Supplements
Supplement
AGRICULTURAL MANAGEMENT
Approach to change management to achieve a stronger level of competitiveness of wine companies in Bulgaria
Petar Borisov and Ivanka Popova
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
Profiling the strategic marketing activities of the organisations of producers of organic products in Bulgaria
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
AGRICULTURAL ECONOMICS
Evaluation of the development of fruit growing in Bulgaria (I part)
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
Evaluation of the development of fruit growing in Bulgaria (II part)
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
Competitiveness between figures and metaphors; are farmers’ apple producers enough competitive?
Myslym Osmani, Rezear Kolaj, Petar Borisov and Ekaterina Arabska
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
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 and Rina Turcan
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
SUSTAINABLE AGRICULTURE
Competence in environmental ethics in the risk management in agroecosystems
Zlatka Vakleva and Tonya Georgieva
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
Innovations in the professional education of teachers and trainers in the field of sustainable development
Tonya Georgieva, Yvonne Grau, Malgorzata Berova, Rumyana Georgieva and Yordan Yordanov
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
ECOLOGICAL FARMING
Impact of biofertilizers on the rhizosphere microflora in pepper cultivated as organic farming system
Veselka Vlahova and Vladislav Popov
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
Ultrasound seed treatment for organic farming
Emilia Mihaylova, Marina Marcheva and Nikolai Peruhov
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
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 and Bekzat Amantaev
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
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 and Nurbolat Mukhanov
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
Possibilities for application of in vitro techniques in propagation of species of the genus Tilia sp.
Valeria Ivanova, Lilyana Nacheva and Valentin Panchev
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
Yield and quality stability of common winter wheat varieties
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
Screening of temperature tolerance and adaptive potential of Sorghum vulgare var. technicum [Körn] genotypes
Slaveya Petrova, Bogdan Nikolov, Plamen Marinov-Serafimov, Irena Golubinova and Ekaterina Valcheva
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
Influence of pruning on growth and productivity of glasshouse eggplant in biological fertilization
Stoyan Filipov, Kostadin Kostadinov and Violeta Valcheva
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
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 and Antoniya Stoyanova
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
PLANT PATHOLOGY AND PROTECTION
Influence of herbicides and application timing on broadleaf weeds control in maize (Zea mays L.)
Mariyan Yanev, Anyo Mitkov, Nesho Neshev
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
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 and Nurettin Tahsin
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
Efficacy of certain herbicides on weeds in maize
Shtelyana Kalinova and Sonya Goranovska
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
Study on biostimulant application at oilseed rape damaged by simulated herbicide drift
Nesho Neshev, Dobrinka Balabanova, Mariyan Yanev, Anyo Mitkov, Tonyo Tonev and Andon Vasilev
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
AGROCHEMISTRY 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 and Alexander Trayanov
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021
Influence of fertilization regime on yield and quality of carrot (Daucus carota L.) seeds
Nikolay Panayotov, Velika Kuneva and Alexander Trayanov
Received: May, 19, 2021; Accepted: June, 25, 2021; Published: September, 2021