Table 4 Effects of tillage and seeding method combinations on wheat (a) maximum tiller number, (b) tiller fertility, (c) spike number, and (d) grain yield in 2018.
Tillage method | Seeding method | Maximum tiller number (m−2) | Tiller fertility (%) | Spike number (m−2) | Grain yield (t ha−1) |
|---|---|---|---|---|---|
Rotary tillage | SM1-2 | 1043 ± 26 b | 14 ± 1 e | 377 ± 10 d | 5.53 ± 0.12 d |
SM2 | 790 ± 15 c | 28 ± 2 c | 413 ± 8 d | 5.11 ± 0.18 e | |
SM3 | 870 ± 24 c | 37 ± 2 a | 491 ± 17 c | 6.83 ± 0.28 b | |
SM4 | 862 ± 46 c | 40 ± 1 a | 505 ± 19 bc | 6.81 ± 0.29 b | |
Zero tillage | SM1-2 | 1264 ± 70 a | 24 ± 2 cd | 510 ± 20 abc | 7.11 ± 0.14 ab |
SM2 | 1243 ± 5 a | 20 ± 1 d | 468 ± 14 c | 6.27 ± 0.20 c | |
SM3 | 1050 ± 20 b | 35 ± 2 ab | 545 ± 21 ab | 7.23 ± 0.10 a | |
SM4 | 1232 ± 65 a | 29 ± 2 bc | 548 ± 6 a | 7.12 ± 0.10 ab |