作物crops

推荐施肥量(kg/hm2)

optimum nutrient rate (kg/hm2)

化肥需求量(万吨)

fertilizer requirements (104 t)

参考文献

reference documents

N

P2O5

K2O

N

P2O5

K2O

合计total

水稻rice

180.2

67.9

109.9

42.67

16.08

26.02

84.77

[16] [20] - [27]

小麦wheat

162.9

79.4

86.5

18.78

9.15

9.97

37.91

[16] [20] [28] [29] [30] [31]

玉米maize

213.7

83.0

103.1

16.99

6.60

8.20

31.78

[28] [30] [31] [32] [33]

薯类potato crops

169.0

95.0

174.8

4.78

2.69

4.95

12.42

[34] [35]

大豆soybeans

75.5

74.0

59.9

1.60

1.57

1.27

4.44

[36] [37]

棉花cotton

243.3

93.8

103.5

4.99

1.92

2.12

9.03

[38]

油料oil crops

175.4

88.7

98.2

22.17

11.21

12.41

45.79

[39] [40] [41]

蔬菜vegetables

195.4

87.4

124.6

25.03

11.20

15.96

52.19

[17]

其他others

157.3

83.2

107.3

6.21

3.29

4.24

13.74