Crop Vitality Liquid Fertilizers from Tessenderlo Kerley, Inc.

Enhance crop quality efficiently and economically with Crop Vitality Liquid Fertilizers in your fertility program. You’ll benefit from 70 years of insight into how to do it right.

Get More Out of Your Nutrients

The family of Crop Vitality liquid fertilizers, soil amendments and nitrogen stabilizers help crops reach their full genetic potential while improving the performance of other plant nutrients in your fertility program.

Thio-Sul is a liquid ammonium thiosulfate solution that helps increase yields by satisfying a crop’s essential need for nitrogen and sulfur.

KTS is a clear, chloride-free solution with the highest potassium and sulfur content available on the market.


K-Row 23 is a chloride-free, potassium and sulfur fertilizer developed for starter and in-furrow (pop-up) fertilizer applications.


CaTs is a clear liquid fertilizer, soil amendment and nitrogen stabilizer containing 100% soluble calcium and sulfur.

MagThio is a liquid magnesium and sulfur fertilizer that corrects nutrient deficiencies and enhances crop quality.

N-Sure is a versatile slow release nitrogen fertilizer that can be foliar or soil applied for maximum nitrogen performance.

Crop Vitality Delivers

growth through education


From new fertilizer blends to field trial results, our Crop Vitality Specialists become an extension of your business – a personal resource with high-value insights and hands-on expertise you can tap into 24/7.

greater versatility & value


Highly soluble and easy-to-handle, Crop Vitality products blend with most liquid fertilizers and crop protection products. They can be tank-mixed and applied using liquid applicators and through irrigation systems, so you can prescription-feed crops in the right location for faster uptake and less nutrient loss.

reliable network support


Timing is everything. That’s why we’ve built a solid, national network of plants, terminals, railcars and trucks guaranteeing you have the product you need – when and where you need it.

Expertise You Can Count On

We’re more than a manufacturer. We’re problem solvers and business partners.


Our team of Crop Vitality Specialists and Agronomists are passionate about helping you succeed – they provide local knowledge and insights in crop nutrition that deliver a competitive advantage.

contact a crop vitality specialist