Period of evaluation

Heights of Residues (cm)

Mean

10

20

30

40

Jan-Mar

24.59

26.86

28.64

27.32

26.85^B

Apr-Jun

25.68

27.61

27.77

28.55

27.40^B

Jul-Sep

25.31

27.66

29.55

29.63

28.04^AB

Oct-Dec

30.39

31.93

31.35

31.19

31.22^A

Mean

26.49^a

28.52 ^a

29.33 ^a

29.17 ^a