Table 3 The effects of the tillage method and seeding method on the maximum tiller number, tiller fertility, grain yield, and yield components in 2017 and 2018.

From: Tillage and seeding strategies for wheat optimizing production in harvested rice fields with high soil moisture

Year

Treatment

Maximum tiller number (m−2)

Tiller fertility (%)

Spike number (m−2)

Single spike yield (g)

Grain yield (t ha−1)

2017

Tillage method

Rotary tillage

1006 ± 39 a

34 ± 1 b

521 ± 22 a

1.27 ± 0.02 b

6.59 ± 0.20 b

Zero tillage

907 ± 40 a

39 ± 1 a

520 ± 25 a

1.39 ± 0.03 a

7.22 ± 0.28 a

Seeding method

SM1-1

1047 ± 50 a

39 ± 3 a

573 ± 3 a

1.30 ± 0.07 a

7.43 ± 0.42 a

SM2

924 ± 44 b

34 ± 3 b

494 ± 7 b

1.31 ± 0.04 a

6.48 ± 0.28 b

SM3

899 ± 56 b

36 ± 1 ab

495 ± 12 b

1.38 ± 0.08 a

6.81 ± 0.24 b

2018

Tillage method

Rotary tillage

891 ± 48 b

29 ± 5 a

447 ± 27 b

1.36 ± 0.04 a

6.07 ± 0.39 b

Zero tillage

1197 ± 44 a

27 ± 3 a

518 ± 17 a

1.34 ± 0.02 a

6.93 ± 0.20 a

Seeding method

SM1-2

1154 ± 111 a

19 ± 5 c

443 ± 67 b

1.43 ± 0.04 a

6.32 ± 0.79 b

SM2

1016 ± 226 bc

24 ± 4 b

441 ± 27 b

1.29 ± 0.04 b

5.69 ± 0.58 c

SM3

960 ± 90 c

36 ± 1 a

518 ± 27 a

1.36 ± 0.03 ab

7.03 ± 0.20 a

SM4

1047 ± 185 b

34 ± 5 a

527 ± 22 a

1.32 ± 0.02 ab

6.97 ± 0.16 a

  1. Data are presented as means ± standard errors. Different letters indicate significant differences between treatments at the 0.05 probability level. SM1-1 small-size broadcast seeder, SM1-2 small-size drill seeder, SM2 small-size strip seeder, SM3 medium-size strip seeder, SM4 medium-size drill seeder.
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