Now showing items 443-462 of 926

  • Harvest and Storage of Potatoes in Boxes 

    Hoffmann, Thomas; Maly, Pavel; Fuerll, Christian; Scheibe, Knut
    Often the potatoes are filled in storage boxes in field by the hopper of the harvester ("indirect box filling"). A high concentration of foreign material in the middle of the box is the result. To avoid mechanical loads ...
  • Harvest of Cereals and Oilseeds Rape By Combine Harvesters New Holland Cx 8090 and New Holland Cr 9080 

    Fríd, Milan; Dolan, Antonín; Celjak, Ivo; Filip, Martin; Bartos, Petr
    The article is focused on evaluation of the throughput, the fuel consumption and the performance of combine harvesters New Holland CX 8090 and New Holland CR 9080 during harvest of cereals and oilseeds rape. During harvest ...
  • Harvesting and Storage of Miscanthus×Giganteus Greef and Deu. 

    Dzeletovic, Zeljko; Mihailovic, Nevena; Glamoclija, Djordje; Drazic, Gordana; Djordjevic, Snezana; Milovanovic, Mirjana
    Miscanthus (Miscanthus×giganteus Greef et Deu.) represents a new perennial crop for biomass production, grown and used specifically as energy source (i.e. „bioenergy crop“) for combustion in boiler systems. At the end ...
  • Headspace Solid Phase Microextraction in Pesticide Residues Analysis: 1. Optimisation of Extraction Conditions 

    Djurovic, Rada; Milinovic, Jelena; Markovic, Mirjana; Markovic, Dragan
    The method of headspace solid phase microextraction (HS/SPME) was successfully used in a simultaneous multicomponent analysis of hexachlorobenzene (HCB), tefluthrin, heptachlor, aldrin, chlorpyrifos, fenthion and bifenthrin ...
  • Headspace Solid Phase Microextraction in Pesticide Residues Analysis: 2. Apple Samples 

    Djurovic, Rada; Milinovic, Jelena; Markovic, Mirjana; Markovic, Dragan
    Headspace solid phase microextraction method (HS/SPME), optimised previously for pesticide water solutions, was applied to trace residues of the pesticides chlorpyrifos, fenthion and bifenthrin in apple samples. One-hour ...
  • Health Risk Assessment of Vibration Generated by Tractor Exploitation to the Drivers 

    Cvetanovic, Boban; Cvetkovic, Miljan; Cvetkovic, Dragan
    Drivers of agricultural tractors are exposed during operation, a number of harmful effects, such as high or low temperatures, high humidity, dust, noise, etc. Among the adverse factors there are vibrations from the engine, ...
  • Heat Transfer Coefficient and Concept of Relaxation Time in Forced Air Direct Evaporative Cooling System 

    Chinenye, Ndukwu; Manuwa, Seth
    Evaporative cooling system with palm fruit fiber as cooling pad was studied at different ambient air temperature and relative humidity. Experiment was conducted with a prototyped direct evaporative cooling system for ...
  • Heavy Caterpillar Tractors and Working Machines with Alternative Power 

    Oljaca, Mico; Gligorevic, Kosta; Vukic, Djukan; Radicevic, Branko; Zlatanovic, Ivan; Dimitrovski, Zoran; Dolensek, Marjan; Jeroncic, Robert; Oljaca, Vladimir
    In this The development of electrically powered caterpillar CAT D7E began at the end of the 20th century (Caterpillar Inc, Illinois, U.S.A), a machine that has paved the way for design and development of heavy caterpillar ...
  • Hematological Effects of Herbicide Avalon® (Bentazon+Dicamba) in Rats 

    Brkic, Dragica; Szakonyne-Pasics, Ilona; Gasic, Slavica; Karan, Vesela; Radivojevic, Ljiljana; Neskovic, Nesko
    Hematological effects of the herbicide Avalon (GAL-57), a mixture of bentazon and dicamba, were tested on rats. Avalon was administered by gavage at three and four dose levels (250, 500, 1000 and 1250 mg/kg weight/day) ...
  • History and Development Trend of Production Tractors in Serbia 

    Obradovic, Dragoljub; Petrovic, Predrag; Dumanovic, Zoran; Kresovic, Branka
    This paper chronologically describes production of tractors in the world and in Serbia. The contribution of our science to the development of the tractor industry is primarily expressed through comparative testing of ...
  • Hohenheim Tyre Model - a Dynamic Model for Agricultural Tyres 

    Ferhadbegovic, Bojan; Brinkmann, Christian; Kutzbach, Heinz Dieter; Bottinger, Stefan
    Concerning the fact that tractor speed had increased in last few years concern about safety and comfort had risen. Since most tractors do not have a suspended rear axle, the suspension is done solely by the tyers. Their ...
  • How to Organise the Use of Private Own Machinery in Agriculture in the Countries of Western Balkan? 

    Johanson, Per-Olov
    Farmers in western Balkan countries are badly equipped with machinery. This is due to the small size of farms and fields and that farmers have problems financing. If they can be helped to organise the use of machinery ...
  • Hydraulic Symbols – Part Four: Directional Control Valves 

    Petrovic, Dragan; Cerovic, Vera
    The mechanization of a wide variety of production processes and operations in modern primary agricultural production, transport, storage and the accompanying food processing industry can hardly be accomplished without ...
  • Hydraulic Symbols – Part One: General Symbols and Symbols of Measuring Instruments and Indicators 

    Petrovic, Dragan; Cerovic, Vera
    Hydraulic power transfer and management systems are widely used in modern agriculture, especially in agricultural engineering and the associated processing industry. They can be very simple, but also extremely complex, ...
  • Hydraulic Symbols – Part Three: Valves 

    Petrovic, Dragan; Cerovic, Vera
    Similar to human health, the importance of hydraulics sometimes becomes apparent only in her absence. Images and motives of agricultural workers from the past times and centuries can look attractive only on paintings of ...
  • Hydraulic Symbols – Part Two: Pumps and Actuators 

    Petrovic, Dragan; Cerovic, Vera
    At the current level of technological development, it is widely accepted that survival and progress of modern agricultural technology (among other things) is based on the widespread application of electronically controlled ...
  • Hydraulic Transmission Systems in Agricultural Technics 

    Ercegovic, Djuro; Vukic, Djukan; Raicevic, Dragisa; Oljaca, Mico
    Current development of agriculture is being determined with research and implementation of new technologies and modern technical appliances which will be able to provide quality and economically approved application for ...
  • Hydrostatic Transmission Systems of Power and Motion 

    Cerovic, Vera; Petrovic, Dragan
    The paper presents and analyzes the hydrostatic transmission of power and motion. The most important elements of this group of systems and the possibilities of their application in agricultural technology are given. ...
  • Hyperthermia as a Potential Threat for Tractor Driver's Health 

    Ruzic, Dragan; Muzikravic, Vladimir; Poznanovic, Nenad
    Thermal conditions on tractor’s driver place are important factor not only for comfort but also for health of driver and working performance, thus for work and traffic safety. Tractor together with the driver may work ...
  • Hypoglycemic Effect of Herbicide 2,4-Dichlorophenoxyacetic Acid (2,4-D) 

    Mikov, Ivan; Vasovic, Velibor; Mikov, Aleksandra; Golocorbin-Kon, Svetlana; Stankov, Karmen; Mikov, Momir
    Herbicide 2,4-dichlorophenoxyacetic acid (2,4-D), a synthetic auxin which promotes uncontrolled plant growth is widely used. The aim of our study was to investigate, using an experimental model, the effect of herbicide ...