U.S. Environmental Protection Agency

Crop Rotation Literature

Name: Crop Rotation Literature
Creator: U.S. Environmental Protection Agency

N credit data (research articles, universities) and nutrient loss data for crop rotations. Yuan. Effectiveness of Crop Rotation on Water Quality Improvement: A Synthesis. Transactions of the ASABE. JOSEPH, MI, USA, 64(2): 691-704, (2021).

Example records

Namelegal entity	Stateaddress	Citationidentifier	Legume Cropproduct	N Credit For Corn (Kgn Ha-1)quantity	Unnamed: 6quantity
Washington State University	Washington	Hermanson et al. 2000	Soybean	45	168
Oklahoma State University	Oklahoma	Arnall and Hiner 2016	Alfalfa	89.60000000000001	62.720000000000006
Montana State University	Montana	Jones and Olson-Rutz 2018	Alfalfa	45	168

Use cases

Crop Input Supplier Territory Planning

A regional sales team at an agricultural input company maps nitrogen credit values by state and legume type to identify where farmers are likely reducing synthetic nitrogen purchases, helping prioritize which territories need alternative product pitches or adjusted volume forecasts.

StateLegume CropN Credit For Corn (Kgn Ha-1)Name

Ag Lender Underwriting of Crop Input Costs

A farm credit analyst estimating operating loan amounts for corn producers in a given state uses published nitrogen credit benchmarks to validate whether a borrower's fertilizer expense line is consistent with their stated rotation practice, flagging cases where claimed input costs appear inflated relative to expected nitrogen offsets.

StateLegume CropN Credit For Corn (Kgn Ha-1)Citation

Crop Insurance Model Calibration

An actuary at an agricultural insurer building yield-based loss models incorporates nitrogen credit ranges by rotation type and geography to adjust expected yield baselines, since nitrogen availability directly affects corn yield potential and therefore expected loss distributions.

StateLegume CropN Credit For Corn (Kgn Ha-1)NameCitation