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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

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Note to contributors

Volume 26 Number 4 August 2020

AGRICULTURAL MANAGEMENT

Status, potentials, constrains and strategies for development of sericulture farming system in West Bengal state of India (review)

Debjoy Bhattarcharjya, Khasru Alam, Anil Bhuimali and Soumen Saha


The modeling of effective factors on Qaenat saffron yield using GFA and ANFIS

Amir Dadras Moghaddam, Sadrollah Ramezani, Seyed Mehdi Hosseini, Ahmad Vandaki


AGRICULTURAL ECONOMICS

Economic effect evaluation of rearing sheep of the Copper-red Shumen breed

Stanimira Slavova, Genoveva Staykova, Staika Laleva, Yovka Popova, Petya Slavova


Prediction of the number of domestic animals and birds in the conditions of the economic crisis

Andre Nepochatenko, Victor Nepochatenko, Uliana Revitska, Oksana Strigina, Olena Melnichenko and Vitaly Bomko


SUSTAINABLE AGRICULTURE

Аgricultural modules situated in arcology skyscrapers intended for production of certain oil crops, soft fruits and vegetables as well as honey

Yanko Aleksandrov


Effect of Bacillus subtilis 1 strain on the growth and development of wheat (Triticum aestivum L.) under saline condition

Dilfuza P. Jabborova, Abdujalil A. Narimanov, Yuriy I. Enakiev and Kakhramon D. Davranov


ECOLOGICAL FARMING

Boosting biochemical composition of stevia plant using biochar loaded with beneficial microorganism strains

Abdel Wahab M. Mahmoud, Asmaa Badr El-din Sayed El-Attar, Sanaa Esmail Ahmed Esmail and Hoda Sany


Application of Lumbrical and Lumbrex biofertilizers and their influence on the nutritional value and quality indicators in artificial grassland of bird’s-foot-trefoil (Lotus corniculatus L.)

Tatyana Bozhanska


Phosphate solubilizing microbes and coffee skin compost to in­crease Robusta coffee plant growth in Andisol of Mount Sinabung Area

Mariani Sembiring, T. Sabrina and Mukhlis


PLANT SCIENCE

Biological activity of the novel plant growth regulators: N-alkoxycarbonylaminoethyl-N’-arylureas

Antonida V. Kalistratova, Leonid V. Kovalenko, Maxim S. Oshchepkov, Inna N. Solovieva, Anna G. Polivanova, Natalia A. Bystrova and Konstantin A. Kochetkov


The use of photoselective nets affects the leaf characteristics of lettuce cultivars

Renes Rossi Pinheiro, Marcos Vinícius Marques Pinheiro, Leonardo Antonio Thiesen, Maria Inês Diel, Jullie dos Santos, Braulio Otomar Caron and Denise Schmidt


The Influence of Sowing Time and Micro-fertilizers on Soybean Productivity in the Northern Steppe of Ukraine

Tamara Shepilova, Mykola Mostipan, Dmytro Petrenko and KaterynaVasylkovska


Effect of stimulant (ethephon) application and tapping frequency on latex production of rubber tree (Hevea brasiliensis Muell. Arg.)

Raden Budiasih, Mohamad Agus Salim, Ika Apriani, Sofiya Hasani and Muhammad Subandi


Influence of photosynthetic apparatus on the productivity of high-oleic sunflower depending on climatic conditions in the left-bank forest-steppe of Ukraine

Andrii Melnyk, Jones Akuaku, Tetiana Melnyk and Anton Makarchuk


The contribution of green plant parts to grain filling of durum wheat under water deficit

Ali Arous, Ahmed Adda, Moulay Belkhodja, Assia Bouzid and Othmane Merah


PLANT GENETICS AND GENOMICS

Molecular markers and their application in cotton breeding: progress and future perspectives

Plamen Sabev, Nely Valkova and Elena G. Todorovska


Evaluation of advanced mutant lines of winter barley

Boryana Dyulgerova and Nikolay Dyulgerov


PLANT PATHOLOGY AND PROTECTION

Effect of growing legumes as pure and mixed crops on Otiorrhynchus ligustici L. (Coleoptera: Curculionidae) damage

Ivelina Mitkova Nikolova, Natalia Anastasova Georgieva and Viliana Marinova Vasileva


Screening of pepper (Capsicum spp.) accessions for infestation by pests in open field conditions

Vinelina Yankova, Velichka Todorova and Dima Markova


ECOLOGY, AGROCHEMISTRY AND SOIL SCIENCE

Some endangered healing plants in Bulgaria-legislative regulation, protection, characteristic description, application, agricultural cultivation

Iliyana Yaneva, Valentin Balabanski, Tatiyana Karanesheva and Ignat Ignatov


Fractionation analysis of potentially toxic elements in apples for evaluation of their availability to humans

Veronika Mihaylova, Valentina Lyubomirova, Boyan Todorov and Rumyana Djingova


Ordinary least squared linear re­gression model for estimation of zinc in wild edible mushroom (Suillus luteus (L.) Roussel)

Miroslava T. Ivanova, Tzenka I. Radoukova, Lilko K. Dospatliev and Maria N. Lacheva


Content of Fe and Mn in waters and zebra mussel (Dressena polymorpha) from ovcharitsa dam, Stara Zagora region, Bulgaria

Elica Valkova, Vasil Atanasov and Petya Veleva


Perspective agriculture cultivation of the bulb onion with drip irrigation

Elena V. Kalmykova, Nikolay Yu. Petrov, Sergey D. Fomin, Olga V. Kalmykova, Elena S. Vorontsova, Tatyana S. Koshkarova and Svetlana V. Ileneva


Energy efficiency of sweet corn cultivation at drip irrigation in dependence on depth of plowing, fertilization and plants density

Raisa Vozhehova, Viktor Ushkarenko, Serhii Kokovikhin, Iryna Biliaieva, Pavlo Lykhovyd, Nataliia Lavrenko and Ivan Mrynskyi


ANIMAL SCIENCE

Blood biochemical profiles of dairy cows and their calves from Bulgarian Black and White Cattle Breed

Atanaska Teneva, Kalin Hristov and Georgi Stoimenov


Quality of meat in purebred pigs involved in crossbreeding schemes. I. Chemical composition and quality characteristics of m. Longissimus thoracis

Jivko Nakev, Teodora Popova


FOOD SCIENCE AND TECHNOLOGIES

A comparative study of free and immobilized brewing yeast fermentation performance based on kinetic parameters

Luljeta Pinguli, Rozana Troja, Ilirjan Malollari; Vilma Gurazi and Terkida Vaso


Antioxidant activity and sorption characteristics of ready-made mixture with lucuma powder

Adelina Bogoeva, Albena Durakova, Radka Vrancheva and Anton Slavov


AGRICULTURAL ENGINEERING

Innovative harvesting methods about the harvest losses for two machines

Ibrahim J. Hamzah and Salih K. Alwan Alsharifi