Why negotiations Vladimir Putin and Recep Erdogan did not help the grain transaction

Negotiations President of the Russian Federation Vladimir Putin and President of Turkey Recep Erdogan did not bring anything essentially new in a question of the grain transaction. Russian Federation insists on the requirements especially as within the country there is powerful resistance to diplomatic arrangements. Why Russian Federation does not wish to prolong the grain transaction, despite persistence Turkey, understood magazine "Forbes". On September 4 to Sochi passed lasting three hours negotiations President of the Russian Federation Vladimir Putin and President of Turkey Recep Erdogan. The grain transaction was declared as the main subject, however...