Treatment

Rate

Application time

SN

TSDWT

(g・ai・ha⁻¹)

(DAPE)

(per m²)

(g per m²)

Glyphosate

60

20

31.3

a

20.5

a

80

20

18.0

a

14.8

a

100

20

9.0

b

7.8

b

60

20/40

4.0

b

2.6

bc

80

20/40

2.3

bc

1.4

bc

100

20/40

1.0

c

0.7

bc

60

20/40/60

0.0

c

0.0

c

80

20/40/60

0.0

c

0.0

c

100

20/40/60

0.0

c

0.0

c

Control

25.7

a

16.1

a