Селскостопанска академия Институт по аграрна икономика

BJAS Cover

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.

Printing - BPS Ltd

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


Agro-Environmental Measures and Rural Landscape Value: Evidence from Real Estate Market

G. Sali, S. Corsi and Ch. Mazzocchi


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

M. Sh. Yakhchali, B. Pasari and A. Rokhzadi

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


Evaluation of Genotype X Environment Interaction for Grain Yield in Durum Wheat Using Non-Parametric Stability Statistics

Y. Kaya and M. Turkoz


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


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