a measure of the relative productive capacity of a site for the crop or stand under study, based e.g. on volume or height (dominant, codominant or mean) or the maximum mean annual increment, that is attained or attainable at a given age
Member State shall notify the Commission of the quantities of table wine produced in each wine-growing region delimited in accordance with paragraph 9, broken down by yield class. These data shall be compiled on the basis of the production
declarations referred to in Article 3.