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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

Address:
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 30 Number 3 June 2024

AGRICULTURAL ECONOMICS AND MANAGEMENT

Does social media marketing increase the sales of organic food?

Ahmad Durbul, Peter Osiako, Firas Alarawi and Ayman Alshaabani


The impact of direct subsidies on the development of the lemon growing sector in Azerbaijan

Anar Hatamov


AGROCHEMISTY AND SOIL SCIENCE

Assessing the available silica of paddy soil on different landforms

Budy Frasetya Taufik Qurrohman, Abraham Suriadikusumah, Benny Joy and Rija Sudirja


Fungal suspension in combination with compost leads to changes in soil microbiota for fertility improvement

Lyudmila Kabaivanova, Lilyana Nacheva and Nikolai Dinev


Assessment of physical and chemical characteristics of water repellent soil profiles of Technosols from Maritsa-Iztok open-cast coal mine in Bulgaria

Plamen Ivanov, Irena Atanassova, Martin Banov and Ivaylo Kirilov


Effect of silicon foliar fertilization on limiting the growth of stem and root necrosis in pepper (Capsicum annum L.)

Nataliya Karadzhova


PLANT SCIENCE

Faba bean and cereal crop diversification and aphid (Aphis fabae Scop.) management in the Meknes region, Morocco

Abdellatif Boutagayout, Saadia Belmalha, Atman Adiba, Kamal El Oihabi, Rachid Elbaghazaoui, Wijdane Rhioui, Laila Nassiri and El Houssine Bouiamrine


Vitality and longevity of perennial ryegrass (Lolium perenne L.) accessions in North Central Bulgaria

Aneliya Katova


PLANT GENETICS

Effects of the growing systems on growth and yield of high-bush blueberries (V. corymbosum L.)

Sabri Braha and Endrit Kullaj


Morphological, Agronomic Characteristics, and Flavonoid Content of Echinacea purpurea at Various Gamma Ray Doses

Wafa’ Nur Hanifah, Ahmad Yunus, Nandariyah and Yuli Widiyastuti


Diversity of common beans (Phaseolus vulgaris L.) accessions with Bulgarian and Chinese origin

Tsvetelina Stoilova, Petar Chavdarov, Nikolaya Velcheva and Lixia Wang


Genotype-by-year interaction and simultaneous selection for grain yield and stability in winter barley

Boryana Dyulgerova and Nikolay Dyulgerov


Nitrogen doses, efficiency, and use in low-altitude hybrid corn cultivars

Rovani Marcos Rossato, Diego Nicolau Follmann, Cristian Mateus Freiberg, Eduardo Brezolim, Mateus Vendrame and Guilherme Bergeijer da Rosa


Formation of the corn root system depending on the norms of mineral fertilizers and biostimulants

Kobilov Nurbek and Umurzakov Elmurod


Study for bioinsecticidal activity of tobacco extracts against Helicoverpa armigera Hübner (Lepidoptera: Noctuidae)

Zheko Radev and Liliya Stoyanova


Specialized trait collections for the different selection directions in cotton. I. Specialized trait collections for improvement of economically valuable traits

Neli Valkova, Valentina Dimitrova, Minka Koleva and Spasimira Nedyalkova


Productive capacities and adaptability of meadow legume crops under mountain conditions

Katerina Churkova and Boryana Churkova


ANIMAL SCIENCE

Nutritional value of introduced bamboo used in feeding beef cows raised in the Central Balkan Mountains

Nikolay Markov, Tatyana Bozhanska and Ivan Jantcev


ANIMAL GENETICS

Effect of birth type on meat quality in Ile-de-France lambs

Evgeniya Achkakanova, Ivan G. Penchev and S. Georgieva


PCR-RFLP analysis of PGAM2 gene in two rabbit breeds

Denis Viryanski, Milena Bozhilova-Sakova, Maya Ignatova, Ivona Dimitrova and Mostafa Helal


FISHERIES AND AQUACULTURE

The effect of three different feeding schemes on production parameters of European catfish (Silurus glanis L.) larvae reared in flow-through production system

V. Krasteva


FOOD SCIENCE AND TECHNOLOGIES

Utilization of mandacaru extract, polyvinyl acetate-based glue, and cassava gum as cementing agents for pelletizing creole maize seeds with rock dust

Luan Danilo Ferreira de Andrade Melo, João Luciano de Andrade Melo Junior, Larice Bruna Ferreira Soares, Reinaldo de Alencar Paes, Jaqueline Figueredo de Oliveira Costa, Natália Marinho Silva Crisóstomo and Adriana Guimarães Duarte


AGRICULTURAL TECHNOLOGIES

Pulling device for harvesting of Oleaginous Flax

Volodymyr Didukh, Svitlana Yaheliuk, Volodymyr Bodak, Maksym Bodak and Olexandr Yaheliuk


Methods of cleaning and disinfection of drinking water in livestock farms

Мiglena Paneva and Peter Panev


SUSTAINABLE AGRICULTURE

Climate change impact on small and medium enterprises in Senegal’s semi-arid zones: a review

Alieu Gibba, Baba Libasse Sow, Kora Hamzath and Pauline Attemene