In summer and autumn of 2020, in Haskovo – Bulgaria, with the collaboration of the International Research Center Sagea and the local branch, a trial has been conducted on pepper to demonstrate the efficacy of some products of PROTEO INTERNATIONAL S.r.l.

During the trial conducted on the Slonovo uvo variety, FOLIAMIN and VALTAN have been used as integration to the standard nutritional plan used in the area to improve the production.

The evaluation of the different parameters measured showed a positive effect on yield. In addition, the trial showed an increase of the production suitable to be classified in the best commercial categories.