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Fig. 4. Measured and RZWQM-predicted persistence of acetochlor and terbuthylazine in the field. Predictions were performed using a linear instantaneous equilibrium (I-E) partitioning model with projected application rates and measured amounts on the day of application as initial amounts (revised predictions) and a two-site, equilibrium-kinetic (E-K) sorption model with optimized kinetic parameters. Fitting first-order kinetics to the measured data was also included.
