Opinion of the Economic and Social Committee on: - the 'Proposal for a Council Regulation (EC) amending Regulation (EEC) No 1766/92 on the common organization of the market in cereals and repealing Regulation (EEC) No 2731/75 fixing standard qualities for common wheat, rye, barley, maize and durum wheat', and - the 'Proposal for a Council Regulation (EC) establishing a support system for producers of certain arable crops'.