V. Maneva*, D. Atanasova, T. Nedelcheva, M. Stoyanova, V. Stoyanova Institute of Agriculture, 8400 Karnobat, Bulgaria Abstract. In the period of 2012 – 2014, on the experimental field of the Institute of Agriculture in Karnobat, Bulgaria, was conducted a field trial of various sowing

Tz. Kikindonov, S. Enchev, K. Slanev Abstract. The influence of the in-row sowing rate for different varieties of Sudan grass and Sorghum x Sudan grass hybrids on the green mass productiveness in brooming stage was studied in 2010–2011. In significantly differing agro-climatic conditi