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90 FR 5512, Jan. 17, 2025, unless otherwise noted.
91 FR 39356, June 29, 2026, unless otherwise noted.
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Any farm producing and selling reduced-CI crops must calculate a field-level CI for each field or management unit employing nutrient management or a unique combination of nutrient management and low-carbon practices for each crop type (field corn, soybeans, sorghum, or spring canola). The field-level crop-specific CI represents the net GHG emissions resulting from production of one bushel of that crop on a specified field or management unit. The field-level crop-specific CI applies to the year in which the crop was harvested and the total amount of a crop harvested from that field or management unit in a given year must be included in the calculation. Once a field-level CI is calculated for a specific crop, the total amount of that crop from that field is assigned the field-level crop-specific CI and may be sold as reduced-CI crop. To calculate the field-level CI for each crop:
(a) Farm producers must calculate the CI for each field or management unit on which nutrient management and low-carbon practice(s) were implemented, in accordance with subparts F and G of this part, using the U.S. Department of Agriculture (USDA) Feedstock Carbon Intensity Calculator (FD-CIC). This step must be repeated for every field or management unit producing reduced-CI crops. To calculate a field or management unit-level CI in USDA FD-CIC, farm producers must input data on:
(1) Farm location (county and state).
(2) Crop type produced.
(3) Field or management unit acres.
(4) Actual yield adjusted to the following moisture content.
(i) For field corn, 15.5%;
(ii) For soybeans, 13%;
(iii) For sorghum, 14%; and
(iv) For spring canola, 8.5%.
(5) Expected yield.
(i) For farm producers holding a crop insurance policy covering the reduced-CI crop for the current crop interval, farm producers must input the expected yield as the USDA Risk Management Agency (RMA) applicable approved yield(s) used to establish coverage on their crop insurance policy; or
(ii) For farm producers that do not hold a crop insurance policy, a farm producer must input the expected yield as the RMA applicable transitional yield(s) or Agriculture Risk Coverage (ARC) County Benchmark yield for their county published by the Farm Service Agency (FSA).
(6) Total synthetic nitrogen applied per acre.
(7) Fraction of synthetic nitrogen receiving nitrification inhibitors.
(8) Amount, type, and nitrogen content of manure applied.
(9) Use of no-till or reduced till.
(10) Use of a cover crop or grazed cover crop.
(b) USDA FD-CIC will use the farm producer inputs from paragraph (a) of this section to calculate a CI for each field or management unit.
(c) Farm producers must repeat paragraphs (a) and (b) of this section for each field or management unit for each crop type that is sold as reduced-CI crop.