The productivity concept appears frequently in the dialogue with Ricardo Ríos. This civil engineer in computer science, who graduated from Santa María University, knows very well what he is talking about. He started in 1992 with the purchase of 200 hectares of the Santa Laura Farm in Paillaco and today his company, hand in hand using the New Zealand production model, stands as the third most important dairy producer at the national level. With hard work and with the support of his wife Sandra Grob, a woman…