Treatment

Soaking Time (minutes)

1

3

5

Control

45.34^a

37.70^bc

36.42^bc

9:1 H₂SO₄

38.39^b

23.12^f

25.80^ef

7:3 H₂SO₄

44.74^a

32.14^cd

36.31^bc

1:1 H₂SO₄

43.35^a

36.51^bc

30.16^de

4:6 H₂SO₄

44.91^a

37.40^bc

37.90^b

3:7 H₂SO₄

30.56^de

39.09^b

33.53^cd

2:8 H₂SO₄

37.70^bc

26.99^e

36.61^bc

1:9 H₂SO₄

34.82^ce

30.77^d

27.68^e

SE (±) 3.00