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Πλοήγηση ανά Συγγραφέα "Fountas, S."

Αποτελέσματα 1-20 από 35

    • 2D and 3D soil moisture imaging using a sensor-based platform moving inside a subsurface network of pipes 

      Gravalos, I.; Moshou, D.; Loutridis, S.; Gialamas, T.; Kateris, D.; Bompolas, E.; Tsiropoulos, Z.; Xyradakis, P.; Fountas, S. (2013)
      In this study a prototype sensor-based platform moving inside a subsurface network of pipes with the task of monitoring the soil moisture content is presented. It comprises of a mobile platform, a modified commercial soil ...

    • Application of variable rate fertilizer in a commercial apple orchard 

      Liakos, V.; Tagarakis, A.; Vatsanidou, A.; Fountas, S.; Nanos, G.; Gemtos, T. (2013)
      The spatial variability of yield in an apple orchard is high due to the inherent soil variability and the impact of the environment on the trees. One practice of precision agriculture is the variable rate application (VRA) ...

    • Can compliance to crop production standards be automatically assessed? 

      Nash, E.; Vatsanidou, A.; Fountas, S. (2009)
      In this paper we present an analysis of the possibility of producing a largely automated assessment of compliance to crop production standards. This would assist farmers in meeting requirements imposed by public and private ...

    • Economic potential of robots for high value crops and landscape treatment 

      Pedersen, S. M.; Fountas, S.; Blackmore, S. (2007)
      In recent years, the development of robotic vehicles in agriculture has experienced an increased interest which has led many researchers to start exploring the possibilities of developing more rational and adaptable vehicles ...

    • Emerging Footprint Technologies in Agriculture, from Field to Farm Gate 

      Fountas, S.; Bartzanas, T.; Bochtis, D. (2011)

    • Energy analysis of three energy crops in Greece 

      Gemtos, T. A.; Cavalaris, C.; Karamoutis, C.; Tagarakis, A.; Fountas, S. (2013)
      To assess the potential of energy crops to provide a stock material for biofuel production three crops (rapeseed, sunflower and sweet sorghum) were studied in field experiments in Thessaly, Central Greece in 2007 and 2008. ...

    • Environmental and economic evaluation of N fertilizer rates in a maize crop in Italy: A spatial and temporal analysis using crop models 

      Basso, B.; Sartori, L.; Cammarano, D.; Fiorentino, C.; Grace, P. R.; Fountas, S.; Sorensen, C. A. (2012)
      Crop simulation models have the potential to assess the risk associated with the selection of a specific N fertilizer rate, by integrating the effects of soil-crop interactions on crop growth under different pedo-climatic ...

    • Farm machinery management information system 

      Fountas, S.; Sorensen, C. G.; Tsiropoulos, Z.; Cavalaris, C.; Liakos, V.; Gemtos, T. (2015)
      Management of farming operations is currently rapidly changing toward a systems perspective integrating the surroundings in terms of environmental impact, public entities and documentation of quality and growing conditions. ...

    • Farm management information systems: Current situation and future perspectives 

      Fountas, S.; Carli, G.; Sorensen, C. G.; Tsiropoulos, Z.; Cavalaris, C.; Vatsanidou, A.; Liakos, B.; Canavari, M.; Wiebensohn, J.; Tisserye, B. (2015)
      Farm Management Information Systems (FMIS) in agriculture have evolved from simple farm record-keeping into sophisticated and complex systems to support production management. The purpose of current FMIS is to meet the ...

    • Feasibility of a modelling suite for the optimised biomass harvest scheduling 

      Bochtis, D. D.; Sorensen, C. G.; Green, O.; Bartzanas, T.; Fountas, S. (2010)
      It has been estimated that 1/3 of forage grass is harvested drier than the optimum moisture content while another 1/3 is harvested while too wet This indicates that dedicated systems supporting decisions that affect grass ...

    • A five-point penetrometer with GPS for measuring soil compaction variability 

      Fountas, S.; Paraforos, D.; Cavalaris, C.; Karamoutis, C.; Gemtos, T. A.; Abu-Khalaf, N.; Tagarakis, A. (2013)
      Measuring soil compaction is a factor of interest to monitor soil fertility, which plays an important role in crop production cycle. Soil penetration resistance is the most commonly used method to measure soil compaction. ...

    • Flower spatial variability in an apple orchard 

      Aggelopoulou, A. D.; Bochtis, D.; Koutsostathis, A.; Fountas, S.; Gemtos, T. A.; Nanos, G. D. (2009)
      Precision pomology is the application of site-specific management into orchards. Orchards produce high value crops and the application of site-specific management has high potential. Finding plant or soil characteristics ...

    • A four nation survey of farm information management and advanced farming systems: A descriptive analysis of survey responses 

      Lawson, L. G.; Pedersen, S. M.; Sorensen, C. G.; Pesonen, L.; Fountas, S.; Werner, A.; Oudshoorn, F. W.; Herold, L.; Chatzinikos, T.; Kirketerp, I. M.; Blackmore, S. (2011)
      The aim of this paper is to present the descriptive results of the survey responses that explore the perception of advanced information systems among four European countries: i.e. Denmark, Finland, Germany and Greece. The ...

    • FutureFarm: Addressing the needs of the European farm of the future: Findings of the first two years 

      Blackmore, S.; Apostolidi, K.; Fountas, S. (2010)
      In the future, European farmers will have to effectively manage information on and off their farms to improve economic viability and to reduce environmental impact. To this end, an integrated information system is needed ...

    • A fuzzy inference system to model grape quality in vineyards 

      Tagarakis, A.; Koundouras, S.; Papageorgiou, E. I.; Dikopoulou, Z.; Fountas, S.; Gemtos, T. A. (2014)
      Fuzzy inference systems (FIS) are particularly suited for aggregating multiple data to feed multi-variables decision support systems. Moreover, grape quality is a complex concept that refers to the simultaneous achievement ...

    • Management information system for spatial analysis of tractor- implement draft forces 

      Tsiropoulos, Z.; Fountas, S.; Gemtos, T.; Gravalos, I.; Paraforos, D. (2013)
      With the recent increases in fuel costs, producers are searching for ways to minimize costs and to increase productivity. The ability to monitor and collect data about tractor/implement performance can benefit farm machinery ...

    • Management strategies and practices for precision agriculture operations 

      Fountas, S.; Pedersen, S.; Sorensen, C.; Chatzinikos, A.; Pesonen, L.; Basso, B.; Vougioukas, S.; Nash, E.; Gemtos, T.; Blackmore, S. (2009)
      This paper presents a holistic farm management system combining formal management strategies, personal management goals and the technology used. The personal management goals have been identified and analysed. Six field ...

    • Management zones delineation using fuzzy clustering techniques in grapevines 

      Tagarakis, A.; Liakos, V.; Fountas, S.; Koundouras, S.; Gemtos, T. A. (2013)
      Precision viticulture aims at managing vineyards at a sub-field scale according to the real needs of each part of the field. The current study focused on delineating management zones using fuzzy clustering techniques and ...

    • Management zones delineation using fuzzy clustering techniques in vines 

      Tagarakis, A.; Liakos, V.; Fountas, S.; Koundouras, S.; Aggelopoulou, K.; Gemtos, T. (2011)
      This paper presents the results of applying precision agriculture in a 1 ha commercial vineyard in Greece in 2009 and 2010. A field elevation map was produced using RTK-GPS. Soil electrical conductivity was measured using ...

    • Performance of cotton residue collection machinery 

      Ntogkoulis, P. A.; Bochtis, D. D.; Fountas, S.; Berruto, R.; Gemtos, T. A. (2014)
      Cotton is an important crop in Greece, covering more than 255,000 ha every year. Apart from the lint and seed, cotton produces large amounts of residues that can be used for energy production. The aim of this work was to ...