Table 2 Soil extractable nitrate at 0 to 400 cm and soil N₂O emissions from N fertilizer application treatments.

0

0.21^a

(0.03)

218^a

(10.4)

0

0.27^a

(0.04)

N.A.

80

0.28^a

(0.10)

285^a

(49.4)

68.5

(48.9)

0.45^ab

(0.09)

0.23

120

0.18^a

(0.04)

328^a

(38.0)

88.0

(28.7)

0.38^ab

(0.07)

0.10

160

0.23^a

(0.04)

382^a

(61.8)

144

(62.0)

0.58^ab

(0.07)

0.20

200

0.28^a

(0.06)

426^a

(89.0)

148

(75.5)

0.75^b

(0.17)

0.24