The present work is orientated to find ideal parameters · for the. handling post-harvest of the hard-yellow corn (Zea. Mays) ~ The present study understood two stages: The first one was carried out in · the property of the Company: San Fernando CORP. (Buenos Aires· - Picota) and · it embraces the handling of the cultivation and the harvest. During the handling of cultivation of the corn the factors were evaluated that we hinder the handling post-harvest as· the plagues of insects (Spodoptera· frugiperda orcogollero, Heliothis zea. or mazorquero and Diatraea. saccharalis or cañero) and the fungi that cause rotting cob. The crop was realized from the determination of the physiologic maturity; which established using the visual method, this method consists in observing the black cape or black point in the base of the grains of corn, that should constitute 50% of these; was also carri...