Table 2 Effects of planting pattern and fertilizer rate on nitrogen (N) and phosphorus (P) uptake by foxtail millet at harvesting during 2013–2015.

From: Strategies for reducing the fertilizer application rate in the ridge and furrow rainfall harvesting system in semiarid regions

Year

Planting pattern

Fertilizer rate

N uptake (kg ha−1)

P uptake (kg ha−1)

Straw

Grain

Total plant

Straw

Grain

Total plant

2013

R

F0

17.1e

38.3d

55.4e

5.7e

8.6e

14.3e

F1

36.5d

68.2c

104.7d

8.5d

14.7d

23.2d

F2

59.2c

86.8b

146.0c

12.6c

22.6c

35.1c

F3

67.5ab

91.1ab

158.6ab

14.5ab

25.5ab

40.1ab

Mean

45.1A

71.1A

116.2A

10.3A

17.8A

28.2A

T

F0

16.8e

38.2d

55.0e

6.3e

8.9e

15.2e

F1

34.7d

69.6c

104.3d

8.7d

14.3d

23.0d

F2

59.3bc

94.0a

153.2bc

12.9bc

23.6bc

36.9bc

F3

69.9a

96.1a

166.0a

15.8a

27.5a

43.3a

Mean

45.2A

74.5A

119.6A

10.9A

18.6A

29.6A

Analysis of Variance

P

ns

*

ns

ns

ns

ns

F

**

**

**

**

**

**

P × F

ns

ns

ns

ns

ns

ns

2014

R

F0

32.0f

67.0de

99.0d

1.7f

10.2d

12.0f

F1

39.8de

89.0c

128.9c

2.4e

13.9c

16.3de

F2

56.9c

107.5ab

164.4ab

4.0d

16.5ab

20.5bc

F3

61.3b

111.5a

172.8ab

5.0b

17.3a

22.3a

Mean

47.5B

93.7A

141.3A

3.3B

14.5A

17.8A

T

F0

35.4ef

63.1e

98.5d

2.0f

10.2d

12.2f

F1

46.7d

75.1d

121.7c

2.8e

11.0d

13.8ef

F2

65.8b

95.6bc

161.5b

4.9c

14.2bc

19.1cd

F3

73.7a

102.7ab

176.4a

5.9a

16.0ac

21.9ab

Mean

55.4A

84.1B

139.5A

3.9A

12.9B

16.7A

Analysis of Variance

P

*

**

ns

**

*

ns

F

**

**

**

**

**

**

P × F

ns

ns

ns

**

ns

ns

2015

R

F0

12.9e

44.2d

57.1e

1.3f

7.9cd

9.2e

F1

23.4d

78.7b

102.1c

1.9de

12.1b

14.1c

F2

38.8c

97.3a

136.1b

3.4c

14.7a

18.0b

F3

48.3b

98.2a

146.6ab

4.4b

15.4a

19.9a

Mean

30.9B

79.6A

110.5A

2.8B

12.5A

15.3A

T

F0

13.3e

42.1d

55.3e

1.7ef

7.2d

8.9e

F1

27.3d

60.6c

87.9d

2.6cd

9.3c

11.9d

F2

45.0b

87.3ab

132.4b

4.2b

13.1b

17.4b

F3

57.6a

92.6a

150.2a

5.8a

14.0a

19.8a

Mean

35.8A

70.7B

106.4A

3.6A

10.9B

14.5A

Analysis of Variance

P

**

*

ns

**

*

ns

F

**

**

**

**

**

**

P × F

ns

*

*

*

*

*