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20250724 RW-GREA PHO 1684
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.

20181024 RW-GR PHO 36
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?

20240214 RW-GR PHO 1301
By Andrew Lee
Water Management
Sustainable Growing

Drain is not the goal in precision irrigation

Besides helping growers to achieve their sustainability goals, efficient water management plays a crucial role in maintaining plant health. Realising or steering towards a certain drain volume or drain percentage per day should not be your goal. Instead, the goal should be optimising your irrigation strategy to provide your crop with precisely the amount of water and nutrients it needs. This will ensure the development of a strong and healthy root system, leading to consistently good plant growth, fruit quality and a higher total production. Grodan’s Andrew Lee explains how.

20181022 RW-GR PHO 7
Sustainable Growing

Rooted in Science: Grodan's research into pepper wilting

Since 2022, a limited number of high-tech greenhouse pepper growers worldwide have faced a rapid and severe form of wilting that posed a threat to crop production. This has left growers searching for answers. In response, Grodan funded rigorous, independent research, collaborating with a wide range of industry partners to analyse all potential contributing factors. Findings to date currently point to a specific isolate of the pathogenic fungus Fusarium as the cause. Today in the Netherlands and Belgium the isolate it is referred to as Fusarium oxysporum radicis capsici (FORC). In Canada it is referred to as Fusarium Oxysporum Species Complex (FOSC). It is highly pathogenic and specific to peppers. Initial scientific reports also show that wilting caused by the Fusarium isolate can occur in both stone wool and organic substrates.

20250626 RW-GREA PHO 1677
Sustainable Growing

Circular solutions in horticulture. How sustainable production and efficient operations work hand in hand

Brussels, Belgium, June 24, 2025 – As part of the EU Green Week 2025, Grodan organised a workshop on ‘Circular solutions in horticulture. How sustainable production and efficient operations work hand in hand’. The event explored how circular approaches can support more efficient and sustainable horticultural practices across Europe.

20241209 RW-GR PHO 1566
By Lise Maibom
Water Management
Sustainable Growing

Trials underline the importance of an optimised irrigation strategy for lettuce

In comparison to other high-tech crops grown commercially, much less research has been done into cultivating lettuce on stone wool. At Grodan, we are keen to help increase the availability of science-based information by conducting lettuce trials with respected partners.

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Latest News

20250723 RW-GREA ILLUS 404
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.

20250610-RW-GREA PHO 1669
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!

20240214 RW-GR PHO 1314
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.

Grodan water drop
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.

20210209 GR PHO5354
Press Release
05 Mar 2024

ROCKWOOL Roermond to accelerate CO2 reduction with electrification of melting process

ROCKWOOL's Roermond plant takes a crucial step in electrifying two production lines, aligning with the science-based CO2 reduction targets for 2034 and net-zero emissions by 2050.

20240304 RW-GR PHO 1332
Press Release
04 Mar 2024

Breaking Boundaries: Continual strawberry yields defy winter dormancy in ground-breaking trial by Grodan and Fluence at Wageningen University & Research

Grodan & Fluence, horticultural leaders, share mid-term results of a breakthrough trial at Wageningen Uni. , transforming winter hydroponic strawberry cultivation with stone wool and advanced LED tech boosts strawberry growth & quality and keeping the plants out of dormancy.