Periods of evaluation

Heights of Residues (cm)

Mean

10

20

30

40

Jan-Mar

3.77^Ab

3.53^Ab

4.40^Aab

4.80^Aa

4.13^A

Apr-Jun

3.44^Ab

4.13^Aab

4.60^Aa

4.82^Aa

4.25^A

Jul-Sep

3.69^Ab

4.00^Aab

4.44^Aab

4.71^Aa

4.21^A

Oct-Dec

3.78^Aab

3.71^Ab

4.07^Aab

4.76^Aa

4.08^A

Mean

3.67^c

3.84^c

4.38^b

4.77^a