Tool

Agricultural System

Agricultural Systems *

Grazed or single crop Short rotation crops

Crop Type *

Is the crop grazed? *

Yes No

P fertiliser application rate (kg P ha/yr) *

Fertiliser type *

Cd concentration (mg Cd/kg P) *

Lime rate (kg/ha/yr)

Lime Cd concentration (mg/kg)

^{default 0.15, range between 0.02 - 0.5}

Crop yield *

Dry (kg DM ha/yr) Fresh (kg FW ha/yr)

Is FDE applied? *

Yes No

Total length of rotation (years) *

^{range between 1-3}

Number of Rotation: 1

Rotational crop

^{For short rotation crops, select up to six crops grown in the rotation. To add a crop click the , to remove a crop click the}

Crop type * P fertiliser application rate (kg P ha/yr) * Fertiliser type * Cd Concentration (mg Cd/kg P) * Lime rate (kg/ha/yr) Lime concentration default 0.15, range between 0.02 - 0.5) Crop yield *

Dry (kg DM ha/yr) Fresh (kg FW ha/yr)

Year Modeling *

^{default 100, range between 1-1000}

Soil

Soil Order *

Bulk density (kg/m³) * †

Sample depth (m) *

Initial soil cadmium concentration (mg/kg) *

Sediment yield based on landuse *

Sediment yield (kg/ha/yr) * †

Atmospheric Accession

Region *

Atmospheric input (mg/ha/yr) *

Leaching

Soil pH *

^{range between 4-8}

Soil organic matter content (%) *

^{range between 1-70}

Is annual drainage (mm) available? *

Yes No

Annual drainage (mm) * †

Results

Inputs

Agricultural Systems

Crop Systems
Crop Type
Is the crop grazed?
Proportion of the crop biomass harvested
P Fertiliser Rate (kg P ha/yr)
Fertiliser Type
Cd concentration (mg Cd/kg P)
Lime Rate (kg/ha/yr)
Lime Cd concentration (mg/kg)
Crop yield
PUF
Is FDE applied?

Farm Dairy Effluent liquid rate application (mm/ha/yr)
Farm Dairy Effluent liquid Cd content (µg/L)
Farm Dairy Effluent solid rate application (kg DM/ha/yr)
Farm Dairy Effluent solid Cd content (mg/kg DM)

Soil

Soil Order
Bulk density (kg/m³)
Sample depth (m)
Initial soil Cadmium concentration (mg/kg)
Sediment yield based on landuse
Sediment yield (kg/ha/yr)
Slope type on landuse

Atmospheric Deposition

Region
Atmospheric input (mg/ha/yr)

Leaching

Soil pH
Soil organic matter content (%)
Is annual drainage value?
Annual drainage (mm)
Annual rainfall (mm)
Annual irrigation (mm)

Year	Crop Type	Rotation	Start Cd	Atmos	Fert	Lime	FDE Liquid	FDE Solid	Crop	Leach	Erosion	End Cd

Trigger soil Cd concentrations (mg/kg)	Years to reach trigger
1.0 mg/kg
1.4 mg/kg
1.8 mg/kg

Years

range between 1-1000

Maximum Soil Cd (mg/kg)

Maximum Fertiliser Cd (mg/kg P) **

(**) For short rotation crops, P fertiliser with different Cd concentration can potentially be applied to different crops. However, for the calculation of the maximum fertiliser Cd fertiliser reported for short rotation crops, it is assumed the Cd in the P fertiliser is the same for all crops.

Clicking Start Over will clear all inputs and results

Cadmium Balance Tool

Agricultural System

Soil

Atmospheric Accession

Leaching

Results

Maximum Cd in fertiliser

Years to Cd trigger value

Trigger soil Cd concentrations (mg/kg)

Years to reach trigger

Inputs

Agricultural Systems

Soil

Atmospheric Deposition

Leaching