Skip to main content

Table 9 The effects of the years of corn plantation on log(SOC(Mg/ha C)) stocks in corn-soybean rotations with different base group (raw regression result)

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

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