Wheat crop
Tessenderlo Kerley

Crop Nutrition

Producer of sulfur-based specialty fertilizers for agriculture.

Products
Nitrification Inhibition Rectangle

Prevent Nitrogen Loss

Learn how by adding Thio-Sul to your liquid nitrogen blends, you can both protect against nitrogen losses as well as provide essential sulfur your crops need to thrive.

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soybean rows

Crops

Learn more about specific crop nutrition.

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Agronomist with Sprinklers

Meet Our Agronomists

Meet our highly educated and experienced agronomists who are positioned to provide growers with expert guidance and product knowledge that is specific to their location in the U.S.

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Seedling in Soil

Sustainability

Sustainability and stewardship are our business model. 

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Latest Blogs

  • The value of calcium in melons

    The Value of Calcium in Melon Production

    Did you know that the nutrient calcium (Ca) plays a critical role in fruit quality long after harvest? Providing a soluble form of calcium at critical growth stages in-season, helps to promote strong cell walls and extend produce shelf life after harvest.

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  • Young Potato Field

    How to Boost Potato Yield with Seed-Safe Potassium

    It’s no secret that potatoes are a nutrient demanding crop, especially for potassium. In the first 6-10 weeks, potatoes will take up the majority of nutrients needed in the entire growing season. Being that a potato requires large amounts of potassium, getting an early boost of nutrients it needs at planting is beneficial for several reasons.

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  • Soybean Field

    In-Season Potassium and Sulfur Fertility in Soybeans

    In a corn-soybean rotation within the Midwest, soybeans can often be overshadowed by the focus on a strong nutrient management program for a corn crop. However, considering the yield potential and genetics in place today, soybean fertility programs need thoughtful consideration as well. We know that when it comes to nitrogen, soybeans are for the...

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Pivot Irrigation

For over 100 years,

Tessenderlo Kerley, Inc. has demonstrated its commitment to nurturing crop life through innovation, research, and the development of Tessenderlo Kerley fertilizers. Our diverse product portfolio addresses the challenges of modern agriculture by combining essential nutrients to improve soil health, reduce nitrogen loss, increase water infiltration and maximize nutrient uptake.

About Us