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On an annual basis Grodan organizes the International Propagation Seminar.

This event is intended as an international platform for propagators and their suppliers (seeds, machines, etc.) to facilitate knowledge exchange and networking opportunities. By sharing the latest developments and insights in the area of propagation during a 2-day program we aim to inspire this important target group.

Welcome and introduction to Horticulture 4.0 - by Vincent Deenen

Director Marketing Vincent Deenen of Grodan opens the Seminar, and shares his vision on the impact of digitalisation in the horticultural industry and in particular professional propagation.

Things are getting complicated - by Arne van Aalst

Director Sales North West Europe of Koppert gives his view on developments regarding biological crop protection and natural pollination in propagation.

Succesfull Healing of Grafted Seadlings - by Jack Mooney

Jack Mooney (nursery manager Costa Group, tomato grower in Australia) gives insight in his extensive knowledge about healing techniques with grafted seadlings.

It's all about balance - by Eric Hegger

Eric Hegger of Nova crop control gives insight in how plant sap analysis can be used to optimize nutrition strategy

Can we speed up classic breeding processes? - by Mike Poodt

Presentation of Mike Poodt of vegetable breeding company Rijk Zwaan. In this presentation Mike shares how Rijk Zwaan is looking at innovative ways to speed up classic breeding processes

How power of data results in new product development - by Thomas Peters

Thomas Peters, is crop consultation propagation at Grodan and shares in his presentation how data of the rootzone results in new product development at Grodan

Our latest blogs

Sustainable Growing

Asian Propagation Seminar in Tokyo Highlights Clear ROI of High-Tech Propagation

The first Asian Propagation Seminar (APS) took place on 19–20 November in Tokyo, bringing together leading propagation experts, equipment providers and hundreds of growers and propagators from across the Asia-Pacific region. The central takeaway: investments in modern propagation — from advanced substrates to automation and LEDs — deliver clear, measurable returns.

Water Management
Sustainable Growing

Advancing Water Resilience through Controlled Environment Agriculture

Agriculture accounts for roughly 70 percent of global freshwater use, and extreme weather events—droughts, floods, and unpredictable rainfall—are putting even greater stress on the systems that feed us. Strengthening water resilience requires not just incremental efficiency gains, but a rethinking of how and where we grow crops.

Water Management
Sustainable Growing

Why seeds on stone wool are the recipe for higher-value strawberry production

Against the backdrop of the accelerating market transformation from low-tech to high-tech strawberry production, initial results from an innovative trial demonstrate the excellent compatibility between F1 hybrid strawberry seeds and Grodan stone wool solutions.

Sustainable Growing

Zero Pesticide Residue – The New Standard in Greenhouse Production

In the era of advanced technology and increasing consumer awareness, the modern greenhouse is not just a place of production but a true laboratory of innovation and an ecological bastion of food safety. Growers, who just decades ago focused mainly on efficiency and fighting plant diseases and pests, now face a completely new challenge: how to produce fruits and vegetables without chemical crop protection residues, while meeting the market’s ever-growing expectations?

We are a global leader in the supply of innovative stone wool substrate solutions for the professional horticultural based on Precision Growing principles.

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