Anna Aladjadjiyan

• Professor, PhD, DSc
• Agricultural University Plovdiv

The paper reviews the influence of the preferential feeding tariffs for electricity from biomass on the realization of the goals to achieve the European Green Deal for Sustainable Energy.

The role of physics in biological sciences has not been neglected but recently it grew due to the rising problems with food quality and its control. A short review of the substitute of chemical fertilizers and plant protection products with treatment with physical factor, as a means of providing clean raw materials, is presented. The use of electr...

FINAL BOOK TITLE & ISBN: "Agricultural Waste and Residues," 978-1-78923-573-9

Agriculture despite its multifunctionality and importance to society is one of the sectors that have serious negative impact on the environment. Agriculture is a main contributor to soil degradation in Bulgaria and therefore re-cultivation of land is a very important task. The possibilities for using composted either municipal waste or residues fro...

TONCHEVA, G., K. NIKOLOVA, D. BOYADZHIEV, I. ALEXIEVA, D. GEORGIEVA, G. ANTOVA, A. ALAD-JADJIYAN and D. BUHALOVA, 2016. Differentiation of Bulgarian wild fruits according to their mineral content. Bulg. J. Agric. Sci., 22: 857–861 The content of 12 essential and toxic elements (V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Mo, Pb) in Bulgarian forest frui...

Traditional Bulgarian dairy food is described in the chapter. One of the most famous products is Bulgarian yogurt, produced with Lactobacillus bulgaricus. The chapter also describes other well-known Bulgarian traditional dairy products like katyk or krotmach (krutmach, kurtmach), a specific national dairy product with a salty-sour taste, typically...

Agriculture is the main source of soil degradation processes in Bulgaria. Therefore, soil improvement is an important task. The possibilities for using composted either municipal waste or residues from biogas production for soil improvement in Bulgaria, suggested by the development of INEMAD (Improvement of Nutrient and Energy Management through An...

Mathematics Keywords foliage biomass, broadleaf deciduous forests, Rhodope Mountains, SLA, LAI, MODIS, CORINE, DEM ABSTRACT Production of leaf biomass by broadleaf deciduous forests in the Rhodope Mountains, Southeast Euro-peis studied. Leaf biomass is estimated based on LAI/FPAR data product of spectroradiometer MODIS on board of the satellites Te...

Sunflower oil produced by Pearl Ltd Veliko Tarnovo, with addition of Bulgarian herbs (oregano, thyme and pine cones) has been studied. The starting sunflower oil is a linoleic type containing predominantly linoleic acid (C18: 2 = 521 g.kg-1), followed by oleic (C18: 1 = 344 g.kg-1) and palmitic (C16: 0 = 115 g.kg-1) acid. Upon the examination of fa...

The present work aims in exploring the possibilities of fluorescent spectroscopy for quality control of honey, particularly to distinguish types of honey and to distinguish the natural honey from that with artificial additives - sweeteners. 24 samples of the most often encountered sorts of honey in Bulgaria distributed in 7 groups have been studied...

This paper aims to review the perspectives and barriers before production of biogas from animal manure in Bulgaria. The share of methane emissions from the agricultural sector in Bulgaria occupies 18 % and stored animal manure is its biggest source. The use of animal manure for production of biogas could reduce these emissions. Biogas market in Bul...

Aims: Agriculture is the main source of soil degradation processes in Bulgaria. Therefore the re-cultivation of soil is an important task. The possibilities for using composted municipal waste for soil re-cultivation in Bulgaria are discussed on the case of plant processing municipal solid waste in Plovdiv. Presentation of Case: The plant for proce...

Processing residues from agriculture for energy production or exploitation of useful materials allows reconnection of crop production and animal husbandry. It becomes also a prerequisite for achieving sustainable agriculture. One of the most common technologies is the anaerobic digestion of plant and animal residues and wastes (manure, straw). As a...

A difference in color parameters and the content of the pigments chlorophyll and beta carotene for oils from seeds of different sorts of melon and pumpkin has been proved by applying mathematic statistical analysis. The significance of the different indicators for modeling groups of oils has been estimated. Data on different sorts of melon and pump...

Difference in colour parameters and content of the pigments chlorophyll and beta-carotene for different sorts of melon and pumpkin seed oils was proved by applying mathematic statistical analysis. The significance of the different indicators for modeling the oil groups was estimated. Data on different sorts of melon and pumpkin fruit oils were proc...

The main goal of the present study was to investigate the changes in viability potential and selected thermodynamic parameters of peppers seeds in aging during storage as well as the relationship between them. The water content and storage temperature of seeds were used for determining differential thermodynamic parameters: Gibbs free energy, entro...

The physico-chemical properties (fatty acid composition, content of tocopherols, oxidation stability, color parameters etc) of linolic type sunflower oil enriched with ω-3 fatty acids by the addition of flaxseed oil have been investigated. It has been found that for sunflower oil enriched with flaxseed oil the linolic acid content increases from 0....

Production of leaf biomass by broadleaf deciduous forests in the Rhodope Mountains is studied. Leaf biomass is estimated based on LAI/FPAR data product of spectroradiometer MODIS on board of the satellites Terra and Aqua (NASA). The relationship between leaf area index(LAI) and specific leaf area(SLA) is used to determine the leaf biomass productio...

2 20 01 13 3 Сборник доклади AGRICULTURAL ACADEMY FOOD RESEARCH& DEVELOPMENT INSTITUTE International Scientific-Practical Conference " "F Fo oo od d, , T Te ec ch hn no ol lo og gi ie es s & & H He ea al lt th h" ", , 2 20 01 13 3 Резюме: Изследвани са спектрите на пропускане на екстракти от червена боровинка за различни температури и време на екст...

Ultrasound Acid formation Fermentation Lactic acid bacteria Raw milk is a complex nutritional medium suitable for the growth of various microorganisms. Different methods such as pasteurization, bactofugation, etc. have been applied to eliminate undesirable bacteria. An alternative to these practices is the ultrasonic treatment of raw milk. An impor...

The temperature dependence of the thermal diffusivity (ThD) of TGS doped with Lu3+ was investigated in two crystallographic directions in the ferroelectric phase. The thermal diffusivity was calculated at different temperatures from the relation k = Λ/cP p. The measurements of the thermal conductivity (Λ) were performed using a steady-state measuri...

This paper presents an investigation of the effect of ultrasonic treatment on the development of seeds from lentils (Lens culinaris, Med.) and wheat (Triticum aestivum). Ultrasonic wave with frequency 42 kHz has been used for the treatment. Samples were exposed to ultrasound for 0, 1, 2, and 3 min. The germination energy (GE), germination (G), leng...

The paper describes the investigation of magnetic field treatment on the development of lentil seeds. Stationary magnetic field has been used. The germination energy and germination, length of stems and roots, measured on the 7th and 14th day, as well as the total mass have been used in order to evaluate the effect of magnetic field treatment. The...

The influence of stationary magnetic field with induction B = 0.15 T on the absorption spectra of the photosynthetic apparatus of the ornamental perennial species Caragana arborescens L a m., Robinia pseudoacacia L. and Laburnum anagiroides Med. has been investigated. It has been established that magnetic field treatment does not change the magnitu...

Chemical additives (fertilizers and plant protection preparations) are largely used for improving the production yield of food produce. Their application often causes the contamination of raw materials for food production, which can be dangerous for the health of consumers. Alternative methods are developed and implemented to improve and ensure the...

Chemical additives (fertilizers and plant protection preparations) are largely used for improving the production yield of food produce. Their application often causes the contamination of raw materials for food production, which can be dangerous for the health of consumers. Alternative methods are developed and implemented to improve and ensure the...

Different chemical additives are used for rising productivity of plants and animals. Their application causes the contamination of raw materials for food production with toxins that is dangerous for consumers’ health. On-farm safety for fresh produce needs developing and implementing new methods for quality assurance. The influence of physical fact...

A private laboratory in Bulgaria recently found levels of nitrates in vegetables, sold in markets in Sofia, to be more than 10 times the legal nutritional limit for infants. It is well known that high levels of nitrates can cause a form of toxic poisoning, known as methemoglobinemia, in infants. Chemical additives are used for improving the product...

The rapid increase of world population in the last years accompanied by the intensification of human activities brought serious environmental problems such as the pollution of soil, water, and air, forest destruction, etc. In the future these negative impacts may cause global climatic changes (greenhouse effect) and might be a menace for the existe...

During the last years we are observing a durable tendency in the changes of the meteorological conditions in February and during the spring months March and April. The temperature-humidity conditions in the corresponding months for the period 1999-2004 are analysed. We have defined the diversion from the climatical norms for the region of Plovdiv a...

Due to the geographical and climatic conditions in Bulgaria, the solar energy represents the biggest resource among all the renewable energy sources. Between the two possibilities for transformation of solar energy - passive (air or water heating), and active (photovoltaic transformation), more disseminated in Bulgarian agriculture is the first one...

The influence of a stationary magnetic field with induction of 0,15 Т at expositions 10 min, 20 min и 30 min, on tobacco seeds (Nicotiana tabacum L.), cv. Harmanly 11 has been investigated. The germination energy GE and the germination G have been determined with the aim of establishing the effect of the magnetic field on seed vitality. It has been...

X-ray photoelectron emission lines from rare-earth doped triglycine sulphate (TGS) have been investigated. The source used was AlKα (1486.6 eV). Samples of monocrystals with three different concentrations of Nd 3+ ions are studied. The satellites in 3d-core photoemission of Nd in Nd-doped TGS were observed for the first time. The 3 d spectra of Nd...

Abstract: Seeds of Caragana arborescens Lam., Gleditschia triacanthos L., Laburnum anagiroides Med. and Robinia pseudoacacia L. have been exposed to He-Ne laser, ultrasound, permanent magnetic field and microwave irradiation treatment. The effect of the treatment on germination and uniformity of germination has been studied. A hypothesis was propos...

Abstract: Seeds of Caragana arborescens Lam., Gleditschia triacanthos L., Laburnum anagiroides Med. and Robinia pseudoacacia L. have been exposed to He-Ne laser, ultrasound, permanent magnetic field and microwave irradiation treatment. The effect of the treatment on the fresh weight and length of shoots has been studied. Comparing the different met...

The effect of the static magnetic field of 0,15 Т induction on the maize seeds was studied. The germinating energy and seed germination were detected. The fresh weight and the shoot length were measured. The absorption spectra and the specific electroconductivity of the water extract from seeds were registered. It was detected that the magnetic fie...

This study focuses on the determination of the natural radioactivity concentration of various building materials used for interior and exterior constructions in Greece. Natural radionuclides (U-238, Th-232 and K-40) concentration in specially prepared samples is measured utilizing the direct gamma-counting method. These values are presented as spec...

The effect of microwave irradiation with a wavelength of 12 cm on the germinating energy and germination of seeds of Gleditschia triacanthos L., Caragana arborescens, Laburnum anagiroides Med., Robinia pseudoacacia L. has been studied. The specific electroconductivity of leaf extracts has been measured and its dependence on the microwave radiation...

Crystal data for pure TGS and TGS doped with Lu were obtained at 150 K with a SMART CCD System for Single Crystal Diffraction. The results obtained show that the intramolecular hydrogen bond lengths for the ferroelectric phase depend on the temperature-the length decreases at low temperature (150 K) in comparison with hydrogen bond lengths at room...

Electroconductivity and optical extinction of tomato, dry bean, pea, carrotand pepper seeds have been measured. Electroconductivity has been measured with standard universal device LCR. Samples for measurement had been prepared by soaking 2,5g vegetable seeds in 20 ml distilled water and placed in special holder. The same water extract has been use...

The interest in Renewable Energy Sources (RES) in Bulgaria reflects the changes in the field of energy policy worldwide and in Europe. The key to successful development of renewable energies in Bulgaria requires a combination of political commitment and decision making as well as support mechanisms including well-defined government targets, technol...