Nutrient

Treatment

Uptake of nitrogen in winter wheat (kg/hm2)

Regreening stage

Jointing stage

Flowering stage

Grain filling stage

Maturation stage

N

CK-A

45.32

66.50

110.14

125.11

95.42

FC-A

85.90

117.74

176.23

218.32

164.20

FO-A

90.31

115.64

190.28

237.20

185.69

CK-B

64.28

83.16

124.50

151.46

115.94

FC-B

102.13

137.20

189.45

235.38

174.35

FO-B

117.31

146.54

218.70

306.57

238.60