Periods of evaluation

Heights of Residues (cm)

Mean

10

20

30

40

Jan-Mar

34.79

45.66

45.93

53.30

44.92^A

Apr-Jun

27.24

36.31

43.44

46.71

38.43^B

Jul-Sep

25.30

32.21

38.03

41.45

34.25^B

Oct-Dec

32.52

36.22

38.43

44.12

37.82^B

Mean

29.96^c

37.60^b

41.46^ab

46.40^a