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A simple and rapid direct injection method for the determination of glyphosate and AMPA in environmental water samples
Okada, Elena; Coggan, Timothy; Anumol, Tarun; Clarke, Bradley; Allison, Graeme (Springer Verlag, 2018-12-10)Glyphosate is currently the most widely used herbicide in the world, yet screening of environmental waters for this chemical is limited by the need for specialized derivatization and measurement methods that can be tedious ... -
Adsorption and mobility of glyphosate in different soils under no-till and conventional tillage
Okada, Elena; Costa, Jose Luis; Bedmar, Francisco (2016-02)El glifosato (N- (fosfonometil) glicina) es un post-emergencia, no selectivo, herbicida foliar. Alrededor de 200 millón de litros de este herbicida se aplican cada año en Argentina, donde la principal práctica agrícola es ... -
Effect of conventional and no-till practices on solute transport in long term field trials
Okada, Elena; Costa, Jose Luis; Bedmar, Francisco; Barbagelata, Pedro Anibal; Irizar, Alicia Beatriz; Rampoldi, Edgar Ariel (Elsevier, 2014-09)The prediction and description of water and solute movement in soils under different tillage systems is essential to the study of pesticide contamination in soils and groundwater quality. However, the impact of tillage ... -
Effect of conventional and no-till practices on solute transport in long term field trials
Okada, Elena; Costa, Jose Luis; Bedmar, Francisco; Barbagelata, Pedro Anibal; Irizar, Alicia Beatriz; Rampoldi, Edgar Ariel (Elsevier, 2014-05)The prediction and description of water and solute movement in soils under different tillage systems is essential to the study of pesticide contamination in soils and groundwater quality. However, the impact of tillage ... -
Glyphosate and aminomethylphosphonic acid (AMPA) are commonly found in urban streams and wetlands of Melbourne, Australia
Okada, Elena; Allinson, Mayumi; Barral, Maria Paula; Clarke, Bradley; Allison, Graeme (Elsevier, 2020-01)Glyphosate is the most widely-used pesticide for weed control in agriculture and in urban and residential areas. This is the first study to quantify glyphosate and AMPA levels in surface water in Australia from different ... -
Monensin occurrence in surface water and its impact on aquatic biota in a stream of the southeast Pampas, Argentina
Pérez, Débora Jesabel; Okada, Elena; Iturburu, Fernando; De Geronimo, Eduardo; Canton, German Jose; Aparicio, Virginia Carolina; Costa, Jose Luis; Menone, Mirta Luján (Springer Science, 2020-10-16)Monensin is an ionophore antibiotic used as a feed additive and growth promoter in cattle production worldwide. The occurrence of monensin in aquatic surficial ecosystems is of concern due to its possible detrimental effects ... -
Non-point source pollution of glyphosate and AMPA in a rural basin from the southeast Pampas, Argentina
Okada, Elena; Pérez, Débora Jesabel; De Geronimo, Eduardo; Aparicio, Virginia Carolina; Massone, Héctor; Costa, Jose Luis (2018-03)We measured the occurrence and seasonal variations of glyphosate and its metabolite, aminomethylphosphonic acid (AMPA), in different environmental compartments within the limits of an agricultural basin. This topic is of ...