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This study investigated the effects of dissolved organic matter (DOM) extracted form maize straw on the mobility of Cr6+ in sandy soil and losses widespread in northwest region through simulated dynamic soil column system. The results indicated that the mobility of Cr6+ was influenced significantly by DOM in saturated water-soil system. Cr6+ had strong mobility because of weak adsorption and easily...
This study was aimed to assess the levels of selected heavy metals and herbicides in soils under different land usage and plant products from an agricultural area of Tieling district, Liaoning Province, China. Cd, Pb, atrazine, acetochlor and butachlor were analyzed from maize, paddy and vegetable field. Cd concentrations in 40% of vegetable soils and 6.67% of rice soils were higher than "Environmental...
It is important to evaluate and monitor the environmental impacts by the activity in our hand with appropriate methods, and the geophysical techniques have often been using in the subsurface environmental monitoring and remediation processes. In the study an Electromagnetic survey (EM) is performed to delineate deeply the extent of contamination at an industrial abandoned site, to detect the spread...
In recent years, much attention has been paid to the problem of farmland soil contamination by heavy metals in China. Cadmium (Cd) is an important heavy metal which can cause adverse ecological effects, in particular, can be easily accumulated by rice plants. On the basis of determining the concentrations of Cd in 303 farmland soil samples from the rice producing area in the Luxian County, Sichuan...
Bioassay, which detects biohazardous property of environmental contaminants, is still being an unexplored field of air quality monitoring. This study aims to develop a simple testing system of toxicity of the indoor particulate matter by detecting bioluminescence reduction of marine bacterium Vibrio fischeri. Suspended particulate matter in indoor and outdoor air was collected on a quartz fiber filter...
The survey of pesticide active ingredients and residues in Hungarian soil and groundwater samples was carried out as part of a nationwide research program realised by the co-operation of Hungarian Academy of Sciences and Ministry of Environment. The program was justified by increasing human- and ecotoxicological concerns about pesticides and, at the same time, exact licensing and merchandising requirements,...
Monitoring of contaminants in different agricultural sectors has a long history in Poland. Regional Agrochemical Stations (OSCHR) and the Institute of Soil Science and Plant Cultivation (IUNG) in Pulawy have performed analyses of chemical contaminants in arable soils within two research programs on countrywide scale in the years 1991-2001. Food and agroproduct contamination has been researched in...
This paper present the results of investigations of the level of contamination by radioactive isotopes of grass and soil of the Polish and Ukrainian Roztocze area. Heavy metal contents in soil were also measured. The highest level of radioactivity was found in the Northwestern part of Roztocze which may be explained by the close vicinity of industrial centers. The presence of caesium gave from 0.6...
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