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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: 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: Ivo Nikov
Printing:BPS Ltd
Volume 27 Number 2 April 2021
AGRICULTURAL MANAGEMENT
Synergy between the biological factor and the institutional environment in agriculture
Plamena Yovchevska
Integration GIS and multicriteria analysis critical land farming in Welang watershed
Maroeto, Rossyda Priyadarshini and Wahyu Santoso
Competition power of Turkey’s tomato export and comparison with Balkan countries
Adem Aksoy and Haluk Caglar Kaymak
Sustainability status of paddy cultivation on marginal peat soils in Indonesia
Muhammad Faiz Barchia, Andi Ishak, Satria Putra Utama and Ridha Rizki Novanda
AGRICULTURAL ECONOMICS
Challenges in the development of the wine industry: an exploratory study
Sanja Jelić Milković, Krunoslav Zmaić and Tihana Sudarić
A meta-analysis and model calculations of economic indicators in suckler cow herds
Jindrich Kvapilik, Ludek Barton and Jan Syrucek
SUSTAINABLE AGRICULTURE
Convergent analysis of waste water practices among EU countries
Bozhidar Ivanov and Hrabrin Bachev
Physiological and agronomic assessment of tolerance to drought of perspective breeding lines common winter wheat
Radoslav Chipilski and Zlatina Uhr
ECOLOGICAL FARMING
Effect of mycorrhization treatment on the yield and quality of highbush blueberries in conditions of replantation
Zofia Zydlik, Piotr Zydlik, Dariusz Kayzer and Robert Wieczorek –
PLANT SCIENCE
Adaptability and breeding value of soybean varieties of Poltava breeding
Liudmyla Biliavska, Yurii Biliavskiy, Olexandr Mazur and Olena Mazur
In vitro propagation of Vaccinium corymbosum L.
Maria Georgieva and Violeta Kondakova
Effect of seed treatment by selenium and silicon on the absorption of heavy metals by barley plants under soil drought
Yuriy Ivanovich Enakiev, Anastasia Andreevna Lapushkina, Vsevolod Mikhailovich Lapushkin and Igor Vasilievich Vernichenko
PLANT GENETICS AND GENOMICS
Using the GY* trait interaction in ecological field trials to evaluate grain yield of wheat varieties
Todor Gubatov, Nikolay Tsenov and Ivan Yanchev
Variability of meiotic recombination and cytological parameters in F1 tomato hybrids under extreme environmental conditions
Aleksey Samovol, Sergey Kondratenko and Еlena Mogilnaya
PLANT PATHOLOGY AND PROTECTION
Evaluation of pepper (Capsicum annuum L.) accessions for infestation by pests
Vinelina Yankova, Velichka Todorova and Dima Markova
Effects of some herbicides on the leaf apparatus of young vine (Vitis vinifera L.)
Neli Prodanova-Marinova, Yordanka Belberova and Emil Tsvetanov
Reaction of the new grain sorghum variety Maxibel to soil herbicides
Stanimir Enchev and Rumen Bazitov
AGROCHEMISTRY, SOIL SCIENCE AND ECOLOGY
Approach to reporting heavy metal, metalloid and toxic element contamination in land evaluation of reclaimed soils
Martin Banov
ANIMAL GENETICS AND GENOMICS
Influence of mc4r mutations in traits of tested Danube white purebred pigs
Katya Eneva, Apostol Apostolov, Radka Nedeva, Atanas G. Atanasov, Bogdan Szostak and Radostina Stoikova
FISHERIES AND AQUACULTURE
Intracohort cannibalism in European catfish (Silurus glanis L.) larvae under controlled rearing conditions at different stocking densities
Vasilka Krasteva and Maria Yankova
FOOD SCIENCE AND TECHNOLOGIES
Comparative study on the quality characteristics of yoghurt produced by caw milks with different somatic cells count
Ertugrul Bilgucu, Galin Y. Ivanov, Tatyana B. Balabanova and Ivelina V. Ivanova
Phytochemical constituents of pressurized liquid extract from Ziziphus jujubа Mill. (Rhamnaceae) fruits and in vitro inhibitory activity on α-glucosidase, pancreatic α-amylase and lipase
Dora Trifonova, Ivanka Stoilova, Andrey Marchev, Petko Denev, Galena Angelova, Anna Lante and Albert Krastanov
Investigation of the flux, selectivity and concentration factor during ultrafiltration of goat’s milk
Siyka Kodinova and Mariya Dushkova
AGRICULTURAL ENGINEERING
Parameters of the herbicide spraying system for oil-bearing rose production
Snezhan Bozhkov
AGRICULTURAL EXTENSION
An analysis of the capacity building needs of rice farmers in Kwara State, Nigeria
Kemi F. Omotesho, Adeniyi F. Akinrinde, Ajoke O. Kayode and Deborah A. Olabode