PARIS (Reuters) – This year’s winter grain crops in France show excellent quality levels and yields within average but results are very heterogeneous, Axereal, one of France’s largest grain cooperatives, said on Thursday. Grain production in France, the European Union’s biggest grower, is expected to fall this year after harsh weather hurt crops in some areas. The harvest of winter grains, such as wheat, barley, rapeseed and durum, was about to end with nearly two weeks in advance, Axereal said. “The results at this stage are within a decent average and generally show very good quality, in lin…