Productive Capacity of Varieties of Common Wheat (Triticum Aestivum, L.) in North-Eastern Bulgaria

In 2011 - 2013, in the land of the town Glodjevo municipality, Vetovo in Northeastern Bulgaria is displayed experiment to establish productive capacity of four varieties of common wheat. Studied varieties are Aglika, Venka 1, Demetra and Enola (used as a standard). In this research area the most productive variety is Enola. The yield of the grain is formed mainly by the weight of 1000 grains, the length of the class and depending on the weather conditions - the number of productive brothers