Test
results for FOCUS_Drift Calculator_1.1
N.B. Remember that for FOCUS streams
spray drift deposition as calculated by the FOCUS Drift Calculator, is
multiplied by a factor of 1.2 to account for pesticide mass incoming from the
upstream catchment.
1.
Spray drift output for test case 1
- application rate: 1000 g ai/ha
of FOCUS Compound A-SW
- number of applications: 1
- crop: winter cereals
- type of water bodies: assorted
(see below)
- buffer distances: default
FOCUS values
Drift results are abstracted two
sources: (1) drift calculator in SWASH
shell and (2) file
“project_name_report.txt” in SWASH PROJECTS/project_name directory. The significant digits listed are the same
as listed in each data source.
|
Crop / Water body type |
Drift percentile Source:
drift calculator |
Spray drift (mg/m2 of surf area) Source: drift calculator |
Spray drift (mg/m2 of surf area) Source:
project report |
|
Winter cereals / ditch |
90 |
1.9274 |
1.927 |
|
Winter cereals / pond |
90 |
0.2191 |
0.219 |
|
Winter cereals / stream |
90 |
1.4304 |
1.716 |
2. Spray drift output for test case
2
- application rate: 200 g ai/ha
of FOCUS Compound D-SW
- number of applications: 6
- crop: assorted (see below)
- type of water body: assorted
(see below)
- buffer distances: default
FOCUS values
Drift results are abstracted two
sources: (1) drift calculator in SWASH
shell and (2) file
“project_name_report.txt” in SWASH PROJECTS/project_name directory. The significant digits listed are the same
as listed in each data source.
|
Crop / water body type |
Drift percentile Source:
drift calculator |
Spray drift (mg/m2 of surf area) Source: drift calculator |
Spray drift (mg/m2 of surf area) Source:
project report |
|
Maize / stream |
70 |
0.1458 |
0.175 |
|
Vines – early / ditch |
70 |
0.2900 |
0.290 |
|
Bulb vegetables / pond |
70 |
0.0254 |
0.025 |
|
Spring cereals / stream |
70 |
0.1682 |
0.202 |