Jacco Verheul Manager Delphy Improvement Centre

In our modern greenhouse facilities new cultivation concepts and technical installations are researched and demonstrated. All our activities are focused on a practical application and a sustainable and profitable horticulture worldwide.
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+31 (0) 6 51 02 76 73
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Jacco contributed to the following projects and research

Mechanical pollination and maximum screening

10 February 2026
Research into the potential of mechanical pollination under full-LED in tomato cultivation at Delphy Improvement Centre.
research

Lily under LED: the physiology of leaf problems

9 February 2026
Research into the physiological causes of leaf problems and to develop tools for robust, energy-efficient LED cultivation of lilies.
research

Bedding plants resilient fossil-free

17 September 2025
Growing bedding plants with low fossil energy input, without loss of quality or increased losses due to diseases and pests.
research