T. Barakova1*, G. Delchev2 1Field Crops Institute, 6200 Chirpan, Bulgaria 2Department of Plant Production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 16 May 2016; accepted for publication 26 May 2016) Abstract. An experiment was carried

G. Delchev* Department of Plant Production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 28 January 2016; accepted for publication 2 March 2016) Abstract. . The research was conducted during 2013 – 2015 on pellic vertisol soil type. Under

M. Dimitrova-Doneva1*, D. Valcheva1, G. Mihova2, B. Dyulgerova1 1Institute of Agriculture, 8400 Karnobat, Bulgaria 2Dobrudzha Agricultural Institute, 9520 General Toshevo, Bulgaria (Manuscript received 30 October 2015; accepted for publication 8 February 2016) Abstract. The aim of thi

B. Dyulgerova*, N. Dyulgerov Institute of Agriculture, 8400 Karnobat, Bulgaria (Manuscript received 30 October 2015; accepted for publication 8 February 2016) Abstract. The study was conducted to analyze grain yield performances of twenty eight mutant barley lines, two new feed barley

G. Delchev, N. Georgieva, I. Nikolova Abstract. With the purpose to study the stability of mixtures among preparations with different biological effect on the basis the grain yield in spring vetch a three-factor field trial was carried out during the period 2007-2009 in Institute of F

G. Delchev Abstract. During the period 2010 – 2012, on the experimental field of the Field Crops Institute – Chirpan was carried out a field experiment with conventional Maximus hybrid PR44D06 (Brassica napus). A total of 15 variants were investigated. Canola hybrid from Maximus

N. Tsenov, D. Atanasova Abstract. Numerous common wheat varieties have been developed in Bulgaria, which when grown under variable environments, the magnitude of the grain yield is influenced by them. In order to determine the reasons for such variations the effect of the growing cond

B. Dyulgerova, D. Dimova, D. Valcheva, D. Vulchev, T. Popova, M. Gocheva Abstract. Five winter feed barley varieties were tested at the experimental field of the Institute of Agriculture – Karnobat over a six-year period to assess their yield potential and stability. Varieties Bozhin

E. Penchev, K. Kostov, I. Stoeva, V. Dochev Abstract. The effect of the environment on a group of new Bulgarian varieties was investigated in three different locations for a period of 5 years. AMMI models were applied. The dispersion analysis carried out proved the different genetic p

Oil bearing roses are traditionally grown in regions like the famous “rose valley” in Bulgaria where the climate is known to be favorable for high rose flower and essential oil yield. However, environmental conditions could vary within the microregions of the rose valley as well as be