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Results of cost-effectiveness analysis for corn-soybean with respect to the conventional baseline (continuous corn). Numbers in parentheses indicate the number of studies that directly compared the cropping systems listed.
| Cropping System | Definition | Net Revenue ($ ha−1 year−1) | Mean Subsurface NO3 Load (kg N ha−1 year−1) | Percent NO3 Load Reduction (%) | Cost Benefit of NO3 Load Reduction ($ kg N−1) |
|---|---|---|---|---|---|
| CC | Continuous corn | 81.74 | 22.0 (7) | - | - |
| CS | Corn-soybean | 141.83 | 9.91 (7) | 32.7 | 5 |
