info:eu-repo/semantics/article
Historical trends of the ecotoxicological pesticide risk from the main grain crops in Rolling Pampa (Argentina)
Fecha
2020-11Registro en:
Ferraro, Diego Omar; Ghersa, Felipe; de Paula, Rodrigo; Duarte Vera, Alejandra Carolina; Pessah, Sebastián; Historical trends of the ecotoxicological pesticide risk from the main grain crops in Rolling Pampa (Argentina); Public Library of Science; Plos One; 15; 11; 11-2020; 1-16
1932-6203
CONICET Digital
CONICET
Autor
Ferraro, Diego Omar
Ghersa, Felipe
de Paula, Rodrigo
Duarte Vera, Alejandra Carolina
Pessah, Sebastián
Resumen
We showed the results of the first long-term analysis (1987-2019) of pesticide (herbicides, fungicides and insecticides) impact in the Rolling Pampa, one of the main agricultural areas of Argentina. Using a clear and meaningful tool, based not only on acute toxicity but also on scaling up the results to total sown area, we identified time trends for both pesticide impact and the ecoefficiency of modal pesticide profiles. By the end of the time series, soybean showed a pesticide impact four times greater than maize crop in the studied area. However, the time trend in the subperiod (2012-2019) showed a sustainable pattern of pesticide use in soybean crop, with an improvement in its ecoefficiency. Oppositely, maize showed a relatively constant ecoefficiency value during most of the time series, suggesting a possible path towards an unsustainable cropping system. Findings from this study suggest that some efforts have to be made to improve the pest management decisions towards a more efficient pesticide profiles in maize crop and to keep improving the ecotoxicity pesticide profile in soybean crops because of its large sown area in the studied area.