for those from the illegal waste dumps. These findings indicate that soil contamination is influenced by contamination time, anthropogenic processes, and a history of industrial activity, and not only by waste composition and storage. The present study shows that cadmium might be considered a latent fingerprint for waste disposal, which is correlated to the industrialization level and rehabilitation procedures.


2014 ◽  
Vol 25 (4) ◽  
pp. 41-44
Author(s):  
Barbara Walczak

Abstract In this paper, the total and phytoavailable form of copper in allotment garden in Zielona Góra are presented. Soil samples were collected from eight places in the allotments gardens and two samples from outside in the neighbourhood. The total content of copper varied from 2.58 to 16.23 mg · kg-1. The form of copper potentially avail-able for plants varied from 0.2 to 3.85 mg · kg-1. The total content of copper meets the requirements of Directive by the Minister of Agriculture and Rural Development of the 21st March 2002 on the acceptable content of heavy metals in soils and Directive by the Minister of the Environment of the 9th September 2002 on the standards of soil quality and the standards of land quality


2019 ◽  
Vol 95 (10) ◽  
pp. 939-941 ◽  
Author(s):  
Elena A. Tafeeva ◽  
A. V. Ivanov ◽  
A. A. Titova ◽  
I. V. Petrov

The paper presents data on the hygienic assessment of the content of heavy metals and petroleum products in the soil on the territory of oil-producing areas of the Republic of Tatarstan. The average total content of lead (10,1 mg/kg), cadmium (0.073 mg/kg), manganese (792.4 mg/kg), cobalt (14.2 mg/kg), chromium (87.6 mg/kg), nickel (65.2 mg/ kg), arsenic (8.0 mg/kg), copper (36.6 mg/kg) and zinc (521 mg/kg) in soil for agricultural purposes near objects oil production was shown not to exceed the established hygienic standards. Soil contamination with oil products leads to an increase in its toxicity and mutagenicity. Soil contamination with oil products at the level of as low as 30 mg/ kg leads to the gain in its toxicity (low toxicity) and mutagenicity (average) (specific gravity of germinated seeds was 70.7±0.67%, aberrations - 1.78±0.19%).


2015 ◽  
Vol 5 (1) ◽  
pp. 109-119
Author(s):  
Тихонова ◽  
Elena Tikhonova ◽  
Ондоралов ◽  
Gennadiy Ondoralov ◽  
Трегубов ◽  
...  

When laying the Olympic Park of Sochi there was a need in the selection of soil substrates corresponding to the projected plants. When working on the preparation of the construction site wetlands of Imereti lowland were subjected to drainage. Prior to the formation of soil-like structures of the prepared soil substrates, samples for analysis were taken. One hundred and seventy-one soil samples were subjected to particle size and chemical analysis in the laboratory. The results of mechanical studies let to divided substrates in granulometric composition and make recommendations for their use as the underlying soils. The chemical analysis showed that alkaline environment is dominated throughout the park. The average content of organic substance in soils is 2.39 %. The content of nitrogen available to plants is small and on average it is equal to 0.13 %. Number of exchangeable calcium and magnesium is within the allowable limits. High content of available phosphorus and potassium is noted. The content of total forms of arsenic and mercury does not exceed the permissible limits. The concentration of mobile forms of heavy metals such as (Cu, Pb, Cd, Ni and Co) does not exceed background values, only in one case the content of cadmium in clay loam is out of limits – 1.5 mg/kg. According to the content of zinc and manganese situation is more difficult, about a quarter of the samples shows high content of heavy metals. Analysis of the aqueous extract showed that the investigated substrates are not saline; their samples do not include soluble salts which are dangerous to plants. Based on the results of experiments separately for each studied parameter, the conclusion on the suitability of the soil for the purpose of planting soil is made.


2021 ◽  
pp. 243
Author(s):  
Gaurav Mishra ◽  
Krishna Giri ◽  
Abhishek Jangir ◽  
Duraisamy Vasu ◽  
Jesús Rodrigo-Comino

Shifting cultivation (jhum cultivation), a common practice of converting forest land into agricultural land by slash and burn is threatening the ecosystem. This study assesses the effect of shifting cultivation cycles on soil quality in the North-eastern Himalayan region using a minimum of soil properties. To achieve this goal, a soil quality index (SQI) approach and multivariate techniques were used for surface (0-30 cm) and subsurface (30-70 cm) layers of soils in the forest, jhum land, and jhum fallow areas. The highest variability among land uses was found for clay content, SOC (soil organic carbon), exchangeable Mg and K, CEC (cation exchange capacity), and the Ca/Mg relationship. On the contrary, the lowest variation was recorded in bulk density (BD), porosity, and pH. The results of the principal component analysis (PCA) show BD, soil texture, available nitrogen (Nav), available phosphorus (Pav), available potassium (Kav), calcium (Ca) and sodium (Na) as the major indicators of soil quality. The study indicated that surface layers of forest soils have a lower soil quality when compared to jhum lands. Although jhum lands show a better soil quality compared to forests, their continued cultivation without any fertilisation and subsequent depletion of the soil nutrients can cause a degradation of soil quality as observed in jhum fallow lands. The use of these selected indicators for soil quality assessment was useful in terms of saving time and costs.


2012 ◽  
Vol 573-574 ◽  
pp. 308-312
Author(s):  
Wei Lin Shi ◽  
Jian Rong Zhang ◽  
Xiao Qian Wu ◽  
Song Xue

We sampled total of 74 polluted soil samples in the polluted field by means of setting 37 plane sample points and digged sampling caves according to the original producing layout and pollution situation of Suzhou chemical plant. The total quantity and the concentration of active form of heavy metal elements in the soil samples were analyzed by atomic absorption spectra; and the volatility organics in the soil are measured using jointed gas chromatography-mass spectrograph measurement. The results show that the polluted area is over 30%. The main pollutants are carbon tetrachloride, methylene chloride, aromatic compounds in the north part of the field, and toluene, P-dichlorobenzene, and petroleum hydrocarbons in the south part. The main pollutants underground 2-3 m are petroleum-derived hydrocarbons, volatile halogenated hydrocarbons, and aromatic compounds.


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