Vol. 27 No. Supplement 1 (2021): Bulgarian Journal of Agricultural Science

View Vol. 27 No. Supplement 1 (2021): Bulgarian Journal of Agricultural Science

Published: 13.09.2021

Agricultural Economics and Management

Approach to change management to achieve a stronger level of competitiveness of wine companies in Bulgaria

Petar Borisov, Ivanka Popova (Author)

3-9
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Profiling the strategic marketing activities of the organisations of producers of organic products in Bulgaria

Ivanka Popova (Author)

10-15
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Evaluation of the development of fruit growing in Bulgaria (I part)

Vanya Manolova (Author)

16-22
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Evaluation of the development of fruit growing in Bulgaria (II part)

Vanya Manolova (Author)

23-30
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Competitiveness between figures and metaphors; are farmers apple producers enough competitive

Myslym Osmani, Rezear Kolaj, Petar Borisov, Ekaterina Arabska (Author)

31-43
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Financial stability analysis in the wine sector at the companies from republic of Moldova based on the integral indicator procedure usage

Neli Muntean, Iulian Muntean, Atanas Sevov, Rina Turcan (Author)

44-54
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Agroecology

Impact of biofertilizers on the rhizosphere microflora in pepper cultivated as organic farming system

Veselka Vlahova, Vladislav Popov (Author)

71-77
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Ultrasound seed treatment for organic farming

Emilia Mihaylova, Marina Marcheva, Nikolai Peruhov (Author)

78-84
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Agrochemisty and Soil Science

Mathematical approach to evaluation of the influence of different fertilization regimes on the main vegetative and generative development of carrot seed plants (Daucus carota L.)

Velika Kuneva, Nikolay Panayotov, Alexander Trayanov (Author)

161-165
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Influence of fertilization regime on yield and quality of carrot (Daucus carota L.) seeds

Nikolay Panayotov, Velika Kuneva, Alexander Trayanov (Author)

166-172
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Plant Science

Photosynthetic potential and productivity of annual mixed crops in Northern Kazakhstan

Aliya Baitelenova, Almas Kurbanbayev, Gani Stybayev, Hristina Yancheva, Nurlan Serekpayev, Nurbolat Mukhanov, Bekzat Amantaev (Author)

85-94
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Succession dynamics, quality, and production in improved and natural pastures in Northern Kazakhstan

Gani Stybayev, Nurlan Serekpayev, Hristina Yancheva, Aliya Baitelenova, Adilbek Nogayev, Oktyabr Khurmetbek, Nurbolat Mukhanov (Author)

95-102
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Possibilities for application of in vitro techniques in propagation of species of the genus Tilia sp.

Valeria Ivanova, Lilyana Nacheva, Valentin Panchev (Author)

103-110
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Yield and quality stability of common winter wheat varieties

Marina Marcheva (Author)

111-118
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Screening of temperature tolerance and adaptive potential of Sorghum vulgare var. technicum Körn genotypes

Slaveya Petrova, Bogdan Nikolov, Plamen Marinov-Serafimov, Irena Golubinova, Ekaterina Valcheva (Author)

119-124
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Influence of pruning on growth and productivity of glasshouse eggplant in biological fertilization

Stoyan Filipov, Kostadin Kostadinov, Violeta Valcheva (Author)

125-129
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Evaluation of the effect of Reni preparations application on some essential amino acids in alfalfa (Medicago sativa L.) biomass by correlation and factor analysis

Atanas Sevov, Velika Kuneva, Antoniya Stoyanova (Author)

130-133
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Plant Protection

Influence of herbicides and application timing on broadleaf weeds control in maize (Zea mays L.)

Mariyan Yanev, Anyo Mitkov, Nesho Neshev (Author)

134-142
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Endophytic colonization of Solanaceае family plants by fungal entomopathogen Beauveria bassiana strain 339 to control Colorado potato beetle (Leptinotarsa decemlineata Say)

Mariana Petkova, Velichka Spasova-Apostolova, Veselina Masheva, Daniela Atanasova, Nurettin Tahsin (Author)

143-149
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Efficacy of certain herbicides on weeds in maize

Shtelyana Kalinova, Sonya Goranovska (Author)

150-154
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Study on biostimulant application at oilseed rape damaged by simulated herbicide drift

Nesho Neshev, Dobrinka Balabanova, Mariyan Yanev, Anyo Mitkov, Tonyo Tonev, Andon Vasilev (Author)

155-160
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Sustainable Agriculture

Competence in environmental ethics in the risk management in agroecosystems

Zlatka Vakleva, Tonya Georgieva (Author)

55-60
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Innovations in the professional education of teachers and trainers in the field of sustainable agriculture development

Tonya Georgieva, Yvonne Grau, Malgorzata Berova, Rumyana Georgieva, Yordan Yordanov (Author)

61-70
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