SYNERBA PRO is a liquid formulation containing nitrogen and sulphur. particularly indicated in the phases of greater vegetative activity of the plant and following stress caused by climatic adversities such as cold. frosts. hail etc. SYNERBA PRO promotes the synthesis of carbohydrates and sulfur amino acids ensuring correct vegetative development and an increase in production yields. In particular, SYNERBA PRO increases the protein content in the treated crops thanks to the gradual release of nitrogen in association with sulphur