Z. Shindarska, V. Kirov, G. Kostadinova, B. Baykov It was made a comparative assessment of the main technological parameters of the silages of different types as a source for the production of biogas as well as it was given an assessment to the bioshlam derived from them. For this pur

A. Ivanova, N. Tsenov Abstract. The constant interest in common wheat investigations is determined by the main share this crop has in agriculture and by the unique properties it possesses. This investigation was carried out under field conditions for a three-year period (2009 – 2011)

Tz. Kikindonov Abstract. There is an increased interest in growing stevia (Stevia rebaudiana Bertoni) as a source of natural, non-caloric sweeteners in recent years. In the 1980’s, in the former Sugar beet Institute near Shumen our researches on the introduction and growth of st