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Sustainable Growing
Grodan’s research into pepper wilting leads to new recommendations about the use of oxidising agents
In response to the emergence of what has become known as ‘pepper wilting’ in high-tech greenhouses, Grodan initiated and contributed to extensive international research to better understand the complex interaction between pathogen presence, plant stress and hygiene practices. Findings from this research indicate that the presence of oxidising agents, which are primarily applied for the control of biofilm within irrigation lines, may act both as a trigger and as a modifier of symptom expression.
Sustainable Growing
Low-heat, full-LED trial on track to achieve higher yields and better quality in larger truss tomatoes
The mid-year results from the low-energy tomato trial initiated by Grodan and Philips Horticulture LED Solutions indicate that not only cherry tomatoes, but also larger truss tomatoes can be grown successfully with reduced heat input in a full-LED setup. Importantly, another major goal of this trial is to demonstrate to growers of Macxize XR (Axia seeds) how blotchy ripening (green spots), a troublesome potential quality issue in this high-yielding variety, can be reduced by adjusting the nutrient balance – specifically the potassium and nitrogen ratios.
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 in Agriculture
Brussels, Belgium, 20-11-2025 – Grodan recently hosted the stakeholder event “Advancing Water Resilience in Agriculture: Innovative Solutions for a Sustainable Future”, highlighting the growing importance of water resilience in agriculture.
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.
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Latest News
Press Release
19 Sep 2025
Grodan puts vermiculite-free growing within reach for tomatoes, peppers and cucumbers
Grodan, a leading specialist in stone wool growing media, has developed a patented vermiculite-free solution for high-tech propagation of tomatoes, peppers and cucumbers. The new plugs and blocks improve the sowing process while maintaining optimal germination rates and top-performing plant quality in both the propagation and cultivation phase.
Press Release
25 Sep 2025
Grodan and Signify start third year of low-energy trial to test holistic approach on larger tomatoes on the vine
In its second year, a trial from Grodan and Signify demonstrated it's possible to produce high-quality cherry tomatoes with significantly less heat input than previously thought, without compromising on quality and taste. Building on these results and a commitment to low energy growing, the partners are extending this year the trial at Botany to larger tomatoes on the vine.
Press Release
23 Jul 2025
Grodan and Hoogendoorn announce partnership to integrate GroSens rootzone data into IIVO climate computer
Grodan, a global leader in innovative stone wool substrate solutions for professional horticulture and Hoogendoorn Growth Management, a global leader and innovator in horticultural automation, have joined forces to integrate rootzone data from Grodan’s GroSens sensors directly into the IIVO climate computer. This integration provides growers with direct access to accurate, reliable rootzone sensor data - enabling smarter, faster, and more precise irrigation decisions.
General
11 Jun 2025
View accurate and reliable real-time GroSens data in your existing greenhouse management system
Do you ever wish you could view your irrigation data alongside data about other greenhouse parameters, without having to switch between platforms? Thanks to the new API functionality of GroSens Suite, you can – with no extra hardware necessary!
Press Release
01 Oct 2024
Another growing season for Grodan and Signify to pioneer additional energy efficiency improvements and enhance plant performance in tomato
Horst, Limburg, the Netherlands Grodan, the global leader in supplying innovative, sustainable stone wool growing media solutions for the professional horticulture industry, has teamed up again with Signify, the world leader in lighting, to conduct a second research trial at Botany in the Netherlands to optimise year-round tomato cultivation.
General
30 May 2024
Grodan to Host Crucial Event on Water Management in Agriculture and Food Production during EU Green Week 2024
Brussels, Belgium, June 26, 2024 – In the context of the EU Green Week 2024, Grodan is organizing a timely workshop on water management in agriculture and food production. This event aims to address the critical challenges posed by water scarcity and inefficiency in agriculture, with a focus on sustainable food production practices in Europe.