Treatment No.

Mid-June

After Harvest (November)

0 - 15 cm

15 - 30 cm

30 - 45 cm

0 - 15 cm

15 - 30 cm

30 - 45 cm

1

0.294 a*

0.854 bc

1.302 b

0.441 a

0.997 b

1.267 b

2

0.287 a

0.882 bc

1.351 b

0.413 a

0.980 b

1.323 b

3

0.315 a

1.239 a

2.058 a

0.406 a

1.092 b

1.540 a

4

0.175 a

0.707 c

1.274 b

0.339 a

1.197 a

1.512 a