Fate Of Atrazine In The Agricultural Soil Of Corn Fields In Fars Province Of Iran
Atrazine, a herbicide widely used in corn production, is frequently detected as pesticide in water resources. In this research, four agricultural fields with a long history of atrazine application in Shiraz and its vicinity in Fars province of Iran, have been studied to determine the fate of atrazin...
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Published in | Iranian journal of environmental health science & engineering Vol. 6; no. 4 |
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Main Authors | , , , , |
Format | Journal Article |
Published |
Iran
Iranian Association of Environmental Health (IAEH)
17.03.2010
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Subjects | |
Online Access | Get full text |
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Summary: | Atrazine, a herbicide widely used in corn production, is frequently
detected as pesticide in water resources. In this research, four
agricultural fields with a long history of atrazine application in
Shiraz and its vicinity in Fars province of Iran, have been studied to
determine the fate of atrazine through the passage of time. These four
farms were cultivated under a crop rotation (corn-wheat) during the
past 10 years. Samples were collected from four soil profiles of 0-10,
10-20, 20-40, and 40-60 cm soil depth at different times. The time
intervals for soil sampling started before atrazine application and
continued until no atrazine was detected. According to the general
linear model, there was no significant difference between atrazine
residual concentrations and the soil moisture and depth (p≥0.05).
But, significant difference between atrazine residual concentrations
and the sampling regions was observed (p<0.001). Based on the data,
atrazine leaching and dissipation rate in different soil profiles in
the four sampling regions were high and significant. Therefore, there
is a high risk of atrazine pollution in groundwater resources of the
region. |
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ISSN: | 1735-1979 1735-2746 |