WPD^†

N rate: 0 kg·ha⁻¹

ENSO phase

N rate: 50 kg·ha⁻¹

ENSO phase

N rate: 100 kg·ha⁻¹

ENSO phase

E

L

N

E

L

N

E

L

N

Sep-15

874^a‡

851^a

1037^a

3269^a

2469^b

3013^ab

6404^a

4010^b

4776^b

Sep-30

1120^a

1074^a

1219^a

3781^a

2593^b

3101^ab

6778^a

4162^c

4975^b

Oct-15

1243^a

1175^a

1296^a

3826^a

2847^b

3237^ab

6719^a

4277^c

5236^b

Oct-30

1434^a

1263^a

1284^a

4081^a

2711^b

3237^b

6690^a

4051^c

5281^b

Nov-15

1502^a

1289^a

1261^a

4213^a

2689^b

3221^b

6379^a

3990^c

5255^b

Nov-30

1462^a

1383^a

1216^a

4022^a

2948^b

3129^b

6329^a

4311^b

4924^b