G. Delchev* Department of Plant Production, Faculty of Agriculture, Trakia University, Stara Zagora, Bulgaria (Manuscript received 13 June; accepted for publication 01 September 2022) Abstract. The research was conducted during 2019 – 2022 on pellic vertisol soil type. Under inv

M. Georgiev* Department of Crop Science, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 14 October 2021; accepted for publication 16 January 2022) Abstract. In order to determine the impact of some herbicides and herbicide combinations on e

G. Delchev* Department of Plant Production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 31 May 2021; accepted for publication 26 July 2021) Abstract. During the period 2018-2020 a field experiment was carried out with the winter Clearfie

G. Delchev1*, T. Barakova2 1Department of Plant Production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria 2Field Crops Institute, 6200 Chirpan, Bulgaria (Manuscript received 16 May 2016; accepted for publication 9 August 2016) Abstract. The research was conduc

G. Delchev* Department of Plant Production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 28 January 2016; accepted for publication 30 May 2016) Abstract. During 2013 – 2015 on pellic vertisol soil type was conducted a field experiment. Un

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