Table 1. Physical and chemical properties of the soils that were tested, in years 2013 and 2014.
| Index | 2013 | 2014 | ||||
|---|---|---|---|---|---|---|
| LS | MS | HS | LS | MS | HS | |
| TN (g·kg-1) | 1.11 | 1.07 | 1.12 | 1.13 | 1.08 | 1.10 |
| AN (mg·kg-1) | 98.92 | 98.15 | 99.25 | 97.58 | 97.25 | 98.42 |
| AP (mg·kg-1) | 27.83 | 28.94 | 27.05 | 27.35 | 27.86 | 26.75 |
| AK (mg·kg-1) | 122.73 | 121.55 | 122.12 | 123.01 | 122.14 | 122.86 |
| BD (g·cm-3) | 1.23 | 1.22 | 1.23 | 1.22 | 1.23 | 1.22 |
| EC (dS·m-1) | 1.15 | 6.00 | 11.46 | 1.15 | 6.00 | 11.46 |
TN: Total nitrogen; AN: Available nitrogen; AP: Available phosphorus; AK: Available potassium; BD: Bulk density, EC: Electrical conductivity, LS: low soil salinity, MS: medium soil salinity, HS: high soil salinity.