Grain markets showing signs of rationing: focus now on South America

World grain markets are showing signs of rationing after a series of poor harvests pushed commodity prices to a high level, according to a leading market analyst.Alexis Pouye, Managing Director of Offre & Demande Agricole (ODA) UK, said there were signs that the markets were moving towards equilibrium, but there were still a number of factors that could cause volatility. “A few weeks ago we were saying that rationing was necessary and now it is starting to happen. In the short term the markets may come under pressure, but after this prices should remain at relatively high levels,” he