Table 5 N, P, and K utilization efficiencies of summer maize under different cultivation patterns.

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

Year

Patterns

RE (%)

HI (%)

PFP (kg kg−1)

AE (kg kg−1)

N

P

K

N

P

K

N

P

K

N

P

K

2014

SH

34.3ab

20.1c

22.9c

71.6a

61.9a

26.1a

27.6c

46.0c

27.6c

6.4b

8.5b

4.2b

ONM

36.9a

22.5b

26.0b

67.9b

61.2a

24.1b

33.9a

54.2b

30.1b

7.6a

9.7a

5.1a

FP

24.8c

29.9a

34.5a

63.9c

58.2b

22.9c

31.6b

90.6a

52.3a

6.2c

6.0c

3.8c

2015

SH

35.2ab

17.5c

16.4b

68.2a

56.9a

23.1a

26.4c

43.9c

26.4c

5.8b

6.2c

3.3bc

ONM

36.8a

21.4b

16.0b

68.5a

56.7a

23.2a

31.8a

50.9b

28.3b

7.2a

7.8a

3.7a

FP

27.7c

25.6a

22.3a

66.4b

53.7b

21.3b

30.8b

88.2a

50.9a

5.3bc

7.1b

3.4ab

  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.