Table 5 Grain yields under different methods of straw application in different location
Year | Treatment | Grain yield (Mg ha−1) | |||||||
|---|---|---|---|---|---|---|---|---|---|
Straw addition | Application season | Application method | Noeun (SCL) | Jukdong (SL) | Wanju (L) | Gimje (SiCL) | Jinju (CL) | Sacheon (SiL) | |
1st | No straw | – | – | 6.1 | 5.7 | 6.2 | 8.1 | 5.6 | 6.9 |
Straw | Spring | – | 6.4 | 5.9 | 6.7 | 8.4 | 6.0 | 7.4 | |
Straw | Autumn | Spreading | 6.3 | 6.1 | 6.6 | 8.2 | 6.0 | 7.0 | |
Straw | Autumn | Mixing | 6.9 | 6.0 | 6.5 | 8.3 | 6.1 | 7.3 | |
2nd | No straw | – | – | 5.9 | 6.2 | 6.3 | 7.6 | 5.9 | 7.0 |
Straw | Spring | – | 6.0 | 6.4 | 6.7 | 7.9 | 5.5 | 6.9 | |
Straw | Autumn | Spreading | 6.4 | 6.1 | 6.5 | 7.7 | 6.0 | 7.3 | |
Straw | Autumn | Mixing | 6.3 | 6.2 | 6.6 | 7.7 | 5.8 | 7.1 | |