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Our profile > Completed Projects

Projects by Elly Nederhoff & Bert Houter

  • Improving energy efficiency in greenhouses (2006-2008)
  • Developed CropRecord™ and CropAdvice™ (2006-2008) 
  • Writing for magazines (ongoing).  List of publications under Articles & Reports

    Projects by Elly Nederhoff

  • Investigating energy efficiency in greenhouses (2003-2006)
  • Examined current practices of root disease prevention and control (2001-2003)
  • Water treatment using UV radiation against Pythium root rot (2001)
  • Water treatment for hydroponic lettuce using hydrogen peroxide (2002)
  • Root-zone temperature control and incidence of Pythium root rot (1999)
  • Selecting optimal water treatment technique (2002)
  • Producing technical leaflets on a wide range of water treatment techniques (2000-2003)
  • Water treatment using ozonation for large nursery (2003)
  • Greenhouse humidity control and effects on Botrytis disease in tomato (1997)
  • Growing greenhouse capsicum in hydroponics under New Zealand conditions (1996)
  • Avoiding blossom-end rot by nutrition control in hydroponic tomatoes (1998)
  • Pre- and post-harvest effects on capsicum fruit quality (1998)
  • Plant nutrition in National Climate Laboratory (1997-2000)
  • Plant nutrition in soilless systems (1999)
  • CO2 enrichment in a large commercial greenhouse operation (1997-1998)
  • Consultancy to Greenhouse Research facility in Australia (1999-2001)
  • Problem solving for growers funded by Technology New Zealand (1998-2003)
  • Enhancing greenhouse climate control software (1995-1998)
  • Calculating carbon balance of greenhouse tomato production (1997)
  • Test of a growth stimulant in lettuce in hydroponics and in potting-mix (1998)
  • Commercial research project on computer for greenhouse climate control (1995-1998)
  • Research of effect of root-zone temperature in hydroponics, and setting up the technology (1997-1998)
  • Maintaining very high humidity (98% RH) in a controlled growing environment 
  • Effects of CO2 enrichment on photosynthesis, transpiration and crop growth (PhD research, 1988-1994)
  • Calcium-related physiological disorders in plants, including blossom-end rot in tomatoes and capsicums, short leaves in tomatoes, brittle leaves in eggplant (1988-1994).
  • Measuring photosynthesis of a whole crop in a greenhouse over many days (1988-1994)
  • Measuring transpiration and water use of greenhouse crops (1990-1994)
  • Optimal use of natural light in a greenhouse, including light distribution in a crop (1982-1985)
  • Developing a method to measure ventilation and photosynthesis in a greenhouse (1982-1985)
  • Greenhouse climate control: temperature, humidity, CO2, energy (1982-1985)
  • Benefits and costs of artificial lighting in greenhouses (1984-1985)
  • Plant sensitivity to various air pollutants (1986-1990)

    Projects by Bert Houter

  • Research projects on greenhouse climate control, energy conservation, plant protection and production for vegetables and flower crops (Naaldwijk, Netherlands, 2003-2006).
  • Prototyping computers for climate control, irrigation control, plant sensors (Priva computers, The Netherlands, 1991-2003).
  • Research project on measuring, modelling and validating greenhouse energy requirements, CO2 enrichment and crop production (Naaldwijk, Netherlands, 1987-1991).
  • Research project ‘Transpiration of a tomato crop’  (Littlehampton, UK, 1987)