Treatment

No. of effective tillers hill^?1

Panicle length (cm)

No. of grains panicle^-1

1000 grain weight (g)

Grain yield

(t∙ha⁻¹)

Straw yield

(t∙ha⁻¹)

Harvest index (%)

Variety

BRRI dhan29

10.71b

21.61

89.93b

23.58a

6.61b

8.53b

43.67

Dhani gold

10.97a

21.66

91.46a

22.83b

6.67a

8.79a

43.07

Standard error

0.086

0.050

0.465

0.198

0.020

0.073

0.316

Level of significance

*

NS

*

**

*

**

NS

N management approaches

BRRI recommended N

10.43c

21.40

88.89b

23.77

6.27f

8.02c

43.85a

Soil analysis based N management

11.30ab

21.58

90.93b

22.15

6.85c

8.50b

44.64a

N management based on agro-ecological zone

11.07b

21.59

90.22b

23.50

6.67de

8.77ab

43.18ab

20 kg∙N∙ha⁻¹ at ≤35 SPAD value

10.07c

21.91

90.96b

23.67

5.92g

8.34bc

41.37b

30 kg∙N∙ha⁻¹ at ≤35 SPAD value

10.37c

21.53

89.80b

23.15

6.75cd

8.65ab

43.84a

20 kg∙N∙ha⁻¹ at ≤3.0 LCC value

11.67a

21.68

89.67b

23.43

7.10a

9.10a

43.83a

30 kg∙N∙ha⁻¹ at ≤3.0 LCC value

11.33ab

21.72

91.13b

23.08

6.98b

9.08a

43.48a

Urea super granule (USG)

10.47c

21.65

93.99a

22.87

6.56e

8.79ab

42.77ab

Standard error

0.171

0.101

0.929

0.396

0.039

0.145

0.633

Level of significance

**

NS

*

NS

**

**

*

CV (%)

3.86

1.14

2.51

4.19

1.44

4.12

3.57