نتایج جستجو برای: polluted soil
تعداد نتایج: 189014 فیلتر نتایج به سال:
We measured the short-term (100 min) avoidance of a soil heavily polluted by hydrocarbons by the soil springtail Folsomia candida, at six rates of dilution in a control, unpolluted soil. We compared the results with those of long-term (40-day) population tests. Five strains were compared, of varying geographical and ecological origin. When pure, the polluted soil was lethal in the long-term and...
Petroleum pollution is an important environmental issue in most of the countries especially those have an oil industry. This study was conducted to investigate the effect of petroleum pollution on soil water repellency and its relation to soil structural stability in Bakhtiardasht area, Isfahan. Polluted and adjacent non-polluted locations were selected to be representative in the green space a...
phytoremediation is an emerging environmental-friendly technology that can be a promising solution to remediate oil-polluted soils. the impact of high amount of hydrocarbons on growth characteristics of burningbushand common flax was evaluated in this survey. the influence of organic fertilizers was also assessed on growth of plant species in oil-contaminated soil. soil samples in which plants ...
the main source of heavy metals in soil is the use of urban and industrial waste water, synthetic phosphate fertilizers, sludge from sewage treatment plants. most heavy metals accumulate in the top soil and in the long term, their increased concentration in the soil and accumulation in the plants. the quantity or level of absorption in plants, depends not only on the concentration levels of the...
Middle and southern Iraq suffers from polluted soils due to crude oil, spilled on land, leakage from transmitting pipe networks, or petroleum products from refineries. Many researchers have studied pollution impacts on the soil in details, but there is a clear lack of investigation on the influence of crude oil on soil erodibility. Recent researches have investigated the influence of pollution ...
In human risk assessment, ingestion of soil is considered a major route of toxic Pb exposure. A large body of research has focussed on the measurement of the 'total' Pb contents in sediment, soil and dust as a measure for the exposure to lead. We report that Pb bioaccessibility (i.e. the maximum bioavailability), determined with an in vitro test, does not necessarily depend on the total Pb cont...
This paper aims to investigate the degradation and speciation of EDDS-complexes (SS-ethylenediaminedisuccinic acid) in soil following soil washing. The changes in soil solution metal and EDDS concentrations were investigated for three polluted soils. EDDS was degraded after a lag phase of 7-11 days with a half-life of 4.18-5.60 days. No influence of EDDS-speciation on the reaction was observed....
In the present study, heavy metal pollution and accumulation was investigated in an important mangrove plant, Avicennia officinalis grown in the polluted sites of Kanjurmarg creek, Mumbai. This creek is a location of discharge of influent and waste of some domestic industries. The analysis was done in leaves and stem of the plant as well as in water and soil for the heavy metals like Zinc ( Zn)...
in this study, among the 21 diesel-degrading bacteria that were isolated from an oil-polluted area in fars (iran), 6 bacterial strains were tested for their capability to metabolize and grow on diesel oil by degrading its hydrocarbons content. the biochemical characteristics and 16s rrna sequence analysis of diesel-degrading bacteria showed that these strains were related to the genus pseudomon...
This study determined the performance and heavy metals uptake of kenaf at different levels of compost application in textile effluent polluted soil. Polluted soil was collected from the vicinity of a textile company in Nigeria. Twelve-litre plastic pots were filled with 10 kg soil. Soil amendments applied were: 0 (control), 60 Kg N ha -1 of N.P.K 20:10:10 (recommended rate), 40, 60, 80, and 100...
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