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

Table 10.2   Mass-balances for five different pesticides in the Lillebæk catchment during a 34 days period with composite daily sampling from the 3 May to 7 June 2000. Tabel 10.2   Massebalance for 5 forskellige pesticider i Lillebæk oplandet på baggrund af puljede døgnprøver udtaget gennem perioden 3 maj til 7 juni 2000. Upstream culverted sub-catchment (229 ha) Entire catchment (465 ha) Downstream open sub-catchment (236 ha) Pesticides Kd Loss (mg) Loss (mg/mm) Loss (mg) Loss (mg/mm) Loss (mg) Loss (mg/mm) MCPA 0.75 789 101 4268 381 3479 237 Bentazone 0.32 32.7 4,2 336 30 303 21 Isoproturon 0.83 1860 239 3583 320 1723 117 Diuron 2.30 936 120 1995 178 1059 72 Terbuthylazine 2.31 1596 205 1163 104 -433 -29