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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: Avangard Ltd.

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Volume 26 Number 3 June 2020

AGRICULTURAL MANAGEMENT

Policy design of cayenne pepper supply chain development

Ria Indriani, Rahim Darma, Yunus Musa, N. Tenriawaru and Muhammad Arsyad


ECOLOGICAL FARMING

Weed species diversity and community composition in organic potato field

Iliana Gerasimova and Totka Mitova


Multiannual growing of remontant strawberries (opportunities for biological production)

Zdravka Petkova and Kostadinka Nedyalkova


Response of spring vetch (Vicia sativa L.) to organic production conditions

Natalia Georgieva, Ivelina Nikolova and Grozi Delchev


PLANT SCIENCE

A comparative study on raspberry cultivars in micropropagation

Maria Georgieva, Violeta Kondakova and Svetla Yancheva


Analysis of soybean growth in regard to different row-spacing

Ana Ulafić, Ivana Varga, Miro Stošić, Dario Iljkić and Manda Antunović


Microsprinkling effect on the microclimate in vine nursery

Emil Tsvetanov, Kouman Koumanov, Alexander Matev and Neli Prodanova-Marinova


Time of transplanting and crop management affects the postharvest quality of melon fruits

Clara Alana Rocha Santos Góis, Rui Sales Junior, José Dárcio Abrantes Sarmento, Patrícia Lígia Dantas de Morais, Marlenildo Ferreira Melo*, Francisco Ismael de Souza and Francisco Irael de Souza


Production of plant growth regulatory metabolites of Rhizopus arrhizus KB-2

Yana Evstatieva, Aleksandra Ilieva, Violeta Valcheva and Dilyana Nikolova


Effects of temperature treatment on seed germination, root development and seedling growth of Citrullus lanatus (watermelon)

Mohammad Moneruzzaman Khandaker Rabiaatulaadawiyah Fazil, Md Amirul Alam Mohammed Saifuddin and Abd Jamil Zakaria


Correlation and regression relationships between quantitative and qualitative indicators of perennial grass and legume mixtures

Tatyana Bozhanska and Boryana Churkova


PLANT PATHOLOGY AND PROTECTION

Green synthesized silver nanoparticles for an effective control on soft rot disease pathogen Pectobacterium carotovorum and growth stimulation in pepper

Melisa Ayisigi, Alp Cokislerel, Yigit Kucukcobanoglu, Tansel Yalcin and Lale Yildiz Aktas


Incidence of green peach aphid, Myzus persicae on Brassica crop and its chemical control in the field

Rashid Ahmed Khan and Muhammed Naveed


Occurrence of Ilarviruses in sweet and sour cherry in Bulgaria

Ivanka Kamenova, Aneliya Borisova and Aleksander Popov


ECOLOGY, AGROCHEMISTRY AND SOIL SCIENCE

The causes and effects of water conflict: evidence from Damavand

Bahareh Gholizadeh and Mehrdad Niknami


Mineralogical properties of soils developed from colluvial deposits of Southern Nigeria

John Kingsley, Ackley Ufot Akpan-Idiok, Ayito Esther Okon and Vit Penizek


The effect of traditional gold mining to land degradation, mercury contamination and decreasing of agricultural productivity

Muhammad Basir-Cyio, M. Isrun-Baso, Koyomi Nakazawa, T. Mahfudz-Muchtar, Mery Napitupulu, Alam Anshary, Rustam Abd Rauf and Syamsuddin Laude


The classification, characteristics, and assessment of soil profile fertility on Coffea arabica productivity in North Sumatra

Posma Marbun, Zulkifli Nasution, Hamidah Hanum and Abubakar Karim


Changes in some soil parameters of Regosols under the influence of land use

Ivaylo Kirilov, Vanya Lozanova, Ivan Dimitrov and Veselin Pankov


Foliar application of 5-aminolevulinic acid for offsetting unfavorable effects of shallow water table on growth and yield in snap bean (Phaseolus vulgaris)

Haris Kriswantoro, Benyamin Lakitan, Aldes Lesbani and Andi Wijaya


ANIMAL SCIENCE

Effect of Schizochytrium limacinum marine alga supplementation on fatty acid profile of goat cheese

Akos Bodnar, Istvan Egerszegi, Eszter Klecska, Peter Poti and Ferenc Pajor


Effect of the sex separate and straight-run type of rearing on the performance, carcass and meat chemical composition in fast growing broilers

Evgeni Petkov, Maya Ignatova and Teodora Popova


Clustering the tumbler pigeons group on their morphological characteristics reveals a eumetrical and a hypermetrical clade

Pere-M. Parés-Casanova and Ashraful Kabir


VETERINARY SCIENCE

Antibiotic residues and human health hazard – review

Ralica Kyuchukova


Color Doppler anatomical assessment of the vessels in the rabbit liver

Kamelia Stamatova-Yovcheva, Rosen Dimitrov, Radoslav Mihaylov and Omer Gurkan Dilek


FISHERIES AND AQUACULTURE

Use of Lemna minuta Kunth. for composition of sustainable diets and influence on hydrochemical, technological and blood biochemical parameters in common carp (Cyprinus carpio L.) cultivated in aquaponics

Katya Velichkova, Ivaylo Sirakov and Petya Veleva


Functional groups of algae in small shallow fishponds

Kostadin Dochin, Velika Kuneva and Ludmila Nikolova


FOOD SCIENCE AND TECHNOLOGIES

The application of ultrasound for the regulation of the starch gel viscosity

Irina Kalinina, Alena Ruskina, Rinat Fatkullin, Natalya Naumenko, Irina Potoroko, Shirish Sonawane and Shabana Shaik


Comparative chemical composition of dill fruits of different origins

Milen Dimov, Zhana Petkova, Magdalena Stoyanova, Krasimira Dobreva and Albena Stoyanova


On the effectiveness of using topinambur powder in the recipe of grain bread

Natalya Naumova, Ksenia Shtevyeva, Olga Burmistrova and Evgeny Burmistrov