K. Taneva* Agricultural Academy, Field Crop Institute, 6200 Chirpan, Bulgaria (Manuscript received 5 June 2023; accepted for publication 18 May 2024) Abstract. The experiment was conducted on a soil type Pellic Vertisols in the experimental field of the Institute of Field Crops – Chir

F. Tahir*1,2 1Department of Biology, Faculty of Life and Science, Ibn Khaldoun University 14000, Tiaret Algeria, Laboratory of Biotechnology and Nutrition in Dry Areas 2Field Crops Technical Institute ITGC 14000 Tiaret, Algeria (Manuscript received 15 October 2023; accepted for public

B. Frih1*, A. Oulmi1, A. Guendouz2, S. Benkadja3 1Department of Biology and Plant ecology, VRBN Laboratory, Farhat Abbas Sétif University 2National Institute of Agronomic Research of Algeria (INRAA), Sétif Unit 3Department of Biology and Plant ecology, VRBN Laboratory, Farhat Abbas Sé

S. Benkadja1*, K. Maamri2, A. Guendouz3, A. Oulmi4, B. Frih4 1Department of Agronomy, VRBN Laboratory, Faculty of Nature and Life Sciences, Farhat Abbas Setif University 1, Algeria 2Department of Agronomy, Faculty of Nature and Life Sciences, Mohamed El Bachir El Ibrahimi University o

G. Delchev Department of Plant Production, Faculty of Agriculture, Trakia University, Stara Zagora, Bulgaria (Manuscript received 31 Mai 2021; accepted for publication 13 December 2021) Abstract. The research was conducted during 2018 – 2020 on pelvic vertisol soil type. Under i

V. Ivanova*, T. Alexandrov Dobrudzha Agricultural Institute, 9520 General Toshevo, Bulgaria (Manuscript received 19 March 2021; accepted for publication 15 September 2021) Аbstract. The response of 1262 durum wheat lines to the cause agent of leaf rust Puccinia triticina was studied.

P. Nikolov1*, G. Delchev2 1Institute of Agriculture and Seed Science “Obrazcov Chiflik”, 7007 Ruse, Bulgaria 2Department of Plant Production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 31 May 2021; accepted for publication 23 July 2021)

G. Panayotova1*, S. Kostadinova2, S. Stefanova-Dobreva3, A. Muhova3 1Department of Plant production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria 2Department of Agrochemistry and Soil Science, Faculty of Agronomy, Agricutural University, 4000 Plovdiv, Bulgari

Gr. Delchev*, S. Angelova Department of Plant Production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 5 July 2018; accepted for publication 1 February 2019) Abstract. The aim of the study was to investigate the productivity and yield sta

Gr. Delchev*, M. Delcheva Department of Plant Production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 17 May 2018; accepted for publication 16 October 2018) Abstract. Theresearchwasconductedduring2012-2014onpellicvertisolsoiltype.Investi