News

Mid-January, the final permits for the Tessenderlo Kerley Geleen Thio-Sul® production facility were granted and since then, work on the new plant has been running at full speed. As was the case with the construction of our Thio-Sul® plant in Rouen, France, which was completed in 2017, all of the construction works are being supervised by one main...

In the agricultural world, a demonstration always beats an explanation. That’s why Crop Vitality has 107 acres of farmland in Dinuba, California: to prove the value of its Tessenderlo Kerley sulfur-based fertilizer products on crops in some of America’s most productive farmland. “There are so many crop nutrition offerings out there, and a lot of...

Tessenderlo Group is pleased to announce that it has signed an agreement to acquire the marketing and sales activities for ammonium thiosulfate (ATS) fertilizers produced by Esseco Srl (part of Esseco Group) in Trecate, Italy. These ATS fertilizers will be marketed by Tessenderlo Group’s business unit Tessenderlo Kerley International. Tessenderlo...

Today Tessenderlo Kerley International held a groundbreaking ceremony to start the construction works for its new liquid fertilizer plant at the Chemelot site in Geleen, the Netherlands. Tessenderlo Kerley International is constructing a Thio-Sul® (ammonium thiosulfate/ATS) manufacturing plant, which will be used as a fertilizer for broad-acre...

Students at one Arizona high school are back in the chemistry learning game thanks to an analytical balance and other lab equipment donated by Tessenderlo Kerley, Inc.

Tessenderlo Kerley’s Crop Vitality research farm in Dinuba, California donated 13 ½ tons (504 bales) of hay for livestock displaced by the fire, as the Oak Fire continues to rage.

Tessenderlo Kerley team in Eufaula sponsored the Action Marine Kids’ Fishing Rodeo, hosted by the Eufaula Community Center. In addition to the sponsorship, Tessenderlo Kerley provided logoed drawstring backpacks, stainless steel water bottles, and beach balls to 80 underprivileged kids aged 6 to 18 who spent the day learning how to fish and playing...

Tessenderlo Kerley created a company-wide goal to write and send letters to the seniors selected by Love For Our Elders for July. By the end of the month, Tessenderlo Kerley collectively wrote and sent a total of 153 letters to those seniors.

Tessenderlo Kerley donated $1,000 to helping provide new backpacks and other much-needed school supplies for nearly 800 children in and around Dumas, TX.

Sulfur (S) is often referred to as the fourth most essential nutrient in crop production and is an important component of amino acids and proteins. In the soil profile, sulfur is a mobile nutrient and exists as plant available sulfate (SO 4 2-) and as organic sulfur that is stored in organic matter. Most crops require around a 10:1 nitrogen (N) to...

PHOENIX, ARIZONA, Aug. 31, 2022 – Tessenderlo Kerley, Inc. held a celebratory groundbreaking to mark the commencement of construction on a new liquid fertilizer facility in Defiance, Ohio. The new 50,000-square-foot production facility will occupy 50 acres and is set to become operational in 2024.

August 19, 2022 We are pleased to announce that Tessenderlo Kerley, Inc., part of Tessenderlo Group, has acquired the product line Lannate® from Corteva Agriscience. NovaSource will add the Lannate product line to its existing, diversified portfolio of niche crop protection products for agriculture customers worldwide. This product is used to...

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.

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...

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

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.

Tom Fairweather’s lifelong commitment to innovation and making life easier for growers through quality crop nutrition earned him the Ned van Buren Lifetime Service Award, an annual honor established by the Fluid Fertilizer Foundation.

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...

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...

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 filling...

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...

New Fertilizer Plant Will Serve the Agriculture Needs of Eastern Great Lakes PHOENIX, ARIZONA, December 21, 2021 – Tessenderlo Kerley, Inc., part of Tessenderlo Group, is pleased to announce that it plans to construct a new plant in Defiance, Ohio serving the Eastern Great Lakes region. The new facility will focus on the leading liquid sulfur-based...

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...

Because apples are stored for a specific period by the farmer and due to some coloring issues Mohammed, an apple grower in Midelt, Morocco, uses our liquid fertilizers KTS® and CaTs®. Watch our new customer story of Mohammed and how our agronomist Lachen supports him to get a better harvest. Watch here