Greenhouse Management Vegetables (23 – 25 October 2019)

A practical course for people working in the horticultural hightech industry . The emphasis is on production in modern Greenhouses of vegetables like tomato, cucumber, pepper.
Vegetable cultivation is increasingly important in horticulture worldwide. This course will provide knowledge and skills to practice the basics of producing vegetables like, physiology, climate and waterstrategy.. In this three-day intensive course theory and practical assignments are combined with field trips to relevant companies. The outline below is a proposed outline and will be adjusted for each group of participants to fully meet their demands.

Time & Duration
3 consecutive days (9am – 5pm)

Course Date
23 October 2019 up to and including 25 October 2019

Delphy Improvement Centre
Violierenweg 3, 2665 MV Bleiswijk, The Netherlands

Course Program (changes may occur for organisational reasons)

Day 1: General introduction,  plantphysiology and climate

  • Introduction of program, participants and Delphy.
  • Overview greenhouse sector worldwide and the Netherlands, status quo, trends and developments.
  • Plant physiology and optimizing photosynthesis. All processes in plant: Photosynthesis, respiration, transpiration, etc. and their relations for optimization of production. Generative/vegetative, LAI.
  • Field visit to the trials at Delphy Improvement Centre.
    Greenhouse climate, including the Mollier diagram. Influence of climate setting on plantdevelopment, production and quality.

Day 2: Irrigation, fertigation, Next generation growing

  • Irrigation general introduction.
    How does the plant take up water and fertilizer. Relation with humidity, temperature and radiation.
  • Irrigation and fertigation to apply, function, problems specific, calculation.
  • High tech greenhouse installations: screening, artificial light use.
  • Field visit to a seed company.

Day 3: propagation, pest & diseases, labour

  • Field visit to a package station.
  • Hightech crops need perfect plantmaterial, propagation has big influence for final result.
  • Pests & Diseases
    Integrated Pest Management (IPM) to control pests by monitoring and using benificial insects that eat or parasitize target pests. The use of chemicals is reduced to a minimum level only for support of biological control.
  • Labour management.
  • Evaluation and formal closure with certificate.


€ 2.250,= (excluding VAT)

Registration form for participation:

Registration Delphy course Greenhouse Management Vegetables (23 October 2019 - 25 October 2019)

I would like to participate and register for this course.

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More information
Send an e-mail to: our education department