Fig. 5. Seasonal distribution of the loading for different pesticides during the investigation period (10 Mar. 1997–31 May 1998). Note the different scales of the ordinates and the fact that the phenoxy acid herbicides were only analyzed in spring.
Fig. 5. Seasonal distribution of the loading for different pesticides during the investigation period (10 Mar. 1997–31 May 1998). Note the different scales of the ordinates and the fact that the phenoxy acid herbicides were only analyzed in spring.