Calculate a ration component's contribution to carbon dioxide (CO2) emissions from on-field agricultural activities
Source:R/core_model_emissions_ration.R
calc_co2_ration_crop_activities.RdCalculates the contribution of an individual feed component to carbon dioxide (CO2) emissions from on-field agricultural activities in feed production (e.g., energy use for tillage and machinery operations), using feed-specific emission factors weighted by the component's share in the ration.
Arguments
- feed_ration_fraction
Numeric. Proportion of a specific feed component in the total ration, expressed as its fraction of diet dry matter intake (fraction). Within each herd_id and cohort, proportions should sum to 1.
- co2_feed_crop_activities
Numeric. Carbon dioxide (CO2) emission factor of a feed component, representing CO2 emissions from on-field agricultural activities in feed production, expressed per kilogram of dry matter intake (kg CO2/kg DM).
Value
Numeric. Contribution of an individual feed component to the diet-level average carbon dioxide (CO2) emission factor from on-field agricultural activities in feed production (g CO2/kg DM).
Details
The contribution is computed as:
$$diet\_co2\_feed\_crop\_operations = feed\_ration\_fraction \times co2\_feed\_crop\_operations$$
This function is part of the run_emissions_ration_module().