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Paper Details

Degradation of the herbicides molecules in soilunder different temperature

Viviane Wruck Trovato, Rômulo Penna Scorza Júnior

Journal Title:Revista Agraria Academica / Agrarian Academic Journal

The objective of this work was to evaluate the effect of different temperatures on the degradation of ametryn, hexazinone and diuron moleculesina typical Dystroferric Red Latosol incubated at 25, 35, 40 and 45°C, with soil moisture of570% of field capacity. Diuron and hexazinone herbicides were more persistent under warmertemperatureconditions(25°C). On the other hand, ametryn showed higher persistence in the soilat higher temperature (45°C) conditions. The half-life values for the three herbicides at different temperatures ranged from 24 to 77 days for ametryn, 30 to 77 days for hexazinone and 32 to 99 days for diuron.