In addition to daylight, commercial growers might want to use artificial light to increase production and quality of crops. For years Patron Agri Sytems International has been calculating and installing grow lights in greenhouses with ornamental crops and, increasingly also, with vegetable crops. Depending on the location in the world and the crops, we will be able to advise on a variety of different lights, from innovative led to the more traditional growing lights, with a maximum result.