Dissipation of polyoxyethylene tallow amine (POEA) and glyphosate in an agricultural field and their co-occurrence on streambed sediments
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Abstract
The environmental fate of polyoxyethylene tallow amine (POEA), an additive in glyphosate herbicide formulations, has not been studied. This study examined the dissipation of POEA; glyphosate; and aminomethylphosphonic acid (AMPA), a degradation product of glyphosate, in the top 45 cm of soil from an agricultural field where glyphosate was applied. The concentration of these compounds was also analyzed in bed sediment samples from watersheds in agricultural and urban areas from six states (Georgia, Hawaii, Iowa, Mississippi, North Carolina, South Carolina). The field studies show that POEA, glyphosate, and AMPA persist on the soil from planting season to planting season but dissipate over time with little migration into deeper soil. POEA, glyphosate, and AMPA were found on the bed sediment samples in urban and agricultural watersheds.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Dissipation of polyoxyethylene tallow amine (POEA) and glyphosate in an agricultural field and their co-occurrence on streambed sediments |
| Series title | Science of the Total Environment |
| DOI | 10.1016/j.scitotenv.2018.04.246 |
| Volume | 636 |
| Publication Date | April 26, 2018 |
| Year Published | 2018 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | Kansas Water Science Center |
| Description | 8 p. |
| First page | 212 |
| Last page | 219 |
| Country | United States |
| State | Georgia, Hawaii, Iowa, Mississippi, North Carolina, South Carolina |