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Table 14 The effects of non-corn/soybean crops on log(SOC(Mg/ha C)) stocks without area fixed effects (raw regression result)

From: Crop rotation and the impact on soil carbon in the U.S. Corn Belt

  1. Spring wheat is base group. Clustered standard errors at the area level arew displayed in parantheses
  2. *p<0.1
  3. **p<0.05
  4. ***p<0.01