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Sustainable specialty fertilizers

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A unique range of high-performance sulfur-based liquid, solid and soluble fertilizers for more precise plant nutrition to optimize crop yield, quality, and sustainability.
Our range of products
  • reduction of energy

    Our journey towards a more sustainable future

    See how the conversion of our furnaces leads to a cleaner energy source.
  • corn France

    How CaTs® can help improve sodic soil structure

    Régis, Lead Agronomy Manager of Tessenderlo Kerley, explains the challenges of a sodic soil at the corn fields in France, and how we can solve this in our new People on the Field video.
  • Berries

    Growing berries in Morocco

    Discover how our Thio-Sul®, KTS® and CaTs® fertilizers have impacted berry quality and micronutrient uptake. They also helped solve specific problems in the blueberry and raspberry growing process, such as low temperatures, high pH and salinity in soil and water in this Moroccan berry farm.
  • blandina barge

    Ensuring 4,500 less truck deliveries each year

    Thanks to our barge Blandina, which is transporting hydrochloric acid from our Tessenderlo Kerley plant in Ham (Belgium) to the site of Kuhlmann Europe in Loos (France), we are ensuring 4,500 less truck deliveries each year. Therefore, this waterway transport approach means that approximately 1.6 million km of road travel is avoided each year. You...
  • uienteelt

    CaTs®, a new calcium fertilizer applied in onion cultivation

    Calcium is an important element for plants in addition to nitrogen, potassium and phosphate. Often the amount of calcium in the soil is not a problem but the uptake can be limited. This is due to the presence of sulfate, carbonate and phosphate. Calcium compounds with these ions in fact dissolve poorly. Because of the divalent charge of calcium it...
  • tomatoes

    Amazing results on tomatoes in Costa Rica

    Location: Naranjo, Alajuela, Costa Rica Farm: Chicago farm, Carrot Export company Crop: tomatoes, variety Turrialba Application done through drip fertigation. Agronomist: Elizabeth Moreno Demo field trial with CaTs® and MagThio® on tomato crops CaTs® and MagThio® liquid fertilizers are being applied through the crop cycle...
  • melons

    How to grow juicy fleshy melons in Costa Rica

    How we love to eat juicy sweet fleshy melons or mix them in our smoothies. Our agronomist Elizabeth works closely with Melones del Sol in Costa Rica to grow the most juicy ones. Location: Nandayure, Guanacaste, Costa Rica Farm: Melones del Sol Costa Rica CaTs® is applied from sowing (transplanting) up to post-flowering and KTS® from fruit...
  • citrus

    A story about citrus and the difficulty to uptake micronutrients

    At the citrus farm in the province of Sidi Kacem, Morocco they grow several varieties of clementines and oranges. The challenge for this orchard is the difficulty for trees to uptake micronutrients from the soil. Discover the whole story of how Lahcen, our agronomist and Ibrahim solved this problem with our liquid fertilizer Thio-Sul®, a source of...
  • fleuren

    Acquisition of storage and transshipment assets in the Netherlands

    Tessenderlo Group has agreed to acquire the assets of B.V. Fleuren Tankopslag, a tank storage and transshipment company for liquid products located in the Port of Cuijk (the Netherlands). The acquisition is expected to be completed by May 1, 2022, at the latest. After completion of the acquisition, Tessenderlo Group intends to integrate the...
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