This research work is part of a university project called "Process Improvement of Food Production Base in Business Units (Ueb), province of Santiago de Cuba" belonging Study Centre of Applied Economic Research (CEIA). It took place in the "Granja Santiago" with direct subordination to the Ministry of Interior (MININT). Its main objective is the optimization of the structure of land of various crops based on the use of the Economic-Mathematical modeling, which allows to increase production levels and revenue while reducing costs. Preliminary analyzes provide cientificidad the planning process and allow an improvement of the results. Average, from the point of view of planning, production increases by 35,45 %, revenue by 27,92 % and the costs decrease by 13,90 %.