 It stated that UTZ cocoa, coffee and tea farms generate higher yields and better quality crops than conventional farms, and being trained in the UTZ Code of Conduct helps farmers to improve their knowledge and adopt sustainable farming practices.There are no independent scientific studies that prove positive effects of UTZ.Coffee, cocoa and tea with an UTZ certification has added value in the sense that it assures buyers that it has been produced according to an internationally recognized standard for responsible production, i.e.