تحليل التغاير لتجارب بتسجيل اكثر من مشاهدة للقطعة التجريبية

Has the attempt in this research dealt with the subject of the possibility of making an analysis of covariance for experiments conducted by CRD (Complete Randomized Design) with more than one observation per experimental unit, communio‎n with the analysis of the familiar situation with one observation per experimental unit. To the knowledge of the researcher there is not touched on this topic previously. Where it was presented the theoretical side and formulas that will be used in the analysis, and then the application in the agricultural sector on an experiment conducted by CRD with four observations per each experimental unit. After that the data collected was conducted according to the method presented in the theoretical side.