This research was developed in order to know the influence of the quality control program in the cultivation of sugar cane and its effect on sales of farmers in Laredo, because it has great economic and social impact in the valleys and towns along the coast, which depend almost exclusively on sugar production. Knowing what they consider quality controls farmers and their influence on the efficiency in sales, which have generated the development of new private planters are. Sales growth in recent years is due to the renovation and refurbishment of new fields of sugarcane to sell sugar to sugar companies and the entry of new private sugar cane growers. For this report the non-experimental research design as well as the inductive, deductive and statistical methods are used. Applying the technique of survey research and interview type. To analyze the relationship between quality control and ...