Table 6 Contents of soil N, P, and K in peanut and cotton strips of different cropping systems
Position | Treatment | Peanut strip N (mg kg− 1) | Cotton strip N (mg kg− 1) | Peanut strip P (mg kg− 1) | Cotton strip P (mg kg− 1) | Peanut strip K (mg kg− 1) | Cotton strip K (mg kg− 1) |
|---|---|---|---|---|---|---|---|
PingDu | MP | 40.16c | – | 15.27b | – | 250.16d | – |
MC | – | 43.78c | – | 16.73b | – | 201.98c | |
IC | 50.24b | 51.63a | 19.66a | 19.66a | 324.15a | 300.11a | |
NC | 51.63a | 46.81b | 18.56a | 17.60b | 283.35b | 181.73d | |
SC | 35.46d | 34.51d | 13.24c | 13.52c | 261.74c | 283.17b | |
GaoTang | MP | 45.63c | – | 18.94b | – | 445.97b | – |
MC | – | 52.41c | – | 15.10c | – | 330.00d | |
IC | 53.11a | 57.86a | 21.97a | 19.97b | 403.45c | 432.71a | |
NC | 47.35b | 56.43b | 17.24c | 21.31a | 506.31a | 425.31b | |
SC | 43.44d | 43.14d | 15.23d | 15.02c | 253.47d | 345.14c | |
LiJin | MP | 25.02c | – | 16.54c | – | 323.67d | – |
MC | – | 25.37b | – | 11.86c | – | 184.97d | |
IC | 31.23a | 31.44a | 29.41a | 29.41a | 473.65a | 473.91a | |
NC | 29.61b | 30.69a | 24.96b | 18.83b | 438.68b | 211.12c | |
SC | 25.71bc | 21.31c | 16.15c | 11.15c | 381.41c | 351.43b |