Table 1 Effects of waterlogging at the seedling stage and nitrogen application on the accumulation of dry matter in the shoot of winter rapeseed.

D0

N1

3.41 ± 0.10^a

12.90 ± 0.53^c

40.89 ± 2.67 ^cd

41.34 ± 1.32^e

310.33 ± 12.14^ab

1591.67 ± 37.31^c

3977.00 ± 268.97 ^cd

5201.00 ± 309.31^de

N2

3.53 ± 0.02^a

14.73 ± 0.24^a

45.47 ± 2.66^bc

52.71 ± 3.92^c

313.83 ± 5.78^a

1775.00 ± 39.09^a

4543.38 ± 302.14^abc

7907.00 ± 380.72^b

N3

3.46 ± 0.10^a

13.86 ± 0.24^b

52.60 ± 2.82^a

70.58 ± 1.25^a

291.67 ± 6.92^abc

1836.50 ± 29.77^a

4849.00 ± 153.95^a

8737.00 ± 349.93^a

N4

3.43 ± 0.22^a

13.44 ± 0.42^bc

50.62 ± 2.54^ab

61.78 ± 0.74^b

315.83 ± 12.68^a

1681.50 ± 35.06^b

4623.67 ± 258.83^ab

6267.00 ± 110.78^c

D6

N1

2.64 ± 0.04^b

9.41 ± 0.09 ^f

32.08 ± 0.10^ef

30.24 ± 1.47^fg

280.67 ± 12.23^bcd

926.50 ± 18.50 ^h

2328.50 ± 39.91 ^g

3036.00 ± 220.46^fg

N2

2.62 ± 0.13^b

11.33 ± 0.11^de

36.98 ± 0.50^de

35.29 ± 1.48 ^f

257.33 ± 8.59^d

1154.83 ± 30.08 ^f

3396.83 ± 198.82^ef

4543.50 ± 210.91^e

N3

2.51 ± 0.16^b

14.00 ± 0.17^ab

45.05 ± 3.12^bc

46.64 ± 0.86^d

272.33 ± 8.67 ^cd

1392.33 ± 23.64^d

4116.83 ± 127.68^bcd

5495.50 ± 129.01^d

N4

2.44 ± 0.09^b

11.78 ± 0.20^d

40.95 ± 2.12 ^cd

40.96 ± 0.63^e

269.33 ± 11.57 ^cd

1283.00 ± 34.88^e

3738.67 ± 189.05^de

5243.50 ± 94.91^de

D9

N1

2.00 ± 0.15^c

6.55 ± 0.06 ^h

18.39 ± 1.19 ^g

23.75 ± 1.20 ^h

172.67 ± 13.72^e

577.00 ± 15.60^j

1718.00 ± 20.23 ^h

2062.50 ± 180.60 ^h

N2

2.09 ± 0.04^c

8.07 ± 0.07 ^g

29.61 ± 1.49 ^f

28.27 ± 1.34^gh

155.17 ± 5.78^e

757.00 ± 23.88ⁱ

2217.33 ± 137.51^gh

2740.00 ± 201.73 ^g

N3

2.05 ± 0.03^c

9.34 ± 0.27 ^f

34.28 ± 1.99^def

31.14 ± 0.21^fg

148.50 ± 10.75^e

1024.17 ± 34.61 ^g

2963.17 ± 143.89 ^f

3171.50 ± 31.28^fg

N4

2.01 ± 0.05^c

10.69 ± 0.15^e

35.39 ± 2.71^def

34.71 ± 1.76 ^f

163.00 ± 6.66^e

1104.67 ± 15.61^fg

3108.17 ± 175.51 ^f

3707.00 ± 263.51 ^f