Abstract
This study include the limiting of production volume of crop for the farmers of shekan area in Nineveh his volume was (160) kg/donum as the result show the optimum volume (140) kg/donum and the volume of gains maximizing was (245)kg/donum ,the farmers get only usual gains but they not reach to production level which maximizing their gains the average of income (160000) dinar per donum, where the costs was (63920) dinars/donum there for the gains average(96080) dinar/donum.
