Treatments

RI

RII

RIII

Mean

T1 = Control (no urea)

3.0

3.2

3.2

3.2

T2 = Recommended urea soil applied (130 kg・ha−1)

5.0

4.8

4.8

4.9

T3 = 1% urea at 35 days after sowing

5.1

5.4

5.5

5.3

T4 = 1% urea at 60 days after sowing

5.1

5.3

5.4

5.3

T5 = 1% urea at 85 days after sowing

5.1

5.3

5.3

5.2