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 3 June 2015

Agricultural Economy

Soil Fertility and Economic Efficiency - It is the Case of Polish Agriculture

W. Wrzaszcz , J. S. Z egar and K. Prandecki


Efficiency and Economic Analysis of Greek Beekeeping Farms

P. Makri, P. Papanagiotou and E. Papanagiotou


Biotechnology

Genetic Diversity in Papaver bracteatum and Papaver somniferum Populations Revealed by ISSR Markers

Z. Mohseni, I. Bernousi, B. A. Mandoulakani and R. Darvishzadeh


Food Science and Technologies

Chemical Composition of Walnut Oil from Fruits on Different Years Old Branches

G. Uzunova, M. Perifanova-Nemska, M. Stojanova and St. Gandev


Antioxidant, Total Phenolic and Antimicrobial Characteristics of Some Spices

O. Turgay and Y. Esen


Ecology, Soil Science and Landshaft

New Chorological Data of the Vascular Flora of Bulgaria

D. Dimitrov and V. Vutov


A Method of Analysis and Valorisation of Historic Green Space Arrangements in Rural Areas in Poland

M. T. Walerzak, D. Swierk, M. Krzyzaniak and P. Urbanski


Changes in the Hepatosomatic Index and Condition Factor in the Populations of Pelophylax ridibundus (Amphibia: Ranidae) from Anthropogenically Polluted Biotopes in Southern Bulgaria. Part II

Zh. M. Zhelev, G. S. Popgeorgiev and N. H. Mehterov


Eco-biological Characteristics of the Flora in the Floodplain Forests of the Maintained Reserve “Dolna Topchiya” (The River Tundzha hilly valley)

K. Koev, S. Georgiev and Al. Tashev


Growth and Physiological Responses of Some Wild Grapevine (Vitis Vinifera L. ssp. Sylvestris) Genotypes to Salinity

H. D. Baneh, A. Hassani, R. Abdollahi and F. Gh. Shayesteh


Application of Principal Component Analysis in the Assessment of Essential and Toxic Metals in Vegetable and Soil from Polluted and Referent Areas

B. Balabanova, T. Stafilov and K. Baceva


Faunistic Inventory of Click Beetles in Srem Region (Vojvodina Province, Serbia)

B. Toscano, P. Strbac, Z. Popovic, M. Kostic, I. Kostic and S. Krnjajic


The Benefit Gis Technologies and Precision Agriculture Principles in Soil Nutrient Management for Agricultural Crop Production

M. Markoski, S. Arsov and T. Mitkova


Agricultural Land Use Suitability Assessment in Malaysia

A. O. Olaniyi, A. J. Ajiboye, A. M. Abdullah, M. F. Ramli and A. M. Sood


Influence of Different Grassland Management on Water Infiltration and Soil Physical Properties

M. Sochorec, J. Jandák , J. Raus, M. Kvasnovský, S. Hejduk and P. Knot


Post-Harvest Longevity of Leaves of the Iberian Cranesbills (Geranium Platypetalum Fisch. et Mey.) after the Application of Gibberellic Acid

B. Janowsk a, M. Rybus -Zając, P. Deręgowska, M. Kujawa, P. Wróblewska and R. Andrzejak


Changes in Fruit Yield, Quality and Nutrient Concentrations in Response to Soil Humic Acid Applications in Processing Tomato

F. O. Asri, E. I. Demirtas and N. Ari


Plant Sciences

Effects of Drought on Grain Productivity and Quality in Winter Bread Wheat

N. Tsenov, D. Atanasova, I. Stoeva and E. Tsenova


Nitrogen Fertilization of Durum Wheat Varieties

G. Panayotova and Sv. Kostadinova


The Effect of Osmocote Fertilisers on Growth and Nutrient Status of Anemanthele Lessoniana (Steud). Veldkamp. and Bouteloua Gracilis (Kunth). Lag. Ex Griffiths

M. Henschke, St. Szczepaniak and E. Wojciechowska


The Effect of Ridge Height and Harvest Date on Edible Potato Tuber Quality

K. Rymuza, Z. Pawlonka, D. Stopa, Kr. Starczewski and A. Bombik


Agrobiological Response of Early Potato Breeding Lines and Varieties in Biological Production

E. Nacheva, S. Masheva and V. Yankova


Evaluation of Autochthonous Ecotype of Bitter Almond as Peach Rootstocks

V. Gjamovski, M. Kiprijanovski and T. Arsov


Enhancing Feathering of One-Year-Old Gala and Jonagold Apple Trees through Application of 6-Benzylaminopurine and Gibberellins

M. Doric, N. Magazin, B. Milic and Z. Keserovic


A Survey on the Effects of Cr3+ Stress on Physiological and Biochemical Characteristics of Lettuce (Lactuca Sativa L.)

H. Mahmoodzadeh and F. Maleki


Fusarium Root and Stem Rot of Greenhouse Cucumber: Aerial Dispersal of Inoculum

T. D. Vatchev


Animal Science

Blood Metabolic Profile and Oxidative Status of Endangered Mediterranean Sheep Breeds during Pregnancy

Z. Antunovic, B. Markovic, J. Novoselec, M. Šperanda, M. Markovic, B. Mioc, M. Đidara, Z. Klir and D. Radonjic


Comparison of Rations for Dairy Cows with Soybean Meal or with Rapeseed Meal in Which the Main Source of Protein is Sunflower Meal

E. Yildiz


The Effect of Wintering Conditions on the Body Weight and Carcass Quality of Farm-Raised Fallow Deer (Dama dama)

P. Janiszewski, T. Daszkiewicz and J. Cilulko


Variability of Hygienic Behavior in Bee Apis mellifera macedonica

C. Xonis, A. Thrasyvoulou and H. F. El Taj


The Influence of Inbreeding Depression on Reproduction Traits -Age at First Calving in Dairy Cows

J. Bezdíček, L. Stádník and F. Louda


Effect of Different Selection Criteria for Litter Size, Growth Performance and Carcass Traits Improvement of the Pigs in Serbia

V. Vidović, D. Lukač, V. Višnjić, A. Stoisavljević and M. Stupar


Heavy Metal Accumulation in Animal Tissues and Internal Organs of Pigs Correlated with Feed Habits

St. Leontopoulos, N. Gougoulias, D. Kantas, L. Roka and Ch. Makridis


Veterinary Medicine

Comparison of Activities of Glutathione Enzymes in Ceacum and Liver of Cattle, Horse, Pig, Rabbit and Sheep

O. Fedets


Agricultural Technique

Determination of Head Losses in Drip Irrigation Laterals with Cylindrical in Line Type Emitters through CFD Analysis

H. K. Celik, D. Karayel, M. E. Lupeanu, A. E. W. Rennie and I. Akinci