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Bulgarian Journal of Agricultural Science (BJAS)® is a peer-reviewed, open access, online and print journal, issued bimonthly. It has been published in English since 1995. It publishes original research papers, review articles and brief communications from all areas of agricultural science including agricultural economics, agroecology, agrochemisty and soil science, crop science, plant protection, animal science, veterinary medicine, fisheries and aquaculture, agricultural engineering, food technologies and other related areas.

ISSN 1310-0351 - print
ISSN 2534-983X - online

Publisher: Agricultural Academy of Bulgaria
Editor-in-Chief: Prof. Dr. Martin Banov
Executive editor: Estel Dimitrova
E-mail: bjas_sb@abv.bg
Web: www.agrojournal.org

Bulgarian Journal of Agricultural Science
125, Tzarigradsko shosse Blvd., Block 1
1113 Sofia, Bulgaria

Print preparation: Ivo Nikov
Printing:Lazaron Print Ltd

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Note to contributors

Volume 29 Number 5 October 2023


Interdependence between actors in the system and their role in increasing the performance of agribusiness in Albania – in focus Olive branch

Eglantina Pazaj

Forecasting the competitiveness of the agrarian sector of Ukraine in the conditions of War and European integration

Serhii Kozlovskyi, Tetiana Kulinich, Hennadii Mazur, Natalia Varshavska, Mariia Lushchyk, Illya Khadzhynov and Volodymyr Kozlovskyi

State aid for excise duty refund of fuels used in agriculture in Bulgaria in the context of the common European green policy

Vanya Georgieva and Nadezhda Blagoeva


Assessment of the impacts of the meteorological drought on the Livestock Sector in the Province of Taza, Morocco

Mohamed Belmahi, Mohamed Hanchane, Bouchta El Khazzan, M’hamed El Mouloudi, Anass Khayati, Ridouane Kessabi and Jaafar El Kassioui


Productivity of sweet sorghum in conditions of ecological production

Stanimir Enchev


Evaluation of soil quality index in different types of land use for Theobroma cacao L. development in Kebonagung subdistrict, Pacitan district

Suko Irawan, Slamet Minardi and Supriyadi

Effect of the main soil tillage systems on the productivity and yield structural elements of sunflower (Helianthus annuus L.) – hybrid Deveda

Margarita Nankova and Nina Nenova

Productivity and stability of grasses in the Middle Balkan Mountains region

Natalia Georgieva, Valentin Kosev and Dimitar Mitev

Discrete Element Method (DEM) simulation of three-dimensional forces of full-scale mouldboard plow on paddy soil

Irshad Ali Mari, Sher Ali Shaikh, Farman Ali Chandio, Chaudhry Arslan, Fiaz Ahmad and Changying Ji


Bulgarian varieties of perennial forage grasses developed at the Institute of Forage crops – Pleven

Aneliya Katova


Macronutrient content and export with biomass and lysimetric water from a field experiment with barley (Hordeum vulgare L.) grown as after-effect

Lyuba Nenova, Tsetska Simeonova, Maya Benkova and Irena Atanassova

Comparative biometric characteristics of the organs in the female part of the flower in seedless varieties of vines (Vitis vinifera L.)

Venelin Roychev and Neli Keranova

The study of the utilization of wuluh starfruit (Averrhoa bilimbi L.) in cottage cheese from goat milk prepared with acidification method based on physicochemical properties and organoleptic evaluation

I. Ketut Budaraga, Rera Aga Salihat and Eddwina Aidila Fitria

Preliminary report on stem and root rot, a novel disease of cultivated Mursalitza mountain tea (Sideritis scardica Griseb.), first observed in Bulgaria

T. D. Vatchev and I. T. Yanashkov

Improvement of fatty acid profile in breads supplemented with chestnut, pumpkin, and rosehip flours

Petya Ivanova, Denka Zlateva, Rosen Chochkov and Dana Stefanova

Technological characteristic, aromatic profile and biological potential of wines from the local white wine variety Kokorko

Tatyana Yoncheva, Dimitar Dimitrov, Lambrin Topuzliev and Dimitar Dimov

First report of Fusarium asiaticum and Fusarium incarnatum in Algeria, and evaluation of their pathogenicity on wheat crown rot

Hamza Bouanaka, Ines Bellil, Djamila Benouchenne, Gema Nieto and Douadi Khelifi

Methods to improve degraded grass stands of crested wheatgrass (Agropyron pectiniforme) in northern-eastern steppe zone of Kazakhstan

Altinay Kukusheva, Zibagul Kakezhanova, Uakhitov Zhastlek, Sarbasov Ardager and Beybit Nasiyev

Phenotypic diversity and fruit characterization of eggplant (S. melongena L.) landraces in IPGR, Sadovo genebank

Veselina Masheva, Katya Uzundzhalieva and Mariya Sabeva


Population and geographical distribution analysis of the Rhodope Tsigai sheep

Zhivko Duchev and Tsonka Odjakova


Effect of inclusion insect meals in feed on performance, blood biochemical and immune parameters of layer hens

Mitko Lalev, Nadya Mincheva, Pavlina Hristakieva, Ivelina Ivanova and Magdalena Oblakova

Isolation and molecular characterization of Fusarium solani as a causal agent of Fusarium wilt on cowpea (Vigna unguiculata)

Adnan A. Lahuf, Rajaa G. Abdalmoohsin and Zainab L. Hameed

Screening of Inverdale (FecXI), Hanna (FecXH), Belclare (FecXB), Galway (FecXG) and Boorola (FecB) mutations in Karayaka sheep breed

Koray Kirikci, Levent Mercan and Mehmet Akif Cam

Nanoinsecticide toxicity of the essential oil of Eucalyptus camaldulensis toward date palm white scale insect Parlatoria blanchardii

Naser Aldosary, Ihab Alnajim, Fatima A. Hasan and Muhammad A. Al-Darwish

Study of the relationship between fluorescence type and percentage content of good-quality cocoons of the silkworm Bombyx mori L. breeds and hybrids

Radostina Guncheva

Production performance of laying hens crossed between Choi and Luong Phuong chickens

Tu Trung Kien, Tu Quang Hien, Vu Hoai Son and Tu Quang Trung


Factors influencing climate change adaptation practices and their impacts on food security dimensions in horticultural crops evaluated using PLS-SEM analysis

Saeede Sadat Ebrahimi, Farhad Lashgharara, Seyed Mehdi Mirdamadi and Maryam Omidi Najafabadi


Energy independent temperature sensor with fiber optic interface for application in agriculture

Yanka Ivanova, Svetoslav Ivanov and Rosen Bozhilov

Architectural and construction solutions for the technological spaces of agricultural clusters located in an arcology skyscraper

Yanko Aleksandrov