General data for sustainability of horticultural production in Azapa's Valley, Arica, Chile

The region of Arica and Parinacota has exceptional conditions for growing vegetables off season, being the main supplier of vegetables for the country during the winter. Average regional production is significantly major than the national average, with a high commercial value that makes horticulture of Azapa's Valley a very competitive activity. The main advantages for growing vegetables are the natural conditions of soil, climate and water. The main problems are related to crop management, especially irrigation techniques, pest and disease control and soil fertilization of the crop. This situation was described about 40 years ago and observed until today.