Recommended use of COMET-Planner CDFA HSP: ... This evaluation tool is designed to provide estimates of the net greenhouse gas reductions for specific agricultural management conservation practices included in the California Department of Food and Agriculture (CDFA) Healthy Soils Program (HSP). This tool also helps estimate payments associated with implementing the practices under the HSP. Please note that a comprehensive assessment of site specific conditions may not be accounted with this tool.

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EVALUATE POTENTIAL CARBON SEQUESTRATION AND GREENHOUSE GAS REDUCTIONS FROM ADOPTING NRCS CONSERVATION PRACTICES
COMET-Planner for the CDFA Healthy Soils Program estimates greenhouse gas reductions and approximates program payments associated with NRCS Conservation Practices included in the program. NRCS Conservation Practices included in COMET-Planner are only those that have been identified as having greenhouse gas mitigation and/or carbon sequestration benefits on farms and ranches. This list of conservation practices is based on the qualitative greenhouse benefits ranking of practices prepared by NRCS.

This tool has been developed to support programs coordinated by the CDFA and the California Air Resources Board (CARB), and contains information on conservation practices eligible under the HSP. For information on an expanded list of conservation practices, see the COMET-Planner tool.

Step 1:    Begin by naming your project and selecting your state and county

Step 2:    Select your agricultural system

  • Cropland
  • Orchard or Vineyard
  • Grazing Land

Step 3:    Select a NRCS Conservation Practice Standard, Conservation Practice Implementation, and Payment Scenario associated with conservation planning objectives that best describe your project. You may add multiple practices, including from different agricultural systems, by returning to Step 2

Conservation Practice Standard (CPS)
Practice Implementation
Payment Scenario
(Note: Payment Scenarios may have different payment rates but do not affect GHG reductions)

Step 4:    Enter the enrollment amount associated with each conservation practice you selected

Approximate Carbon Sequestration and Greenhouse Gas Emission Reductions and Payments Associated with Selected Conservation Practices*
(Metric Tonnes CO2 equivalent per year) [ Info ]
NRCS Conservation Practices
(Click Practice Name for Documentation)
Enter Unit Value (acres or feet) Carbon Dioxide
 Nitrous Oxide
 Methane
 Total CO2-
Equivalent 		Estimated HSP payment dollars for the Project Term
Total 0 0 0 0 0





  • Total C02 Equivalent must be greater than 1 Metric Ton
*Negative values indicate a loss of carbon or increased emissions of greenhouse gases
**Values were not estimated due to limited data on reductions of greenhouse gas emissions from this practice
***Final payment may be different than estimated payment, pending application review and approval
How are your carbon sequestration and greenhouse gas emission reduction estimates calculated?
Emission reduction coefficients were largely derived using a sample-based approach and model runs in COMET-Farm, which utilizes USDA entity-scale greenhouse gas inventory methods. Coefficients were generalized by multi-county regions defined by USDA Major Land Resource Areas. Emissions estimates represent field emissions only, including those associated with soils and woody biomass as appropriate, and do not include off-site emissions, such as those from transportation, manufacturing, processing, etc. More information on quantification methods can be found in the COMET-Planner Report. More Information about HSP Practices developed by CDFA and CARB can be found below:
  1. Compost Application
    1. CDFA white paper titled "Compost Application Rates for California Croplands and Ranglands for a CDFA Healthy Soils Incentives Program"
    2. CARB white paper titled "Quantification of Greenhouse Gas Emissions for Compost Application in California Croplands"
  2. Whole Orchard Recycling Report titled "Whole Orchard Recycling (WOR) Inclusion in the CDFA Healthy Soils Incentive Program"

Each emission reduction is calculated using the following equation:

Emission reduction = Area (acres) * Emission Reduction Coefficient (ERC)
Emission Reduction Coefficients (ERC)
(tonnes CO2 equivalent per acre per year)
Greenhouse Gases
NRCS Conservation Practices Carbon Dioxide
(CO2) 		Nitrous Oxide
(N2O) 		Methane
(CH4) 		Estimated HSP payment dollars for the Project Term
**Values were not estimated due to limited data on reductions of greenhouse gas emissions from this practice
Recommended use of COMET-Planner
This evaluation tool is designed to provide estimates of the net greenhouse gas reductions and payments associated with specific conservation practices included in the CDFA Healthy Soils Program (https://www.cdfa.ca.gov/oefi/healthysoils/). Please note that a comprehensive assessment of site specific conditions may not be accounted with this tool.
Please contact CDFA (cdfa.HSP_Tech@cdfa.ca.gov) for more information.