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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. Dsc. Eng. Martin Banov
Executive editor: Estel Dimitrova
E-mail: bjas_sb@abv.bg
Web: www.agrojournal.org
Address:
Bulgarian Journal of Agricultural Science
125, Tzarigradsko shosse Blvd., Block 1
1113 Sofia, Bulgaria
Print preparation: Ivo Nikov
Printing: BPS Ltd
Volume 31 Number 5 October 2025
AGRICULTURAL ECONOMICS AND MANAGEMENT
Costs associated with the occurrence of African Swine Fever in the Czech Republic
Richard Pospisil and Pavel Zufan
Investigating the causal structure of financial performance in the livestock sector in Indonesia: A causal-loop diagram approach
Mujtahidah Anggriani Ummul Muzayyanah and Nurul Hasanah Uswati Dewi
AGROCHEMISTRY AND SOIL SCIENCE
Soil solarization and biosolarization for controlling crown and root rot disease complex of greenhouse tomato under hysteretic soil conditions
Tzenko D. Vatchev
Fertilization and uptake of macroelements with maize biomass – A pot experiment with haplic vertisol
Iliyana Gerasimova, Ana Katsarova and Zdravka Petkova
Evaluation of the antibacterial effect of silver nanoparticles synthesized from the liquid cultivation of Trichoderma spp. Isolated from farming soil
Do Tan Khang, Tran Trung Vinh, Tran Thi Cam Lien, Tran Ngoc Quy and Nguyen Pham Anh Thi
Distribution of 137Cs in soils and wild mushrooms from Bulgaria
Radoslava Lazarova and Milena Hristozova
PLANT SCIENCE
Effect of different levels of phosphate and potassium fertilizer on the growth and yield of sorghum (Sorghum bicolor L.)
Ragheb Hadi A. Al-bourky, Haider Abdul-Hussien M. Al-Mugher and Salama tahseen A. Al-Mowawi
Evaluation of pea germplasm for drought resistance
Vus Nadiia, Vasylenko Antonina, Shevchenko Larysa, Shtelma Andriy, Glyantsev Andriy and Besuhla Olha
Influence of organic biostimulant “Atlas Universal” on economic indicators of Oil-bearing Rose (Rosa damascena Mill.)
Veselina Badzhelova, Roksana Mineva and Diyana Dermendzhieva
PLANT GENETICS
Impact of ginger compound (Zingiber officinale Roscoe) as control of brown planthopper (Nilaparvata lugens Stal)
Rahmad S. Siregar, Imam H. Bangun, Aflahun F. Siregar, Salsabila Salsabila, Yuli Widiyastuti, Lita Nasution and Sasmita Siregar
AMMI and GGE biplot analyses of adaptability and yield stability of advantage varieties of common winter wheat
Gergana Nikolova Desheva, Manol Georgiev Deshev, Evgeniya Kostadinova Valchinova and Bozhidar Nikolov Kyosev
Combination of liquid organic fertilizer sap of aren [Arenga pinnata (WURMB) Merr.] with water hyacinth (Eichhornia crassipes) on the growth and results of corn crops
Lukman
Biotechnological approaches for the conservation of old local plum and grapevine genotypes
Lilyana Nacheva, Nataliya Dimitrova, Svetoslav Malchev and Marko Mihaylov
Germination of Lepidium sativum seeds and regulation of beta-galactosidase enzyme production in response to different abiotic factors
Wafaa Z. Alshamaileh, Khalid Y. Alsharafa, Tahani J. Hijazin, Yousef Al Hajaya and Ezz Al-Dein Al-Ramamneh
Effect of presowing electromagnetic treatments on long-term stored cotton seeds
Minka Koleva
In vitro selection of tomato plants resistant to Fusarium oxysporum f. sp. lycopersici and Verticillium dahliae
Zhana Ivanova and Katya Vasileva
Breeding qualities of monogerm dihaploid sugar beet lines
Georgi Kikindonov
Phytochemical screening, anti-herpes simplex virus, and antibacterial activities of various fractions obtained from Graptopetalum paraguayense E. Walter extract
Nadezhda Markova, Maya Margaritova Zaharieva, Petia Genova-Kalоu, Stefka Krumova, Ivayla Dincheva, Ilian Badjakov, Lyudmila Dimitrova, Venelin Enchev and Hristo Najdenski
ANIMAL SCIENCE
Optimization of feed production and feeding of dairy cows in the Forest Zone of Ukraine
Nataliia Fedak, Hryhorii Sedilo, Serhii Chumachenko, Ihor Dushara, Oksana Mamchur, Mykhailo Polulikh and Nataliia Kravchenko
Physiological status of cow breeds Blonde d’Aquitaine, Chianina, and Marchigiana, which undergo a transition from summer to winter feeding
Vasil Nikolov, Radka Malinova and Svetoslav Karamfilov
ANIMAL GENETICS
Growth characteristics of pullets from two-way crossbreeding between Choi and Luong Phuong chickens
Tư Trung Kien, Tu Quang Hien and Tu Quang Trung
Effect of different sources of specific variance on the weight development of sheep from The North East Bulgarian merino breed
Genoveva Staykova, Margarit Iliev and Todor Tsonev
VETERINARY MEDICINE
Diagnostic pathology of leucocytozoonosis in Banda Aceh, Indonesia
Dwinna Aliza, Muhammad Hanafiah, Nuzul Asmilia, Nazaruddin, Winaruddin, Zainuddin, Denny Irmawati Hassan and Putika Sari Ayu
Biochemical blood parameters in Balkan donkeys (Equus asinus) in Bulgaria
Аnton Rusenov and Nikolina Rusenova
FISHERIES AND AQUACULTURE
Impact of plant protein and oil sources on hydrochemical and growth indicators of African catfish (Clarias Gariepinus) reared in aquarium
Mustafa Ali, Stefka Stoyanova and Ivaylo Sirakov