Sustainable Growing

“Why we switched to geothermal energy”

March 16, 2020

In the greenhouse horticulture sector, we need to increase our contribution to the energy transition. Although this a big challenge for many, Gebroeders Vahl – cucumber growers who have heated their greenhouses with renewable geothermal energy since 2012 – see it as an opportunity. “We can’t stay dependent on gas forever,” says Kees Vahl. “So it’s better to invest in more sustainable energy sources.”

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Sustainable Growing

Experts reflect on stone wool lettuce trials in Belgium: “The use of stone wool supports higher-quality, cleaner and more efficient hydroponic lettuce cultivation”

Grodan has recently completed the first in a series of research trials at Proefstation voor de Groenteteelt in Belgium to determine the optimal electrical conductivity (EC) levels for hydroponic lettuces when grown in stone wool blocks. In this article, two experts reflect on the findings, which show that stone wool growing media can help high-tech lettuce growers to achieve high-quality, uniform and dependable results more cleanly and efficiently than on peat.

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By Mona Nazari
Sustainable Growing

Walking the greenhouses of Leamington, Ontario: a journey into the heart of Controlled Environment Agriculture

Grodan's 'Designed to grow together' philosophy blends nature, tech, and human leadership in horticulture, as Mona Nazari explores Canadian greenhouses.

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By Grodan
Water Management
Sustainable Growing

Exploring the sustainable world of horticulture: Innovations and practices for commercial greenhouse growers

Horticulture offers sustainable agriculture through Controlled Environment Agriculture (CEA), growing diverse crops in high-tech greenhouses. Explore innovative technologies and practices in commercial greenhouse projects.

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By Vera van den Berg
Sustainable Growing

In horticulture, you can have an impact on making the world a better place

Grodan's Marketing Director Gonneke Gerkema wishes for more gender equality in the workplace. She joined the Gender Alliance for Innovation in Agriculture (GAIA). Vera van den Berg, Global Market Intelligence Manager, shares her experience as a woman in horticulture.