Water management

Nitrogen fertilizer level

No nitrogen fertilizer (N0)

Alternate wetting and drying (AWD)

Urea 60 kg N/ha (N1)

90 kg N/ha (N2)

No nitrogen fertilizer (N0)

Moist condition between saturation and field capacity (MC)

60 kg N/ha (N1)

90 kg N/ha (N2)

No nitrogen fertilizer (N0)

Continuous submergence (CS)

60 kg N/ha (N1)

90 kg N/ha (N2)