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

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

M. Gevezova-Kazakova*, M. Yankova, T. Hubenova, A. Zaikov, G. Rusenov Institute of Fisheries and Aquaculture, 4003, Plovdiv, Bulgaria (Manuscript received 29 May 2017; accepted for publication 29 July 2017) Abstract. The aim of this study is to examine the size selectivity of the pike

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 11 August 2016) Abstract. The research was condu

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

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

Gr. Delchev* Department of Plant Production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria Abstract. During the period 2010 – 2012, on the experimental field of the Field Crops Institute, Chirpan a field experiment was carried out with imitolerant hybrid winte

M. Dimitrova*, I. Zhalnov, D. Stoychev Department of Farming and Herbology, Faculty of Agronomy, Agricultural University, 12 Mendeleev, 4000 Plovdiv, Bulgaria Abstract. Within the period 2011 – 2014 in the experimental field of the Agricultural University, Plovdiv, field experiments w