Biota Nutri joins forces with De Groot en Slot and REKA

Biota Nutri BV joins forces with family business De Groot en Slot and REKA Group BV. Biota develops, produces and distributes organic fertilizers for agriculture and horticulture, offering sustainable solutions to the challenges faced in vegetable and floriculture production.

This direction aligns closely with De Groot en Slot’s vision for a sustainable future for the sector. As a market leader in onion seed and active in the garden center industry as well as in the development of seaweed propagation material, De Groot en Slot represents innovation, quality and sustainability across various markets within the agricultural sector. In addition to De Groot en Slot, REKA Group BV is also participating in Biota. REKA is a carve-out from Koppert Biological Systems and builds on decades of expertise in soil health and regenerative agriculture. The company began in 2013 as part of Koppert and became an independent entity in 2024.

With REKA’s global distribution network and the experience and scope of De Groot en Slot, combined with Biota’s unique products and expertise, the three companies will ensure that Biota continues to grow. This collaboration will accelerate the development of proprietary circular methods for producing organic and vegan fertilizers from commercial residual streams, as well as the global distribution of Biota products.

Peter Klein, founder and CEO of Biota: “This partnership between De Groot en Slot, REKA and Biota is game-changing for the future of sustainable agriculture and horticulture. Together, we’re working to provide the best available products, giving all growers access to fertilizers with a low ecological footprint.”

Martin Slot, director of De Groot en Slot: “We believe in a sustainable future for the agricultural sector. Together with Biota, we want to contribute to this development and enable more sustainable cultivation for growers around the world.”

Aron Oosthoek, CEO of REKA: “Organic fertilizers are essential for improving soil health and enhancing plant resilience. Together with Biota, we can make an even greater contribution to this cause.”


About Biota Nutri BV

Biota Nutri develops and produces circular methods for creating organic and vegan fertilizers from commercial waste streams, which can be used by agricultural companies around the world. Their mission is to contribute to a world where circular and organic cultivation is accessible to everyone. They achieve this through continuous research and development in the recovery of nutrients from (plant-based) waste streams.


About De Groot en Slot

Family-owned company De Groot en Slot is a market leader in onion seed and is active in the garden center industry and in breeding and producing propagation material for seaweed. For generations, the company has used its expertise to deliver high-quality products and advice, using modern technology that meets the needs of growers, consumers, and the market. De Groot en Slot stands for innovation, quality, and sustainability in various markets within the agricultural sector.


About REKA Group BV

With production facilities and partnerships in the Netherlands, Kazakhstan and India, REKA develops and supplies innovative solutions that strengthen plant resilience and improve soil quality. By combining scientific innovation with practical applications, REKA helps farmers and growers increase yields and achieve sustainable agriculture.


For more information, please contact info@biota.nu

From left to right: Martin Slot (De Groot en Slot), Eric Egberts (REKA), Peter Klein (Biota), Tom Hoogcarspel (Biota), Tom Pover (De Groot en Slot), and Aron Oosthoek (REKA).

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