Селскостопанска академия Институт по аграрна икономика

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From the beginning of 1995 the Agricultural Academy in Bulgaria is publishing Bulgarian Journal of Agricultural Science® (BJAS) - the first agricultural scientific journal in Bulgaria for fundamental and applied researches, published entirely in English language, and one of the few such journals in Central Europe.
Bulgaria is an agricultural country with traditions and long standing experience in the development of agrarian science and production. BJAS, printing in English, in accordance with international standards,provides possibilities for Bulgarian agricultural science to enter adequately into the worlds scientific field, to find its place in reviews, abstracts and electronic means for processing and transfer of scientific information. Besides scientific articles provided in Bulgarian universities and research institutes, BJAS publishes also articles from Eastern Europe and other countries all over the world. The Editorial board of the journal includes prominent scholars from United Kingdom, Belgium, Slovenia, Italy, Poland, Hungary, Russia, Czech Republic and Bulgaria.

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Volume 21 Number 1 February 2015

Agricultural Economics

Does Enlargement Has Caused Intra and Extra European Union Agri-Food Trade?

S. Bojnec and I. Ferto

A Winding Road from Investment Support to the Economic Growth of Farms: Evidence from Spatial Econometric Analysis of Agricultural Holdings in Slovenia

T. Travnikar and L. Juvancic

Application of Data Mining in Agriculture

B. Milovic and V. Radojevic

Ecology, Agrotechnics and Soil Science

Droughts and Climate Change in Bulgaria:
Assessing Maize Crop Risk and Irrigation Requirements in Relation to Soil and Climate Region

Z. Popova, M. Ivanova, L. Pereira, V. Alexandrov, M. Kercheva, K. Doneva and D. Martins

Vertical Distribution of Heavy Metals in Soils under the Application of Industrial Sludge from Paint and Print Industry

I. Atanassova, M. Teoharov and M. Har izanova

The Role of Potassium in Alleviating Boron Toxicity and Combined Effects on Nutrient Contents in Pepper (Capsicum annuum L.)

H. Samet, Y. Cikili and S. Dursun

Effect of Irrigation with Maritza and Ergene Rivers Water on Soil Contamination and Heavy Metal Accumulation in Rice Crop

I. Kocaman, F. Konukcu, A. Istanbulluoglu and S. Albut

The Effect of Water Deficit and Interspecific Competition on Selected Physiological Parameters of Spring Barley and Italian Ryegrass

M. Jastrz ębska, M. K. Kostrzewska, M. Wanic and K. Treder

Flora and Vegetation of the Natural Phenomenon "Karst Spring Zlatna Panega"

D. Dimitrov and V. Vutov

Study the Effect of Methanol Foliage Spraying on Chickpea Cultivars in Rainfed Condition

B. Pasari and M. Sh. Yakhchali

Plant Sciences

Influence of Nutritive Media and Low Temperatures on Broomrape Seed Germination

St. Masirevic, S. Medic-Pap, B. Konstantinovic and A. Terzic

Performance of Bt Cotton Varieties under Khanewal Conditions

M. Luqman, G. M. Shah, A. S. Raza, N. Shahid and M. Hassan

The Change of Some Physicochemical Properties Depending on the Sowing Times in Local Pea Genotypes

R. Karayel and H. Bozoglu

Tomato Reaction on Excessive Manganese Nutrition

T. Kleiber and M. Grajek

Peronospora tabacina A. the Causing Agent of Blue Mold Disease on Tobacco

V. Krsteska, V. Dimeska, S. Stojkov and P. Stojanoski

Study on the Elemental Composition of Clinopodium vulgare L. - Medicinal Plant, Collected from Different Regions of Bulgaria

K. Bardarov, V. Mihaylova and R. Djingova

Vegetative and Yield Potential of Cultivars and Selection of Raspberry Cultivated in Conditions of West Serbia

A. Leposavi ć, D. Durovi ć, Z. Keserovi ć and D. Jevremovi ć

Anatomy, Elemental and Chemical Compositions of Seeds of Some Species of the Walnut Juglans L.

V. N. Sorokopudov, V. N., Thi Chuc Nguyen and S. N. Shlapаkova

Nutrient Levels in a Productive Cycle of Hydroponic Tomato Crop

B. Herrero, M. E. Bláquez and M. D. Cristóbal

Food Science and Technologies

Myrtus communis L. Leaves and Teas as Potential Antioxidants and Protectors against in vitro LDL-Oxidation

H. K. Yildirim, Y. Akcay, S. K. Ucar, M. Coker and E. Sozmen

Prolongation of the Storage and Quality Preservation of Potato Semi-Finished Foods by Specific Technological Treatment

D. Miteva, K. Dimov, I. Nacheva, Y. Todorov, M. Doneva, P. Metodieva and Tsv. Tsvetkov

Influence of Storage Conditions on Changes in Physical Parameters and Chemical Composition of Highbush Blueberry (Vaccinium corymbosum L.) Fruit during Storage

I. Ochmian, K. Kozos and K. Mijowska

Animal Science

Investigation on Production Traits of Broiler Chicken Hybrid Combinations

N. Mincheva, M. Oblakova, M. Lalev and P. Hristakieva

Comparison on the Response of Ewes to the "Ram Effect" in Seven Bulgarian Breeds

K. Nedelkov, N. Todorov, D. Girginov and М. Simeonov

Comparative Evaluation of Two Different Ration Types for Growing Rabbits

D. Ribikauskiene, V. Macijauskiene, A. Jeresiunas, V. Ribikauskas and I. Stuoge

Comparison of Different Dietary Protein Sources for Dairy Cows

E. Yildiz, N. Todorov and K. Nedelkov

Veterinary Medicine

The Role of Antioxidants and Biologically Active Substances on the Motility and Speed Parameters of Buffalo Bull Spermatozoa after Cryopreservation

I. Kirilova, M. Ivanova-Kicheva, D. Daskalova, D. Gradinarska, A. Kukov, P. Dimitrov and E. Hristova

Influence of the Ferrous Methionate and Ferrous Sulphate on Some Productive Indices in Broiler Chickens

Arnaudova-Matey, Z. Shindarska, T. Yankovska, T. Kirilova, D. Dimitrova, V. Dilova, T. Todorov, S. Ivanova and T. Mehmedov

Comparison of the Effects of Intramuscular and Intraosseal Administration of Detomidine/ Ketamine Combination for General Anaesthesia in Quails (Coturnix coturnix japonica)

S. Yayla, N. N. Kamiloglu, A. Kamiloglu, I. Ozaydin And C. S. Ermutlu

Agricultural Technique

Grain Sample Quality Assessment Fusing the Results from Color Image and Spectra Analyses

M. I. Mladenov, M. P. Dejanov and R. Tsenkova

Test Results for Machine and Human Hours Spent Producing Different Grape Varieties

R. Kukutanov, I. Canev, D. Spasova and Z. Davcev