Active tillering stage

Flowering stage

Treatments

Root length (cm)

Root volume

(cc・hill^-1)

Root dry weight (g・hill⁻¹)

Root length (cm)

Root volume (cc・hill⁻¹)

Root dry weight (g・hill⁻¹)

Irrigation Scheduling

I₁

12.6

13.7

2.8

17.9

19.1

8.3

I₂

13.0

14.6

3.3

18.8

22.0

10.1

I₃

11.8

15.0

4.4

16.5

22.9

11.2

I₄

11.6

16.1

5.7

14.2

25.3

11.8

I₅

11.1

16.9

6.1

13.5

27.1

12.9

S.Ed.

0.23

0.55

0.08

0.35

0.56

0.20

C.D. (0.05)

0.53

1.27

0.19

0.80

1.29

0.46

Nitrogen Management

N₁

11.0

13.6

3.3

13.6

19.9

8.2

N₂

11.3

14.1

3.5

14.0

21.4

8.9

N₃

11.7

14.9

3.9

14.8

22.1

9.7

N₄

12.5

16.2

5.2

18.2

24.8

12.4

N₅

12.1

15.1

4.6

17.1

23.7

11.7

N₆

13.5

17.6

6.4

19.4

27.6

14.4

S.Ed.

0.22

0.31

0.11

0.35

0.58

0.26

C.D. (0.05)

0.48

0.68

0.24

0.76

1.27

0.57