Dresden Hauptbahnhof to the limits on Dresden station. For operational purposes, Dresden Hauptbahnhof (Hbf) is part is part of the Dresden “operating agency” ("Betriebsstelle"; DDRE) which consists of the following station parts: All lines to Dresden have entry signals, as do the opposite tracks. The operating agency of Dresden has a total of 15 entry signals. Two long-distance railway corridors intersect in Dresden. In addition to the important long-distance route to Leipzig, there is also the north–south corridor from Berlin via Dresden and Prague to Vienna. A third corridor from Nuremberg to Wrocław has lost its importance in Germany and Poland and
Potato production in China surge of potato production during the 1990s has been credited to technological advancements. 21st-century production of potatoes in China has fallen considerably though, largely due to growth sites becoming less suitable and hence diminishing the sustainability of potato cultivation, alongside the increasing prioritisation of other crops and produce over potatoes. Efforts from 2004 onwards started to focus on the organic production of potatoes; the first organic potato enterprise originated in Heilongjiang, while Wuchuan County, which has good water, weather and a culture of using organic fertilisers, is the largest of all the organic potato producers in China. The potato is