Pesticides in streams and subsurface drainage water within two arable catchments in Denmark: Pesticide application, concentration, transport and fate

Table ii. the two studied catchments during the two study years. Tabel ii. to oplande gennem de to måleår. Pesticide Upstream Lillebæk Downstream Lillebæk Odderbæk Drain 2 Lillebæk Drain 6 Lillebæk Drain Odderbæk Stream stations Drain stations Herbicides BAM (metabolite) 75% 70% 12% 3.6% 0% 14% Bentazone 62% 87% 69% 57% 67% 61% Ethofumesate 24% 1.0% 1.8% 0% 0% 2.0% Ioxynil 17% 7.3% 2.9% 7.1% 0% 0% Isoproturon 76% 84% 56% 54% 46% 47% Pendimethalin 34% 26% 25% 0% 13% 12% Terbuthylazine 97% 87% 32% 7.1% 21% 6.1% Fungicides Fenpropimorph 20% 4.8% 1.8% 0% 0% 2.9% Prochloraz 3.5% 3.1% 1.5% 0% 0% 4.1% Propiconazole 55% 18% 5.9% 7.1% 4.2% 6.1% Insecticides Dimethoate 12% 3.1% 1.5% 0% 0% 0% Pirimicarb 12% 9.4% 2.9% 0% 0% 0%