The effect of interaction between fertilization rates and
cutting height on number of leaves/m2 was not enough to
reach the 5% level of significance during 2009 and 2010
seasons in the three cuts as shown in Table 3. On the
other hand, the number of leaves/m2 was influenced significantly
as affected by the interaction between nitrogen
fertilization rates · cutting height in the first and second
cuts of combined results, but the third cut was vice
versa.