Case C-526/08: Judgment of the Court (Grand Chamber) of 29 June 2010 — European Commission v Grand Duchy of Luxembourg (Failure of a Member State to fulfil obligations — Admissibility — Non bis in idem — Res judicata — Articles 226 EC and 228 EC — Article 29 of the Rules of Procedure — Language of the case — Directive 91/676/EEC — Protection of waters against pollution caused by nitrates from agricultural sources — Non-compliance of national measures with the rules relating to the periods, conditions and techniques of land application of fertiliser — Minimum storage capacity for liquid manure — Prohibition on land application on steeply sloping ground — Techniques ensuring a uniform and effective land application of fertiliser)