This work deals with the analysis of variance basis .It starts from
monofactor analysis of variance to bifactor analysis of variance .
Then , I applied the already mentioned theoretical study to actual
issue in the agriculture field . I have chose
n wheat and studied the
best date to plan it and the best Plant production through
a detailed study based o SPSS program . then , I showed the results
of each variable in a detailed . Finally , this work can be a basis of
another work using other analysis methods and other statistical in
the analysis of variance .
