This file lists the USLE P values and slope lengths for various conservation practices.
| Field | Description | Type | Unit | Default | Range |
|---|---|---|---|---|---|
Name of the conservation practice
string
n/a
n/a
n/a
USLE P factor
real
none
1.0
0.0-1.0
Maximum slope length
real
m
1.0
Maximum slope length
Name of the conservation practice
The name of the conservation practice is a primary key referenced by cons_prac in landuse.lum. All names in the cons_practice.lum file must be unique.
| Name | Description |
|---|---|
up_down_slope
Up-and-down slope
cross_slope
Cross-slope tillage
contour_farming
Contour tillage
strip_cros_slope
Strip cropping with cross-slope tillage
strip_contour
Strip cropping with contour tillage
contour_1-2
Contour tillage on 1-2% slopes
contour_3-5
Contour tillage on 3-5% slopes
contour_6-8
Contour tillage on 6-8% slopes
contour_9-12
Contour tillage on 9-12% slopes
contour_13-16
Contour tillage on 13-16% slopes
contour_17-20
Contour tillage on 17-20% slopes
contour_21-25
Contour tillage on 21-25% slopes
strip_1-2_past
Strip cropping on 1-2% slopes with pasture
strip_1-2_row
Strip cropping on 1-2% slopes with row crops
strip_3-5_past
Strip cropping on 3-5% slopes with pasture
strip_3-5_row
Strip cropping on 3-5% slopes with row crops
strip_6-8_past
Strip cropping on 6-8% slopes with pasture
strip_6-8_row
Strip cropping on 6-8% slopes with row crops
strip_9-12_past
Strip cropping on 9-12% slopes with pasture
strip_9-12_row
Strip cropping on 9-12% slopes with row crops
strip_13-16_past
Strip cropping on 13-16% slopes with pasture
strip_13-16_row
Strip cropping on 13-16% slopes with row crops
strip17-20_past
Strip cropping on 17-20% slopes with pasture
strip_17-20_row
Strip cropping on 17-20% slopes with row crops
strip_21-25_past
Strip cropping on 21-25% slopes with pasture
strip_21-25_row
Strip cropping on 21-25% slopes with row crops
ter_1-2_sodout
Terraces on 1-2% slopes with sod outlet
ter_1-2_undout
Terraces on 1-2% slopes with underflow outlet
ter_3-8_sodout
Terraces on 3-8% slopes with sod outlet
ter_3-8_undout
Terraces on 3-8% slopes with underflow outlet
ter_9-12_sodout
Terraces on 9-12% slopes with sod outlet
ter_9-12_undout
Terraces on 9-12% slopes with underflow outlet
ter_13-16_sodout
Terraces on 13-16% slopes with sod outlet
ter_13-16_undout
Terraces on 13-16% slopes with underflow outlet
ter_17-20_sodout
Terraces on 17-20% slopes with sod outlet
ter_17-20_undout
Terraces on 17-20% slopes with underflow outlet
ter_21-25_sodout
Terraces on 21-25% slopes with sod outlet
ter_21-25_undout
Terraces on 21-25% slopes with underflow outlet