Engeneering for Rural Development 2016 - Proceedings

15^th International Scientific Conference

Engineering for Rural Development

25-27.05.2016 Jelgava, LATVIA

Proceedings	Programme	Organizers
Contents of Proceedings of 15^th International Scientific Conference ENGINEERING FOR RURAL DEVELOPMENT May 25-27, 2016 ISSN 1691-5976 Jan Novotny J. E. Purkyne University in Usti nad Labem, Czech Republic Technical and natural sciences teaching at engineering faculty of FPTM UJEP David Herak, Ruslan Askarbekov Czech University of Life Sciences Prague, Czech Republic Determination of rapeseed (Brassica napus) dimensions and shape by image analysis Retta Zewdie, Pavel Kic Czech University of Life Sciences Prague, Czech Republic Microclimate conditions and stress factors effecting farm machine operators during harvest Pavel Kic, Aivars Aboltins, Juris Priekulis Czech University of Life Sciences Prague, Czech Republic; Latvia University of Agriculture, Latvia Optimization of choosing and evaluation of milking parlours for dairy farms in Latvia Aivars Aboltins, Harijs Kalis, Ilmars Kangro Latvia University of Agriculture, Latvia; Rezekne Academy of Technologies, Latvia; University of Latvia, Latvia On mathematical modelling of heat and moisture distribution in porous multilayer media Pavel Kic Czech University of Life Sciences Prague, Czech Republic Dust pollution in buildings for housing of meat chickens Dana Kocova, Pavel Kic Czech University of Life Sciences Prague, Czech Republic Technical and economic aspects of thermal insulation of buildings Alena Krofova, Pavel Kic Czech University of Life Sciences Prague, Czech Republic Heat recuperation in ventilation system of basement laboratory Milan Brozek, Alexandra Novakova Czech University of Life Sciences Prague, Czech Republic Properties evaluation of briquettes made using different briquette presses Martin Prejza, Pavel Kic Czech University of Life Sciences Prague, Czech Republic Reduction of moisture in basements of buildings Raitis Lacis Forest Sector Competence Centre, Latvia Structural monitoring of experimental timber-concrete composite bridge Alexandra Novakova, Milan Brozek Czech University of Life Sciences Prague, Czech Republic Briquette properties after three years storage Edmunds Visockis, Stanislavs Pleiksnis, Uldis Gross, Godfrids Noviks Latvia University of Agriculture, Latvia; Rezekne Academy of Technologies, Latvia Use of tree leaves-lime mixture for building insulation Inna Davydova, Yury Mazhayskiy, Evgeny Davydov Joint Institute for Nuclear Research, Russia; MNTC Ltd., Russia; Ryazan State University, Russia Petroleum-contaminated soils price regulation for the aids of land use optimization and ecological risk mitigation Sergey Rakutko, Elena Rakutko, Dmitriy Kaposhko, Alexander Vaskin Institute for Engineering and Environmental Problems in Agricultural Production, Russia; Saint-Petersburg State Agrarian University, Russia Monitoring technique of energy and ecological efficiency of indoor plant lighting Anastasija Vilcina, Gunta Grinberga-Zalite, Gunita Mazure, Elina Dumpe Latvia University of Agriculture, Latvia Opportunities for development of organic milk production and processing in Latvia Alexander Abbasov, Tatjana Tambovceva, Vladimir Artyushenko Moscow State Regional University of Technology, Russia; Riga Technical University, Latvia CAD-systems for optimization modeling of large equipment Vladimir Romanenko, Galina Nikitina North-Western Branch of Academy of Information Technologies in Education, Russia Instructional technology and hidden processes: development of professional skills and professonal ethics Vladimir Romanenko, Galina Nikitina North-Western Branch of Academy of Information Technologies in Education, Russia Cognitive stress in pedagogics: general analysis Aigars Atvars, Solvita Umbrasko, Dace Markus OptimEyz, Ltd, Latvia; Riga Teacher Training and Education Management Academy, Latvia; University of Latvia, Latvia Reading errors and eye fixation durations of primary school Latvian readers Harijs Kalis, Inesa Barmina, Maija Zake, Andrejs Koliskins Riga Technical University, Latvia; University of Latvia, Latvia Mathematical modelling and experimental study of electrodynamic control of swirling flame flows Inesa Barmina, Raimonds Valdmanis, Maija Zake University of Latvia, Latvia Development of combustion dynamics at thermochemical conversion of biomass pellets Ludmila Kalinnikova, Jelena Shaplavska, Aleksey Zavodilov "Psy Technology" LLC, Latvia Psychological well-being relation to individual orientation in early adulthood Serikbay Kosbolov, Kuralay Tulegenova, Erulan Bekenov, Algazy Zhauyt, Batyr Naurushev Kazakh National Research Technical University named after K.I. Satpayev, Kazakhstan Kinematic synthesis of initial kinematic chains (IKC) Edgars Repsa, Eriks Kronbergs Latvia University of Agriculture, Latvia Rhombus briquetting mechanism modelling Aleksejs Nipers, Irina Pilvere, Anda Valdovska, Liga Proskina Latvia University of Agriculture, Latvia Assessment of key aspects of technologies and cow farming for milk production in Latvia Yekaterina Astafyeva, Kamila Shalabayeva M. Auezov South-Kazakhstan State University, Kazakhstan Dependence of Azotobacter Chroococcum culture growth rate on salt concentrations Tatjana Rubina, Aivars Aboltins, Janis Palabinskis, Algirdas Jasinskas Aleksandras Stulginskis University, Lithuania; Latvia University of Agriculture, Latvia Potatoes drying dynamics research Alexander Sergeyev, Diy Sergeyev Institute of Problems of Mechanical Engineering RAS, Russia Pipe line segment squeezing by reactive load due to flowing out Manea Dragos, Voicu Gheorghe, Paraschiv Gigel, Marin Eugen National Institute of Research-Development for Machines and Installations Designed to Agriculture and Food Industry, Romania; University Politehnica of Bucharest, Romania Performances evaluation of direct seeder for grasslands Kristine Mezale, Andris Kundzins, Zigurds Markovics Riga Technical University, Latvia Decision table synthesis in fuzzy environment for industrial robot - telpher Anicetas Straksas, Dainius Steponavicius, Rolandas Domeika, Tadas Katkevicius Aleksandras Stulginskis University, Lithuania Research in cleaning and sorting of ecologically grown white mustard seed Vladimir Astashev, Vitaly Krupenin A. Blagonravov Institute of Machines Science of the Russian Academy of Sciences, Russia Auto-resonant ultrasonic cutting of materials for machinery manufacture Arnis Lenerts, Gatis Berzins, Dina Popluga Latvia University of Agriculture, Latvia; SIA "Precision Farming", Latvia Nitrogen fertilizer use efficiency and GHG emissions in the Latvian grain sector Vitaly Grinchenko, Gennady Nikitenko, Alexander Lysakov, Evgeny Konoplev Stavropol State Agrarian University, Russia Milking machine with electropulsator Aleksandr Vostrukhin, Elena Vakhtina Stavropol State Agrarian University, Russia; Stavropol Technological Institute of Service, Russia Studying digital signal processing on arduino based platform Patrik Prikner, Radka Kodesova Czech University of Life Sciences Prague, Czech Republic Influence of pore size distribution on penetration resistance behaviour and dry density of clay-loam soil Arta Bardule, Andis Lazdins, Toms Sarkanabols, Dagnija Lazdina Latvian State Forest Research Institute Silava", Latvia Fertilized short rotation plantations of hybrid aspen (Populus tremuloides Michx. x Populus tremula L.) for energy wood or mitigation of GHG emissions Miroslav Muller, Petr Valasek Czech University of Life Sciences Prague, Czech Republic Evaluation of used e-learning support from students' point of view Baiba Osmane, Inara Helena Konosonoka, Liga Proskina, Sallija Cerina Institute of Agricultural Resources and Economics - "Priekuli", Latvia; Latvia University of Agriculture, Latvia Chemical composition of different pea and beans varieties grown in Latvia Inara Helena Konosonoka, Baiba Osmane, Sallija Cerina, Liga Proskina Institute of Agricultural Resources and Economics - "Priekuli", Latvia; Latvia University of Agriculture, Latvia Feed additives in chicken feed and their impact on microflora of digestive tract Irina Belinskaia, Dmitriy Agapov Saint-Petersburg State Agrarian University, Russia Parametric optimization of energy conversion systems based on thermo economic indicators Evgueniy G. Ivanov Nizhny Novgorod State Agricultural Academy, Russia Seed germination with use of acoustic - cavitation technologies Haiyan Sulaiman, Tomas Ratinger, Jan Banout Czech University of Life Sciences Prague, Czech Republic Spatial and temporal arbitrage by citrus farmers depending on market information system in Lattakia region, R. A. Syria Elena Boitsova, Natalia Bogach, Karina Vylegzhanina Peter the Great Saint-Petersburg Polytechnic University, Russia To specificity of discourse approach for engineering students listening comprehension training in ELT classroom Edgars Cubars, Liena Poisa Latvia University of Agriculture, Latvia; Rezekne Academy of Technologies, Latvia Content of heavy metals in reed ash and possibilities of reed ash utilization Dainius Steponavicius, Aurelija Kemzuraite, Remigijus Zinkevicius, Tadas Bartkus Aleksandras Stulginskis University, Lithuania Effect of soil PH on reasonable travel speed of mobile unit and lime application Imants Ziemelis, Henriks Putans, Algirdas Jasinskas, Liene Kancevica Aleksandras Stulginskis University, Lithuania; Latvia University of Agriculture, Latvia Investigation of air heating solar collector with energy concentrator Tomasz Huscio, Roman Trochimczuk Bialystok University of Technology, Poland Novel rope-free mechatronic elevator system to automation of transport in agricultural farms Petr Valasek, Petr Chocholous, Miroslav Muller Czech University of Life Sciences Prague, Czech Republic Mechanical properties of thermal insulating sandwich materials Rafal Grzejda West Pomeranian University of Technology, Poland Modelling nonlinear multi-bolted connections: a case of the assembly condition Rafal Grzejda West Pomeranian University of Technology, Poland Modelling nonlinear multi-bolted connections: a case of operational condition Andrejs Jaunzems, Ilze Balode Ventspils University College, Latvia Model of price volatility risk management for firm with perfectly structured technology Jekaterina Smirnova, Gatis Vitols Latvia University of Agriculture, Latvia Procedure for testing Jelgava school websites on mobile devices using GoPro head camera Vladimir Sadovoy, Ruslan Omarov, Sergei Shlykov, Tatiana Shchedrina Belgorod University of Cooperation, Economics and Law, Russia; North-Caucasian Federal University, Russia; Stavropol State Agrarian University, Russia Assessment of compliance of qualitative food characteristics to standard requirements Carmen Bracacescu, Iuliana Gageanu, Simion Popescu, Kemal Cagatay Selvi National Institute of Research-Development for Machines and Installations Designed to Agriculture and Food Industry, Romania; Ondokuz Mayis University, Turkey; Transilvania University of Brasov, Romania Researches concerning impurities separation process from mass of cereal seeds using vibrating sieves in air flow currents Rasma Platace, Aleksandrs Adamovics, Janis Kalnacs Institute of Physical Energetics, Latvia; Latvia University of Agriculture, Latvia Production of reed canary grass-wood pellets Elita Aplocina, Aivars Aboltins, Juris Priekulis Latvia University of Agriculture, Latvia Amount of nitrogen in cattle manure Juris Priekulis, Elita Aplocina, Armins Laurs Latvia University of Agriculture, Latvia Chemical composition of digestate Julia Gorzelany, Barbara Prus, Tomasz Salata University of Agriculture in Krakow, Poland Delimitation of same municipalities of Cracow district in reference to technical and social infrastructure (using numerical taxonomy methods) and their impact on local development Tatiana Panysheva Peter the Great Saint-Petersburg Polytechnic University, Russia High frequency words and foreign language competence development in engineering Stanislavs Pleiksnis, Juris Skujans, Edmunds Visockis, Kristaps Pulkis Latvia University of Agriculture, Latvia Increasing fire proofness of sapropel and hemp shives insulation material Marina Griscenko, Renars Vitols, Oskars Simanis Riga Technical University, Latvia Case study of shell-type power transformer tank vibration in different loading conditions Sergejs Kodors, Ilmars Kangro Rezekne Academy of Technologies, Latvia Simple method of lidar point density definition for automatic building recognition Aldis Cirulis, Valdis Kleinbergs, Gunars Verdins Latvia University of Agriculture, Latvia Galvanised sheet steel folding characteristics and corrosion resistance Elena Zorina, Olga Chudnova, Irina Crusyan Stavropol State Agrarian University, Russia Socio-cultural peculiarities in personal consciousness formation Valerii Vtoryi, Sergei Vtoryi, Evgenia Lantsova, Vladislav Gordeev Institute for Engineering and Environmental Problems in Agricultural Production, Russia Effect of weather conditions on content of carbon dioxide in barns Harijs Grinbergs Riga Technical University, Latvia Production quality decision support using real-time computer vision framework Vaclovas Kurkauskas, Algirdas Janulevicius, Gediminas Pupinis Aleksandras Stulginskis University, Lithuania Influence of inflation pressure in tires on traction ratio 2WD and 4WD driving modes of tractor Lilija Degola, Aiga Trupa, Elita Aplocina Latvia University of Agriculture, Latvia Forage quality and digestibility for calculation of enteric methane emission from cattle Aivars Birkavs, Aivars Kakitis, Ilmars Dukulis Latvia University of Agriculture, Latvia Biodiesel impact on diesel engine high pressure pump plunger pairs Aivars Birkavs, Ilmars Dukulis Latvia University of Agriculture, Latvia Amount of toxic exhaust gases emitted during engine warm up Irina Pilvere, Liga Proskina, Aleksejs Nipers Latvia University of Agriculture, Latvia Technological and economic aspects of meat cattle farming in Latvia Peteris Shipkovs, Kristina Lebedeva, Lana Migla, Galina Kashkarova Institute of Physical Energetics, Latvia Renewable energy resources effective use for rural development Veronika Hartova, Jan Hart Czech University of Life Sciences Prague, Czech Republic Biometric systems based on facial features and their reliability Veronika Hartova, Jan Hart Czech University of Life Sciences Prague, Czech Republic Risk of wiring of biometric identification systems Jozef Hernik, Agnieszka Rutkowska, Tomasz Noszczyk University of Agriculture in Krakow, Poland Correlation between selected socioeconomic variables and the number of renewable energy sources in Świętokrzyskie voivodeship (Poland) Ibrahim Demirbilek, Atilgan Atilgan Suleyman Demirel University, Turkey Determination of level of fertilizer usage in greenhouses in Mugla region Dagnija Cedere, Inese Jurgena, Gunita Praulite Riga Teacher Training and Education Management Academy, Latvia Possibilities of promoting students' cognitive interest in science subjects Atilgan Atilgan, Burak Saltuk, Hasan Oz, Ozan Artun Cukurova University, Turkey; Siirt University, Turkey; Suleyman Demirel University, Turkey Management of manure from livestock housing in Tigris basin and its environmental potential impact Jan Hart, Veronika Hartova Czech University of Life Sciences Prague, Czech Republic Development of new testers to improve quality for data transmissions in intrusion and hold-up alarm systems Jan Hart, Veronika Hartova Czech University of Life Sciences Prague, Czech Republic Risks of vibration detectors in intrusion and hold-up alarm systems Kastytis Laurinaitis, Stasys Slavinskas Aleksandras Stulginskis University, Lithuania Influence of intake air temperature and exhaust gas recirculation on HCCI combustion process using bioethanol Magdalena Dabrowska-Salwin, Aleksander Lisowski, Monika Kostrubiec, Adam Swietochowski Warsaw University of Life Sciences, Poland Pressure agglomeration of biomass with addition of the calcium carbonate Adam Swietochowski, Aleksander Lisowski, Magdalena Dabrowska-Salwin Warsaw University of Life Sciences, Poland Strength of briquettes and pellets from energy crops Atilgan Atilgan, Ali Yucel, Hasan Oz, Yusuf Aydin Osmaniye Korkut Ata University, Turkey; Siirt University, Turkey; Suleyman Demirel University, Turkey Analysis of heating and cooling days for broiler housing in gap region: Euphrates basin case Martins Ekmanis, Agris Nikitenko Riga Technical University, Latvia Mobile robot camera extrinsic parameters auto calibration by spiral motion Miloslav Linda, Monika Hromasova Czech University of Life Sciences Prague, Czech Republic Model analysis of temperature sensors Povilas Gurevicius, Algirdas Janulevicius, Gediminas Pupinis Aleksandras Stulginskis University, Lithuania Kinematic discrepancy and moving resistance dependence on tires air pressure in 4x4 tractors Tomas Mickevicius, Stasys Slavinskas, Ricardas Uzelka, Valentina Vilutiene Aleksandras Stulginskis University, Lithuania; The General Jonas Zemaitis Military Academy of Lithuania, Lithuania Numerical and experimental analyses of injection characteristics using jet fuel Svetla Stoilova, Radina Nikolova Technical University-Sofia, Bulgaria Complex methodology for study of intercity rail transport Janis Kaneps, Anita Gerina-Ancane Riga Technical University, Latvia Perfection of learning methods for mechatronics basic in mechanical engineering and industrial design studies Dijs Sergejevs, Andris Tipainis Riga Technical University, Latvia Assessment of railway turnout element restoration using mma and fcaw welding Aleksejs Gedzurs, Indulis Straume, Ainars Galins, Aigars Laizans Latvia University of Agriculture, Latvia Low-voltage circuit breakers selectivity studies Pavels Gavrilovs, Aleksandrs Dmitrijevs Riga Technical University, Latvia; Transport Accident and Incident Investigation Bureau, Latvia Research in passenger car bogie central suspension roller and rod base metal and welded metal structure Iuliana Gageanu, Gheorghe Voicu, George Bunduchi, Carmen Bracacescu National Institute of Research-Development for Machines and Installations Designed to Agriculture and Food Industry, Romania; University Politehnica of Bucharest, Romania Experimental research on the process of pelleting Salix Viminalis depending on humidity and granulation Laura Toma, Gheorghe Voicu, Mariana Ferdes, Mirela Dinca University Politehnica of Bucharest, Romania Animal manure as substrate for biogas production Janis Eiduks, Liga Paura Latvia University of Agriculture, Latvia Software for biological data storage and sequence comparison Liga Paura, Irina Arhipova Latvia University of Agriculture, Latvia Student dropout rate in engineering education study program Algirdas Jasinskas, Juozas Pekarskas, Vytautas Kucinskas, Aivars Aboltins Aleksandras Stulginskis University, Lithuania; Latvia University of Agriculture, Latvia Investigation of natural magnesium mineral fertilizer granulation and determination of granule qualitative indicators Janis Lungevics, Armands Leitans, Irina Boiko, Janis Rudzitis Riga Technical University, Latvia Surface texture parameters influence on tribological properties of functional coatings Sandra Iriste, Irena Katane Latvia University of Agriculture, Latvia Facilitation of reflection for self-development of competitiveness of university students as prospective specialists Algirdas Jasinskas, Vytautas Kucinskas, Imants Ziemelis, Egle Jotautiene Aleksandras Stulginskis University, Lithuania; Latvia University of Agriculture, Latvia Evaluation of wood and peat mixture biofuel characteristics Aija Ruzaike, Sandra Muizniece-Brasava, Kaspars Kovalenko, Aivars Aboltins Latvia University of Agriculture, Latvia Development of mathematical model for calculation of thermal treatment regimes of potato products packed in soft retortable pouches Dainis Viesturs, Nikolajs Kopiks Latvia University of Agriculture, Latvia Investigations in suitability of fleet of combines for timely harvesting Ernests Jansons, Janis Lungevics, Karlis Agris Gross Riga Technical University, Latvia Surface roughness measure that best correlates to ease of sliding Mario Szabo, Radoslav Majdan, Stanislav Lindak, Vladislav Hajdak Slovak University of Agriculture in Nitra, Slovakia Special monitoring device for evaluation of driving style of car drivers Jelena Malahova, Baiba Rivza, Daina Vasilevska Latvia University of Agriculture, Latvia; Liepaja University, Latvia; Riga Technical University, Latvia Analysis of fire safety systems in regions of Latvia: possibility of building new fire stations Zofia Koloszko-Chomentowska, Leszek Sieczko Bialystok University of Technology, Poland; Warsaw University of Life Sciences, Poland Effectiveness of fixed assets in agriculture of selected new member states in european union Janis Viba, Stanislavs Noskovs, Vitaly Beresnevich, Janis Dobelis Riga Technical University, Latvia New devices for energy extraction from air flow Oskars Ozolins, Valters Cipruss, Janis Viba, Olegs Jakovlevs Riga Technical University, Latvia Double pendulum motion analysis in variable fluid flow Indra Eihvalde, Daina Kairisa, Ilga Sematovica Latvia University of Agriculture, Latvia Long-term continuous monitoring of ruminal ph and temperature for dairy cows with indwelling and wireless data transmitting unit Milan Kroulik, Vaclav Brant, Jan Chyba, Petr Zabransky Czech University of Life Sciences Prague, Czech Republic Effect of plowing and deep loosening on cone index and water flow Svetlana Polukoshko, Vladimirs Gonca, Andris Martinovs, Svetlana Sokolova Rezekne Academy of Technologies, Latvia; Riga Technical University, Latvia; Ventspils University College, Latvia Boundary conditions influence on compressive stiffness of elastomeric isolators Ruslan Askarbekov, David Herak, Cestmir Mizera Czech University of Life Sciences Prague, Czech Republic Mechanical behavior of rubber samples under relaxation Daina Kairisa, Dace Barzdina Latvia University of Agriculture, Latvia Quality evaluation of fattening lambs using ultrasonic scanner Mindray Dp-50 Vet Jiri Masek, Frantisek Kumhala, Petr Novak, Tomas Fic Czech University of Life Sciences Prague, Czech Republic Influence of different threshing system design on grain damage Joanna A. Pawlowicz, Elzbieta Szafranko University of Warmia and Mazury in Olsztyn, Poland Application of reverse engineering in modelling of rural buildings of religious worship Kestutis Romaneckas, Egidijus Sarauskis, Antanas Sakalauskas, Algirdas Jasinskas Aleksandras Stulginskis University, Lithuania Impact of subsoiling and scattered sowing on some soil physical properties and wheat productivity Dace Brizga Latvia University of Agriculture, Latvia Competence development model for occupational safety specialists Nataliya Kasyanova, Larisa Kirina, Ekaterina Serebryakova-Shibelbeyn Stavropol State Agrarian University, Russia Formation of a competitive person in the context of corporate communications using blog-based technologies in the agrarianuniversity Stanislav Lindak, Peter Kuchar, Marek Halenar, Vladislav Hajdak Slovak University of Agriculture in Nitra, Slovakia Assessment of the economy of municipal bus operation Baiba Briede Latvia University of Agriculture, Latvia Engineering students' self-assessment of learning outcomes in the context of transformative learning Michal Lattner, Jaroslava Svobodova, Radek Lattner, Pavel Kraus J. E. Purkyne University in Usti nad Labem, Czech Republic Effect of machining technology for durability with notched components Jaroslava Svobodova, Michal Lattner, Pavel Kraus, Radek Lattner J. E. Purkyne University in Usti nad Labem, Czech Republic Analysis of chemical pre-treatment excluded with use of sol-gel technology on polished surface of Al substrate Josef Hula, Petr Novak Czech University of Life Sciences Prague, Czech Republic Evaluation of soil tillage technologies in terms of soil particle transfer Stefan Croitoru, Valentin Vladut, Eugen Marin, Mihai Matache, Ilie Dumitru National Institute of Research-Development for Machines and Installations Designed to Agriculture and Food Industry, Romania; University of Craiova, Romania Determination of subsoiler's traction force influenced by different working depth and velocity Zivile Cerniauskiene, Algirdas Raila, Egidijus Zvicevicius, Zydre Kadziuliene, Vita Tilvikiene Aleksandras Stulginskis University, Lithuania; Lithuanian Research Centre for Agriculture and Forestry, Lithuania Influence of harvest time of Artemisia Dubia Wall. properties Mihaela Nitu, Mihai Matache, Valentin Vladut, Imre Kiss National Institute of Research-Development for Machines and Installations Designed to Agriculture and Food Industry, Romania; P. University Timişoara, Romania Researches in optimizing the working process of machinery used for treatment of field crops Janis Judrups, Uldis Zandbergs, Maksims Kazakovs Baltic Computer Academy Ltd, Latvia Learning and competence management solution Igor Subbotin, Eduard Vasilev Institute for Engineering and Environmental Problems in Agricultural Production, Russia Formalization of criteria for determining best available technologies: the case of Russia Roman Uvarov, Alexander Briukhanov, Ekaterina Shalavina Institute for Engineering and Environmental Problems in Agricultural Production, Russia Study results of mass and nutrient loss in technologies of different composting rate: case of bedding poultry manure Maksims Kazakovs Baltic Computer Academy Ltd, Latvia Competence-based approach in human resource development planning automation Uldis Zandbergs, Maksims Kazakovs Baltic Computer Academy Ltd, Latvia Impact of competence fragmentation on employee development in public services in Latvia Francesco Marinello, Andrea Pezzuolo, Alessandro Chiumenti, Luigi Sartori University of Padova, Italy; University of Udine, Italy Technical analysis of unmanned aerial vehicles (drones) for agricultural applications Francesco Marinello, Andrea Pezzuolo, Donato Cillis, Luigi Sartori University of Padova, Italy Kinect 3D reconstruction for quantification of grape bunches volume and mass Andrea Pezzuolo, Alessandro Chiumenti, Luigi Sartori, Francesco Da Borso University of Padova, Italy; University of Udine, Italy Automatic feeding system: evaluation of energy consumption and labour requirement in North-East Italy dairy farm Jan Komarek, Jitka Kumhalova, Milan Kroulik Czech University of Life Sciences Prague, Czech Republic Surface modelling based on unmanned aerial vehicle photogrammetry and its accuracy assessment Zofija Jankauskiene, Elvyra Gruzdeviene, Semjons Ivanovs, Ernestas Maumevicius Aleksandras Stulginskis University, Lithuania; Latvia University of Agriculture, Latvia; Lithuanian Research Centre for Agriculture and Forestry, Lithuania Investigation of hemp (Cannabis sativa L.) morphological parameters as influenced by seed rate and genotype Martin Kotek, Miroslav Ruzicka, Petr Jindra, Jakub Marik Czech University of Life Sciences Prague, Czech Republic Comparison of ground and underground routes by analysing operating parameters of driven vehicle Anita Gerina-Ancane, Agrita Eiduka Riga Technical University, Latvia Research and analysis of Absorbent Hygiene Product (AHP) recycling Darius Mazeika, Algimantas Bubulis, Audrius Bartkus, Arvydas Pauliukas, Martynas Lendraitis, Dalia Nizeviciene Aleksandras Stulginskis University, Lithuania; Kaunas University of Technology, Lithuania; UAB "MATURE", Lithuania Experimental and computational research of new filter inner linear design Roberts Vanags, Daina Kanaska Latvia University of Agriculture, Latvia Modelling of sapropel flow using solidworks simulation tools Skaidrite Bumane, Rasma Platace, Liena Poisa, Aleksandrs Adamovics Latvia University of Agriculture, Latvia; Latvian Plant Protection Research Centre, Latvia Analysis of reed canary grass chemical content Liena Poisa, Skaidrite Bumane, Edgars Cubars, Lidija Antipova Latvia University of Agriculture, Latvia; Latvian Plant Protection Research Centre, Latvia; Mykolayiv State Agrarian University, Ukraine; Rezekne Academy of Technologies, Latvia Hemp quality parameters for bioenergy-impact of nitrogen fertilization Viesturs Kalnins, Inga Straupe, Ritvars Sudars Latvia University of Agriculture, Latvia; Liepaja University, Latvia In depth evaluation of cumulative air pollution forming factors in Liepaja and Riga with Cumulative Pollution Index method Tomasz Lipinski University of Warmia and Mazury in Olsztyn, Poland Modification of AlSi21CuNi alloy by fast cooled alloy with Al, B and Ti Tomasz Lipinski University of Warmia and Mazury in Olsztyn, Poland Corrosion of the X2CrNiMoSi18-5-3 duplex stainless steel Stasys Slavinskas, Gvidonas Labeckas, Irena Kanapkiene, Tomas Mickevicius Aleksandras Stulginskis University, Lithuania Numerical model of common rail electromagnetic fuel injector Andrea Pezzuolo, Davide Boscaro, Francesco Marinello, Luigi Sartori University of Padova, Italy Alternative maize ensiling techniques for anaerobic digestion process: economic and energetic comparison Elzbieta Szafranko University of Warmia and Mazury in Olsztyn, Poland Evaluation of possibilities of investment using rural areas with multicriterial analysis Anna Brunerova, Tatiana Ivanova, Milan Brozek Czech University of Life Sciences Prague, Czech Republic Mechanical durability of digestate briquettes mixed with mineral additives Martin Krupicka, Adolf Rybka, Petr Hermanek, Ivo Honzik Czech University of Life Sciences Prague, Czech Republic Monitoring of dependency of hop material fall through on size of gaps at new design of separation rollers Ilze Pelece, Uldis Gross Latvia University of Agriculture, Latvia Practical use of solar collector integrated in combined heating system Arta Seile, Dana Belakova Riga Technical University, Latvia Properties of long flax fiber reinforced nonwoven and composite materials Olafs Vronskis, Egils Laukmanis, Aivars Kakitis, Imants Nulle Latvia University of Agriculture, Latvia; SIA Bioorganic Earthworm Compost, Latvia Earthworm biohumus conditioning for pellet production Lancine Doumbouya, Changsheng Guan, Sixiang Dengc, Guoping Gaod Wuhan University of Technology, P.R. China Collinear force and frequency analysis of a viaduct pile foundation construction project: a case study on the application of BIM technology Veronika Chaloupkova, Tatiana Ivanova, Bohumil Havrland Czech University of Life Sciences Prague, Czech Republic Sieve analysis of biomass: accurate method for determination of particle size distribution Evalds Urtans, Agris Nikitenko Riga Technical University, Latvia Active infrared markers for augmented and virtual reality Ritvars Sudars, Laima Berzina, Linda Grinberga Latvia University of Agriculture, Latvia Analysis of agricultural run-off monitoring program results for estimation of nitrous oxide indirect emissions in Latvia Volodimir Bulgakov, Volodimir Nadykto, Igor Velichko, Semjons Ivanovs Latvia University of Agriculture, Latvia; National Scientific Centre "Institute for Agricultural Engineering and Electrification" of Ukraine, Ukraine Investigation of draft coefficient of efficiency of wheeled tractor Ilze Kazaine Latvia University of Agriculture, Latvia Software for creation of electronic materials Karlis Berkolds Riga Technical University, Latvia Image recognition with hardware neural networks Armins Laurs, Juris Priekulis, Zigurds Markovics, Aivars Aboltins Latvia University of Agriculture, Latvia; Riga Technical University, Latvia Research in farm animal breeding technological parameters Natalija Bulaha, Janis Rudzitis, Janis Lungevics, Vladimirs Cudinovs Riga Technical University, Latvia Measurement principles of 3D roughness parameters Vasiliy Sysuev, Peter Savinyh, Alexey Aleshkin, Semjons Ivanovs Latvia University of Agriculture, Latvia; North-East Zonal Agricultural Research Institute named after Rudnicki N.V, Russia; Vyatka State University, Russia Simulation of elastic deformation propagation of grain under impact crushing in crusher Peter Savinyh, Vladimir Nechaev, Marina Nechaeva, Semjons Ivanovs Latvia University of Agriculture, Latvia; North-East Agricultural Research Institute, Russia; Vyatka State University, Russia Motion of grain particle along blade of rotor fan of hammer crusher Volodimir Bulgakov, Semjons Ivanovs, Valeriy Adamchuk, Volodimir Nadykto Latvia University of Agriculture, Latvia; National Scientific Centre "Institute for Agricultural Engineering and Electrification" of Ukraine, Ukraine Theoretical investigation of turning ability of machine and tractor aggregate on basis of ploughing and intertilling wheeled tractor Aleksandrs Adamovics, Rasma Platace, Semjons Ivanovs Latvia University of Agriculture, Latvia Influence of nitrogen fertilizers on chemical composition of energy grass Volodimir Bulgakov, Semjons Ivanovs, Zinoviy Ruzhylo, Ivan Golovach Latvia University of Agriculture, Latvia; National University of Life and Environmental Sciences of Ukraine, Ukraine Theoretical investigations in cleaning sugar beet heads from remnants of leaves by cleaning blade Valeriy Adamchuk, Viktor Prysyazhnyi, Semjons Ivanovs, Volodimir Bulgakov Latvia University of Agriculture, Latvia; National Scientific Centre "Institute for Agricultural Engineering and Electrification" of Ukraine, Ukraine Investigations in technological method of growing potatoes under mulch of straw and its effect on the yield Edgars Kovals, Janis Viba, Lauris Stals, Svetlana Sokolova, Vitaly Krupenin A. Blagonravov Institute of Machines Science of the Russian Academy of Sciences, Russia; Riga Technical University, Latvia Mechanism motion studies with collisions at several points Natalija Mozga, Ivans Grinevichs Riga Technical University, Latvia Complete automation of assembly process for cylindrical parts with using vibrations Antanas Pocius, Egle Jotautiene, Juozas Pekarskas, Mecys Palsauskas Aleksandras Stulginskis University, Lithuania Investigation of physical-mechanical properties of experimental organic granular fertilizers Anna Vintere, Baiba Briede Latvia University of Agriculture, Latvia Engineers' mathematics education in the context of sustainable development Victor Mironov, Pavel Stankevich, Irina Beljaeva, Vladimir Glushenkov Riga Technical University, Latvia; Samara State Aerospace University, Russia Static-dynamic powder material compaction methods Natasa Naprstkova, Jaromir Cais, Jan Sviantek, Helena Cierna J. E. Purkyne University in Usti nad Labem, Czech Republic; Technical University of Zvolen, Slovakia Change of selected resulting properties of AlSi9CuMnNi alloy by heat treatment and antimony Petr Novak, Jiri Masek, Josef Hula Czech University of Life Sciences Prague, Czech Republic Impact of soil tillage technology on erosion parameters in Central Bohemia region Aivars Aboltins, Pavel Kic Latvia University of Agriculture, Latvia; Czech University of Life Sciences Prague, Czech Republic Research in some medical plant drying process Aivars Aboltins, Pavel Kic Latvia University of Agriculture, Latvia; Czech University of Life Sciences Prague, Czech Republic Bark effect on wood drying dynamics Alexandr Shimanovsky Belarusian State University of Transport, Belarus Oscillations of partially filled tanker truck at its braking Ligita Melece Institute of Agricultural Resources and Economics, Latvia Challenges and opportunities of circular economy and green economy Ligita Melece, Agnese Krievina Institute of Agricultural Resources and Economics, Latvia Bioenergy in Latvia: sector value and impacts Martins Ziemelis, Gunars Verdins Latvia University of Agriculture, Latvia Wear of plough chisel during processing of podzolic soil Irena Katane, Regina Baltusite, Edgars Katans Latvia University of Agriculture, Latvia; Autentica, SIA, Latvia Programming engineer professional development from multi-aspect view Dainis Berjoza, Vilnis Pirs, Ilmars Dukulis Latvia University of Agriculture, Latvia Experimental investigation of effectiveness of electric vehicle vacuum brake booster on power test bench Dainis Berjoza, Inara Jurgena Latvia University of Agriculture, Latvia Ecological effect of electric vehicles on CO₂ emissions in Latvia Josef Krupicka, Petr Sarec, Petr Novak Czech University of Life Sciences Prague, Czech Republic Measurement of electrical conductivity of fertilizer NPK 20-8-8 Sylvia Kusmierczak, Lubomir Hodinar J. E. Purkyne University in Usti nad Labem, Czech Republic Complex analysis of the quality of the nickel layer of screws Jan Novotny, Martin Jaskevic J. E. Purkyne University in Usti nad Labem, Czech Republic Morphology and producing of TiO₂ particles Karlis Kreslins, Dace Stefenberga Ventspils University College, Latvia Analysis of Kurzeme region development in the context of smart specialization strategy: preliminary results Valdis Avotins, Biruta Sloka, Natalja Jarohnovich University of Latvia, Latvia; Ventspils University College, Latvia Global talent war: differences in small emerging country Normunds Jekabsons, Sabine Upnere, Janis Kleperis Ventspils University College, Latvia; SIA "Multipla Energy", Latvia; Institute of Solid State Physics, Latvia Numerical and experimental investigation of H-darrieus vertical axis wind turbine Sabine Upnere, Normunds Jekabsons Riga Technical University, Latvia; Ventspils University College, Latvia Flow-induced vibration of cylindrical structures Juris Roberts Kalnins, Natalja Jarohnovich Ventspils University College, Latvia Dynamic model of enterpreneurial university: case of Ventspils University College development vision Aivars Kakitis, Roberts Berzins, Uldis Berzins Latvia University of Agriculture, Latvia Cutting energy assessment of hemp straw Jaroslaw Janus, Agnieszka Glowacka, Piotr Bozek University of Agriculture in Krakow, Poland Identification of areas with unfavorable agriculture development conditions in terms of shape and size of parcels with example of Southern Poland Tatevik Yezekyan, Juri Olt Armenian National Agrarian University, Armenia; Estonian University of Life Sciences, Estonia Vineyard floor management with novel free-active inter-row tiller Lasma Dobele, Irina Deicmane, Lana Janmere Latvia University of Agriculture, Latvia Challenges with engineering education from the marketing perspective Ilze Priedite, Gatis Bazbauers Institute of Physical Energetics, Latvia; Riga Technical University, Latvia Combination of wind power plants and district heating systems - technical, Economic and environmental aspects Sarmite Cernajeva, Inta Volodko Riga Technical University, Latvia Improvement of teaching methodology of mathematics for students and pupils using the mooc platform Sandra Gusta Latvia University of Agriculture, Latvia Sustainable construction in Latvia - opportunities and challanges Marek Gaworski, Aguida Garreth Ferraz Rocha University Federal of Uberlandia, Brazil; Warsaw University of Life Sciences, Poland Effect of management practices on time spent by cows in waiting area before milking Dan Cujbescu, Valentin Vladut, Gheorghe Voicu, Nicoleta Ungureanu National Institute of Research-Development for Machines and Installations Designed to Agriculture and Food Industry, Romania; University Politehnica of Bucharest, Romania Researches on obtaining higher qualitative indices for sowing work Jaroslav Zukerstein J. E. Purkyne University in Usti nad Labem, Czech Republic Innovative approaches to practical training for teachers of technical subjects Aleksandrs Gasparjans, Aleksandrs Terebkovs, Anastasija Ziravecka Latvian Maritime Academy, Latvia; Riga Technical University, Latvia Early diagnostics of real time technical condition of steel shafts Zbigniew Kulesza, Tomasz Huscio Bialystok University of Technology, Poland Influence of load conditions in membrane spring-loaded cylinder on dynamic characteristics of pneumatic brake system Henrietta Nagy, Jozsef Kaposzta Szent István University, Hungary Interpretation of land-use system in hungary in the context of rural development Anna Ancevska, Dijs Sergejevs Riga Technical University, Latvia Reasons for railway wear at curves Mihret Dananto Ulsido, Meng Li Hawassa University, Ethiopia; Wuhan University of Technology, P.R. China Effect of organic matter from coffee pulp compost on yield response of chickpeas (Cicer Arietinum L.) in Ethiopia Mihret Dananto Ulsido, Gerawork Zeleke, Meng Li Hawassa University, Ethiopia; Wuhan University of Technology, P.R. China Biogas potential assessment from coffee husk: an option for solid waste management in gidabo watershed of Ethiopia Andrius Senkus, Egle Jotautiene Aleksandras Stulginskis University, Lithuania FEM numerical analysis of tool holder of turning lathe Vilis Dubrovskis, Imants Plume Latvia University of Agriculture, Latvia Biogas potential assessment from beer and sugar producing factories waste Vilis Dubrovskis, Imants Plume Latvia University of Agriculture, Latvia Biogas potential from residues of food processing factories Vilis Dubrovskis, Imants Plume Latvia University of Agriculture, Latvia Impact of melafen-metaferm additive on maize silage anaerobic digestion process Ayrat Valiev, Farzutdin Muhamadyarov Kazan State Agrarian University, Russia; Vyatka State University, Russia Study of soil stratum deformation by disc cultivator Kaspars Kroics, Viesturs Brazis Riga Technical University, Latvia Ultracapacitor based storage system for lead-acid powered light electric vehicle retrofit Pavels Patlins Riga Technical University, Latvia Efficient transportation in cities and perishable goods secondary packaging Turatbek Duishenaliev, Ruslan Askarbekov Kyrgyz State Technical University, Kyrgyzstan; Czech University of Life Sciences Prague, Czech Republic Calculation of deformation of rubber layer in rubber metal elements Arturs Macanovskis, Andrejs Krasnikovs, Olga Kononova, Edgars Macanovskis Riga Technical University, Latvia Pull-out mechanism detailed micromechanical investigation in situation when out of concrete pulling straight steel fibre Arturs Lukasenoks, Arturs Macanovskis, Andrejs Krasnikovs, Videvuds Lapsa Riga Technical University, Latvia Composite fiber pull-out in concretes with various strengths Maris Gailis, Marcis Jansons, Janis Rudzitis, Juris Kreicbergs Riga Technical University, Latvia; Latvia University of Agriculture, Latvia Instrumentation of cetane number research engine Guntis Springis, Janis Rudzitis, Eriks Gerins, Armands Leitans Riga Technical University, Latvia Rough surface peak influence on the wear process of sliding-friction pairs Aivars Rubenis, Aigars Laizans, Dainis Berjoza SIA "TransfoElectric", Latvia; Latvia University of Agriculture, Latvia Using wireless charging to prolong lead-acid battery lifetime Janis Voitkans, Leslie R. Adrian, Donato Repole Riga Technical University, Latvia Investigation of the electrical parameters for a PCB transformer Mara Laizane, Ilze Vardanjana, Ilona Laizane NGO Building and Energy Conservation Bureau, Latvia; Riga Teacher Training and Education Management Academy, Latvia Social aspects of multi-family apartment building renovation Ainars Galins, Pauls Beinarovics, Aigars Laizans, Arvids Jakusenoks Latvia University of Agriculture, Latvia; Road Traffic Safety Directorate, Latvia RFID application for electric car identification at the charging station