Table 3 Biomass and nutrient remobilization amounts, remobilization efficiencies, and apparent contribution to the grain among different cultivation patterns over 2 years.

From: Integrating density and fertilizer management to optimize the accumulation, remobilization, and distribution of biomass and nutrients in summer maize

Biomass and nutrient

Year

Patterns

Remobilization amount (kg ha−1)

Remobilization efficiency (%)

Apparent contribution to grain (%)

Stalk

Leaf

Husk + cob

Total

Stalk

Leaf

Husk + cob

Total

Stalk

Leaf

Husk + cob

Total

Biomass

2014

SH

593.5a

865.4a

− 292.7c

1,166.2a

11.4a

22.5b

− 2.1b

10.5a

4.2a

6.1b

− 2.1b

8.2c

ONM

522.1b

907.3a

− 194.0b

1,235.4a

10.2b

24.4a

− 1.5a

11.3a

4.0a

6.9ab

− 1.5a

9.4b

FP

436.2c

733.7b

− 146.6a

1,023.3b

9.8b

23.3ab

− 1.5a

11.0a

4.3a

7.3a

− 1.5a

10.1a

2015

SH

765.8a

791.8a

− 162.5b

1,395.1a

12.8a

21.1a

− 1.1ab

11.1a

5.1a

5.3a

− 1.1ab

9.3a

ONM

685.2b

795.4a

− 148.2b

1,332.4a

11.9ab

22.4a

− 1.0a

11.1a

4.8a

5.6a

− 1.0a

9.4a

FP

527.7c

609.8b

− 125.7a

951.8b

11.5b

22.0a

− 1.2b

9.9b

4.9a

5.6a

− 1.2b

9.3a

N

2014

SH

21.5a

68.1a

6.1b

95.7a

31.0a

59.8a

2.2c

47.0a

7.9a

25.0c

2.2c

35.1c

ONM

18.1b

64.2b

6.8b

89.1a

26.6b

58.1a

3.0b

44.9b

7.8a

27.8b

3.0b

38.6b

FP

12.0c

55.6c

8.4a

76b

23.6c

57.8a

5.3a

45.9b

7.6a

35.2a

5.3a

48.1a

2015

SH

31.7a

70.9a

15.3ab

117.9a

35.6a

58.2a

5.7b

48.5a

11.8ab

26.5a

5.7b

44.0b

ONM

29.9a

57.5b

14.4b

101.8b

38.3a

55.3b

6.0b

48.1ab

12.6a

24.2b

6.0b

42.8c

FP

20.0b

44.8c

16.2a

81c

32.0b

55.1b

9.3a

47.6b

11.5b

25.6ab

9.3a

46.4a

P

2014

SH

6.0a

10.4a

5.0a

21.4a

17.3a

34.8a

5.9b

28.9a

7.0a

12.2a

5.9c

25.1a

ONM

3.9b

9.5a

5.0a

18.4b

12.5b

34.6a

6.4b

27.1ab

5.0b

12.2a

6.4b

23.6b

FP

1.7c

7.2b

4.1b

13c

7.9c

29.8b

7.3a

24.6b

3.0c

12.9a

7.3a

23.2b

2015

SH

19.0a

8.4a

3.6a

31a

36.7a

27.5a

3.7a

29.8a

19.7a

8.8a

3.7a

32.2a

ONM

17.9a

7.9a

0.0c

25.8b

35.9a

26.4a

0.0c

26.4b

19.0a

8.4b

0.0c

27.4b

FP

8.8b

6.0b

1.2b

16c

25.0b

26.3a

1.9b

21.8c

13.2b

9.1a

1.9b

24.2c

K

2014

SH

24.8a

24.7a

0.7a

50.2a

18.7a

36.8a

1.3c

23.3a

42.6a

42.5b

1.3b

86.4a

ONM

19.4b

21.8b

0.8a

42b

15.2b

34.9a

1.5b

20.4b

37.5b

42.0b

1.5b

81.0b

FP

8.8c

15.9c

0.7a

25.4c

10.7c

31.8b

2.0a

17.4c

24.6c

44.3a

2.0a

70.9c

2015

SH

29.0a

25.7a

− 3.6b

51.1a

19.4a

36.6a

− 6.1b

20.4a

48.6a

43.1a

− 6.1b

85.6a

ONM

25.2b

21.4b

− 3.3b

43.3b

18.5a

34.6b

− 6.1b

19.4a

46.4b

39.5b

− 6.1b

79.8b

FP

13.5c

15.8c

− 0.1a

29.2c

13.4b

33.5b

− 0.4a

16.9b

35.1c

40.9b

− 0.4a

75.6c

  1. SH, super high-yielding cultivation pattern; ONM, optimized nutrient management cultivation pattern; FP, local farmer's practice cultivation pattern. Different small letters indicate significantly differences at P < 0.05 as determined by the LSD test.