Nera (Danube) Nera (Danube) The Nera (, or Нера, ) is a river running through Romania and Serbia. It is a left tributary of the Danube, which it joins near Banatska Palanka. The Nera rises in the Semenic mountains, the easternmost part of the Banat region, south of the city of Reșița, in the Caraș-Severin County of Romania. The river starts at the confluence of headwaters of the Nergana and Nerganița then flows straight to the south from the Piatra Grozbe peak, under which it springs. Reaching the village of Borlovenii Vechi, the Nera turns southwest, flowing between the Semenic and Banat
Grisa nera are grown almost exclusively in the Piedmont region strongly suggest that both varieties are native to Piedmont. Grisa nera is a mid to late ripening variety that is used for both wine and table grape production. The vine can be very vigorous, producing large foliage but often has low fertility and is generally low yielding. While Grisa nera has good resistance to most fungal diseases, such as downy and powdery mildew, it is susceptible to the viticultural hazard of coulure. Grisa nera is almost exclusively found in the foothills of the Alps in the Piedmont wine region of Italy. Here