Twelve years after the first attempt, the agro-industrial group Adecoagro is about to get its revenge: it will gain control of the SanCor dairy cooperative, a company of the utmost importance for the Argentine dairy industry. That will be next Thursday when a meeting of farm shareholders of the dairy firm decides as an association whether  Adecoagro can have more than 90% of the assets that are to be transferred. The amount of the transaction is confidential but, according to market sources, the proposal…