Regional News  Russia’s new export tax scheme has, according to WPI sources, effectively stopped sales for the spring, and particularly new crop positions. The new tax took effect 15 February as well as the 17.5 MMT quota and the floating tax calculation will start 1 April for all exports from 1 June forward.  A moderate warm, dry trend is forecast for western, central, and parts of southeast Europe for the coming week. Black Sea precipitation will be near normal with light precipitation across Ukraine and southern Russia. While European temperatures will be warm this week, eastern Ukraine and most of Russia will see below-normal temperatures. The forecast remains favorable for European winter crops that are already in goo...