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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 0310-0351 - print
ISSN 2534-983X - online
Publisher: Agricultural Academy of Bulgaria
Editor-in-Chief: Prof. Maya Ignatova
Executive editor: Snezhana Besarabova
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: Photonika - Ivo Nikov
Printing: Avangard Ltd.
Printing - BPS Ltd
Volume 25 Number 4 August 2019
SUSTAINABLE AGRICULTURE
Assessment of sustainability of agro-ecosystems in Bulgaria
Hrabrin Bachev, Bodjidar Ivanov, Dessislava Toteva
Variability of traits and their correlation in different rice genotypes in dynamically changing climate conditions
Ruslan R. Dzhamirze, Nadezhda V. Ostapenko, Tatyana N. Lotochnikova, Natalya N. Chinchenko
Evaluation of oriental tobacco of the variety group of Basmi upon organic production
Hristo Bozukov, Maria Kasheva, Yovcho Kochev, Daniela Vitanova
Action of activated waters on plants after adverse chemical effects, imitating acid rain
Teodora P. Popova, Toshka E. Petrova, Metodi Petrichev, Miglena Valyova
A case study of woody leaf litter vermicompost as a promising calcium fertilizer
Ksenia Petrochenko, Alexander Kurovsky, Anna Godymchuk, Andrey Babenko, Yury Yakimov, Alexander Gusev
AGRICULTURAL MANAGEMENT
Traditional Bulgarian foods in the Horeca sector as a factor of choice for the tourist destination
Stanko Stankov, Hafize Fidan, Georgi Toskov, Eva Dimitrova, Kremena Nikovska
Professionalism in extensive sheep farming system in Central Greece
Maria D. Yiakoulaki, Nikolaos D. Hasanagas
Problems and prospects of food security in Ukraine
Natalia Vasylieva
Theoretical extension education modeling of citrus culture development in Iran citrus pole
Mohammad A. Ashkar-Ahangarkolaee, Malek Mohammadi, Seyed M. Hosseini
AGRICULTURAL ECONOMICS
Challenges of the red meat supply chain in Slovenia: the case of pig breeders
Aleš Kuhar, Hristo Hristov
A research on the characteristics and activities of producers in organic markets: a case study of Izmit and Sişli district
Mesude Ünal, Bahar Aydin Can
A determinant of marketing system choice by rubber smallholders in Indonesia
Mirza Antoni, Hiromi Tokuda
Sustainable city development
New solution – attractive lighting with fluorescent algae in aquariums, situated in multi-storey transparent elevators and in floor gardens inside skyscraperers
Yanko Aleksandrov
ECOLOGICAL FARMING
Investigation of the opportunities for introduction of the wild turkey (Meleagris gallopavo) in the territory of Bulgaria
Radoslav Mihaylov, Rosen Dimitrov, Kamelia Stamatova-Yovcheva, Fejzullah Fejzulla
Screening of arbuscular mycorrhiza isolated from rhizosphere of elephant grass from seven soil types for biofertilizer in zeolite pot culture
Vita Ratri Cahyani, Muhammad Ridho Alfin, Nabilah Hanifah
PLANT SCIENCE
Basic chemical components, smoking and taste qualities of tobacco varieties grown in different regions of Bulgaria
Maria Kasheva, Margarita Docheva, Yovcho Kochev
The optimization mesophyll protoplast isolation for Phalaenopsis amboinensis
Machmudi Machmudi, Hery Purnobasuki, Edy Setiti Wida Utami
PLANT PROTECTION
Tomato lines from interspecific hybridization – donors of resistance to leaf bacterial infections
Daniela Ganeva, Nevena Bogatzevska
PLANT GENETICS
Hybridization technique of black orchid (Coelogyne pandurata Lindley) to enrich the genetic diversity and to rescue the genetic extinction
Sri Hartati, Nandariyah, Ahmad Yunus, Djati Waluyo Djoar
ANIMAL SCIENCE
Study on the body conformation of breeding female cattle of the Rhodope Shorthorn Cattle breed
Radka Malinova, Vasil Nikolov
The economic potential of honeycomb from wild bees
Mochammad Junus
Applying iodine-containing preparations as growth promoters in Russia’s poultry farming
Eleonora Evgenievna Ostrikova, Natalia Andreevna Ostapenko, Alexander Sergeevich Chernyshkov, Natalia Vladimirovna Lenkova
ANIMAL GENETICS
Determining genotypes of 3-breed pig hybrids by marker genes and their interrelation with meat productivity
Alexandr Maximov, Vyacheslav Vasilenko, Gennadiy Maximov, Ivan Svinarev
AGROCHEMISTRY AND SOIL SCIENCE
Bulgarian soil classification issues of correlation and harmonization with the international soil classification systems
Toma Shishkov
FOOD SCIENCE AND TECHNOLOGIES
The effect of regional source of solid coconut sugar and additional concentration of activated carbon on the quality of pandanus-scented coconut sugar syrup
Arie Febrianto Mulyadi, Susinggih Wijana, Dwi Elsa Yunita
AGRICULTURAL ENGINEERING
Evaluation of suitability for mechanized harvesting of sesame genotypes, introduced in Portugal
Rui Nobre, Stanislav Stamatov, Manol Deshev, Stoyan Ishpekov