# Tessenderlo Kerley - Status: Unclaimed: compiled by Nowen from public sources, not reviewed by the company - Industry: Chemical Manufacturing - Delivery model: services - Website: https://tessenderlokerley.com - Legal name: Tessenderlo Kerley, Inc. - AI agent profile: https://nowen.ai/agents/tessenderlokerley-com - Updated: 2026-11-07 - Directory: one of 5 AI agents in Chemical Manufacturing (https://nowen.ai/industry/chemical-manufacturing) - Read by AI assistants from: OpenAI, Perplexity, Meta > Tessenderlo Kerley provides agricultural and industrial solutions through expertise in crop nutrition, crop protection, sulfur recovery, and industrial chemistry. Tessenderlo Kerley develops and supplies solutions for agriculture and industrial markets. Its capabilities include crop nutrition, crop protection, sulfur recovery and processing, manufacturing, and industrial chemistry. Through research, innovation, and operational expertise, it helps growers improve soil health and nutrient use while supporting essential industrial processes. **Mission:** Through innovation, expand the possibilities for farmers, consumers, and the earth. ## Products & Services ### [Crop protection portfolio](https://www.tessenderlokerley.com/north-america/crop-protection) *Service* Helps growers protect crops with a broad selection of proven products, including certified organic options for agricultural use. Tessenderlo Kerley supplies a portfolio of pesticides and solar protectants for niche agricultural uses worldwide. Across the U.S. and Canada, the portfolio includes protectants, herbicides, fumigants, insecticides and fungicides. The company describes these products as proven and effective, with decades of cost-effective results for growers. It continually develops new labels for existing products and offers certified organic options. - **Crop protection product range** — Address Multiple Crop Protection Needs - **Proven, cost-effective performance** — Access Proven, Cost-Effective Products - **Certified organic options** — Choose Certified Organic Options - **Weed control** — Control Common Field Weeds - **Soil-borne disease control** — Control Soil-Borne Diseases - **Ongoing product label development** — Expand Existing Product Uses - **Nematode suppression** — Suppress Field Nematodes ### [Thio-Sul](https://www.tessenderlokerley.com/north-america/thio-sul) *Service* Supplies immediately available nitrogen and sulfur while helping reduce nitrogen loss and support crop nutrient uptake. Thio-Sul is a liquid ammonium thiosulfate fertilizer that supplies immediately available nitrogen and sulfur. With a 12-0-0-26S analysis, it can be added to UAN to help reduce nitrogen loss and support crop nutrient uptake. It can be applied through most irrigation systems and is easy to mix and handle with most liquid fertilizers. - **Nitrogen and sulfur nutrition** — Supply Essential Crop Nutrients - **Nitrogen use efficiency** — Improve Nitrogen Use Efficiency - **12-0-0-26S analysis** — Deliver Nitrogen And Sulfur - **AAPFCO nitrification inhibitor listing** — Use AAPFCO-Listed Inhibition - **Liquid fertilizer compatibility** — Blend With Liquid Fertilizers - **Phosphorus uptake support** — Support Phosphorus Uptake - **Citrus greening support** — Help Combat Citrus Greening - **Irrigation system application** — Apply Through Irrigation Systems - **Ammonium thiosulfate fertilizer experience** — Rely On Decades Of Experience - **High-pH soil structure improvement** — Improve High-pH Soil Structure - **Water infiltration enhancement** — Enhance Water Infiltration - **Crop residue breakdown support** — Assist Crop Residue Breakdown - **Mixing and handling** — Simplify Mixing And Handling ### [KTS | Potassium Thiosulfate](https://www.tessenderlokerley.com/north-america/kts) *Service* Supplies immediately available potassium and sulfur while helping crops manage stress and growers reduce nitrogen loss. KTS is a highly soluble, chloride-free liquid fertilizer containing immediately available potassium and sulfur, with an analysis of 0-0-25-17S. Described as the highest-analysis liquid potassium and sulfur source on the market, it supports crop fertility programs that require defined amounts of these nutrients, including starter and side-dress applications. KTS can be tank mixed with liquid nitrogen and phosphorus fertilizers and applied through all types of irrigation systems. Its nitrification inhibition properties can reduce nitrogen loss, while it can also support soil structure, water infiltration, residue breakdown, and crop nitrogen uptake. - **Potassium and sulfur nutrition** — Supply Essential Potassium And Sulfur - **Nitrogen loss reduction** — Reduce Nitrogen Loss - **High-analysis liquid formulation** — Deliver Concentrated Potassium And Sulfur - **Drought stress support** — Support Crop Stress Tolerance - **Irrigation application** — Apply Through Irrigation Systems - **Soluble, chloride-free formulation** — Apply A Soluble, Chloride-Free Source - **Targeted fertility applications** — Target Potassium And Sulfur Applications - **Liquid fertilizer compatibility** — Blend With Liquid Fertilizers - **Nitrogen uptake enhancement** — Enhance Crop Nitrogen Uptake - **High-pH soil structure improvement** — Improve High-pH Soil Structure - **Water infiltration enhancement** — Enhance Water Infiltration - **Crop residue breakdown** — Assist Crop Residue Breakdown ### [CaTs® (Calcium Thiosulfate)](https://www.tessenderlokerley.com/north-america/cats) *Service* Helps growers supply calcium and sulfur, manage soil salts and water infiltration, reduce nitrogen losses, and support crop quality and storability. CaTs is a 100% soluble calcium thiosulfate fertilizer with a 0-0-0-10S-6Ca analysis. It supplies readily available calcium and sulfur, helps displace salts from the root zone, improve water infiltration, and reduce ammonia loss from urea. When added to UAN, its nitrification inhibition properties slow the conversion of ammonium to nitrate, helping reduce nitrogen leaching and denitrification. CaTs can be applied through all types of irrigation systems and is described as a dual nutrient source-acidifier for combating citrus greening. - **Calcium and sulfur nutrition** — Supply Readily Available Calcium And Sulfur - **Salt displacement from the root zone** — Displace Harmful Salts From The Root Zone - **Nitrogen loss reduction** — Reduce Nitrogen Leaching And Denitrification - **Water infiltration improvement** — Improve Water Infiltration - **Fruit, vegetable, and nut quality** — Improve Produce Density, Firmness, And Appearance - **Crop storability and shelf life** — Extend Crop Storability And Shelf Life - **Ammonia loss reduction** — Reduce Ammonia Loss From Urea - **Nitrogen uptake enhancement** — Enhance Crop Nitrogen Uptake - **Citrus greening support** — Support Citrus Greening Management - **Calcium and sulfur analysis** — Deliver A 0-0-0-10S-6Ca Analysis - **Soil structure improvement** — Improve Soil Structure In High-pH Soils - **Nitrogen- and chloride-free formulation** — Tank Mix With UAN Or Liquid Urea - **Crop residue breakdown** — Assist Previous Crop Residue Breakdown ### [N-Sure](https://www.tessenderlokerley.com/north-america/n-sure) *Service* N-Sure provides flexible soil and foliar nitrogen application, supporting gradual nutrient availability and direct leaf uptake. N-Sure is a high-analysis, 28-0-0 nitrogen fertilizer featuring Triazone nitrogen. Applied to soil, its nitrogen is released gradually through microbial activity; applied to foliage, it acts as a humectant to keep leaf surfaces moist longer and support direct uptake into leaf tissue. N-Sure can be mixed with UAN solution in any ratio and applied through all types of irrigation systems. - **Dual soil and foliar uptake** — Support Soil And Foliar Nitrogen Uptake - **Extended nitrogen release** — Provide Nitrogen Release For Up To 10 Weeks - **Leaching-resistant Triazone nitrogen** — Resist Nitrogen Leaching - **Leaf coverage and nitrogen absorption** — Improve Leaf Coverage And Nitrogen Absorption - **Fertilizer and crop protection compatibility** — Blend With UAN And Many Crop Protection Products - **28-0-0 nitrogen analysis** — Supply Nitrogen In A 28-0-0 Analysis - **Irrigation application** — Apply Through All Types Of Irrigation Systems ### [K-Row 23](https://www.tessenderlokerley.com/north-america/krow23) *Service* Provides seed-safe potassium and sulfur at germination to support early plant uptake and help protect young seedlings from environmental risks. K-Row 23 is a liquid potassium and sulfur fertilizer that delivers seed-safe, plant-available nutrients at germination. Used as an in-furrow starter fertilizer, it supports early nutrient uptake and helps protect young seedlings from environmental risks. Its low salt-out temperature is suited to early-season planting conditions. K-Row 23 can be blended with UAN and ammonium polyphosphate solutions and is available for multiple application methods. Its analysis is 0-0-23-8S. - **Seed-safe potassium and sulfur nutrition** — Supply Seed-Safe Potassium And Sulfur - **In-furrow nutrient delivery** — Support Early Plant Nutrient Uptake - **Low salt-out temperature** — Support Early-Season Planting - **Fertilizer blending compatibility** — Blend With UAN And Ammonium Polyphosphate - **Multiple application methods** — Apply Using Multiple Methods - **Nutrient exposure** — Increase Crop Nutrient Exposure - **Potassium and sulfur analysis** — Deliver 23-8S Fertilizer Analysis ### [P-Sure](https://www.tessenderlokerley.com/north-america/products/crop-nutrition/p-surer) *Product* Supplies liquid nitrogen and phosphorus in a fertilizer available to growers in Mexico. P-Sure is a liquid nitrogen and phosphorus fertilizer available in Mexico. - **Liquid nitrogen and phosphorus** — Supply Nitrogen And Phosphorus ### [SoluPotasse](https://www.tessenderlokerley.com/north-america/products/crop-nutrition/solupotasse) *Product* SoluPotasse supplies soluble potassium and sulfur while supporting crop stress resistance, nutrient availability, and fertigation across a range of crops. SoluPotasse is a water-soluble sulfate of potash fertilizer supplying potassium and sulfur in sulfate form. It contains 51.5% potash (K2O w/w) and 18.7% sulfur (S w/w) and can be used for fertigation across a wide variety of crops. It dissolves rapidly and completely without leaving residues, and can be applied through drip, micro-sprinkler, sprinkler, flood irrigation, or pivot systems. Its lower-pH solution supports phosphorus, iron, and other micronutrient availability and helps prevent dripper clogging. SoluPotasse has a low salt index, virtually no chloride, and no nitrates. It can be blended with most fertilizers, except those containing calcium. - **Potassium and sulfur supply** — Supply Soluble Potassium And Sulfur - **Rapid, complete dissolution** — Dissolve Quickly And Completely - **Multiple irrigation methods** — Apply Through Multiple Irrigation Systems - **Micronutrient availability** — Improve Nutrient Availability - **Residue-free dissolution** — Leave No Dissolution Residues - **Dripper clogging prevention** — Help Prevent Dripper Clogging - **Low salt index** — Provide A Low Salt Index - **Produce transport and storage resistance** — Increase Resistance To Transport Damage - **Crop stress resistance** — Boost Crop Stress Resistance - **Chloride- and nitrate-free composition** — Avoid Chloride And Nitrate Inputs - **Fertilizer compatibility** — Blend With Most Other Fertilizers ### [GranuPotasse](https://www.tessenderlokerley.com/north-america/sop) *Service* Supplies potassium and sulfur while supporting crop stress resistance, storage quality, and flexible fertilizer blending. GranuPotasse is a high-grade granular sulfate of potash fertilizer containing 50% potash (K2O w/w) and 18% sulfur (S w/w). It is suitable for direct soil application or bulk blending with other fertilizers to create NPK formulas tailored to crop needs and local soil conditions. Its free-flowing, dust-free granules, extremely low salt index, and performance in alkaline or acidic soils make it suitable for a wide variety of crops. - **Potassium and sulfur supply** — Supply Potassium And Sulfur - **Granular fertilizer blending** — Create Tailored NPK Formulas - **Direct soil application** — Apply Directly To Soil - **Free-flowing, dust-free granules** — Handle Free-Flowing, Dust-Free Granules - **Low salt index** — Use An Extremely Low Salt Index - **Soil pH adaptability** — Perform In Alkaline Or Acidic Soils - **Crop stress resistance** — Boost Crop Stress Resistance - **Transport and storage protection** — Reduce Crop Damage During Transport And Storage - **Low chloride and nitrate content** — Avoid Chloride And Nitrates ### [K-Leaf](https://www.tessenderlokerley.com/north-america/products/crop-nutrition/k-leafr) *Product* Helps growers address potassium deficiency, support crop yield and quality, and protect produce during transport and storage. K-Leaf is a concentrated potassium booster developed for foliar application on broad-acre crops, fruit, and vegetables. It contains 52% potash (K₂O w/w) and 18.8% sulfur (S w/w), and can be applied at higher doses than certain other foliar potassium fertilizers. Designed for complementary foliar sprays during periods of peak crop potassium demand, it helps growers produce high-quality crops with maximum export value. K-Leaf is not available in the United States. - **Potash and sulfur supply** — Supply Concentrated Potash And Sulfur - **Foliar potassium application** — Apply Potassium To Broad Crop Groups - **Peak-demand potassium support** — Target Potassium During Peak Demand - **Potassium deficiency treatment** — Treat Potassium Deficiency Rapidly - **Crop yield improvement** — Improve Crop Yield - **Crop quality improvement** — Improve Crop Quality - **Crop stress resistance** — Boost Crop Stress Resistance - **Foliar fertilizer compatibility** — Blend With Compatible Foliar Products - **Rapid dissolution** — Dissolve Rapidly Without Residue - **Spray nozzle clogging reduction** — Reduce Spray Nozzle Clogging Risk - **Chloride-free and nitrate-free formulation** — Avoid Nitrates And Nearly All Chloride - **Transport damage resistance** — Reduce Crop Damage During Transport - **Storage damage resistance** — Reduce Crop Damage During Storage ### [Industrial fabrication](https://www.tessenderlokerley.com/north-america/markets/industrial-fabrication) *Service* Customers get tailored, code-compliant fabrication supported by engineering, inspection, and project services from design through installation. Tessenderlo Kerley provides industrial fabrication and welding services from its Carlsbad, New Mexico facility, serving internal operations and third-party clients since 1982. Its work includes ASME code vessels and API tanks, piping systems, modular skids, structural steel assemblies, and electrical and instrument panels. The facility spans more than 30,000 square feet on a 21-acre site and has two 10-ton overhead cranes. In-house design and drafting professionals, mechanical and chemical engineers, and certified welding inspectors support projects from concept through completion and installation. The facility holds ASME U and S certification and the National Board R symbol stamp for repairs and alterations. - **Custom fabrication** — Build To Project Requirements - **ASME code and standards compliance** — Meet Applicable Code Requirements - **Engineering, design and drafting** — Support Projects From Concept - **Welding inspection and quality assurance** — Verify Welding Quality - **End-to-end project support** — Carry Projects Through Installation - **Welding process range** — Choose From Multiple Welding Processes - **Equipment repair and modification** — Repair And Modify Equipment - **Large-project handling capacity** — Handle Complex Fabrication Projects - **Modular skid fabrication** — Design And Install Modular Skids ### [Sulfur recovery and processing services](https://www.tessenderlokerley.com/north-america/markets/sulfur-manufacturing) *Service* Recover and process sulfur into high-value products through efficient, reliable operations that support agricultural, industrial, and community needs. Tessenderlo Kerley operates sulfur recovery plants at locations throughout the United States and partners with refineries to recover sulfur and process sulfur-containing gas streams. Combined Claus and tail gas units can achieve up to 99.9% sulfur recovery. The company upgrades off-gases into value-added products and provides emission control for sulfuric acid plants, smelters, power plants, and mercaptan processing plants. Its integrated operations span recovery and processing through manufacturing, distribution, and customer support, guided by safety, reliability, and operational excellence. - **High-rate sulfur recovery** — Recover Up To 99.9% Of Sulfur - **Sulfur recovery plant operations** — Operate Efficient, Cost-Competitive Recovery Plants - **Sulfur-containing gas stream processing** — Upgrade Off-Gases Into Value-Added Products - **Integrated sulfur recovery and supply chain** — Connect Recovery With Manufacturing And Distribution - **Reliable refinery operations** — Maintain High Uptime And Lower Maintenance Costs - **Emissions control** — Control Emissions Across Industrial Facilities - **Safety-led operations** — Guide Operations With Safety And Reliability ## Sources - [Tessenderlo Kerley](https://tessenderlokerley.com) - [Crop protection portfolio](https://www.tessenderlokerley.com/north-america/crop-protection) - [Thio-Sul](https://www.tessenderlokerley.com/north-america/thio-sul) - [KTS | Potassium Thiosulfate](https://www.tessenderlokerley.com/north-america/kts) - [CaTs® (Calcium Thiosulfate)](https://www.tessenderlokerley.com/north-america/cats) - [N-Sure](https://www.tessenderlokerley.com/north-america/n-sure) - [K-Row 23](https://www.tessenderlokerley.com/north-america/krow23) - [P-Sure](https://www.tessenderlokerley.com/north-america/products/crop-nutrition/p-surer) - [SoluPotasse](https://www.tessenderlokerley.com/north-america/products/crop-nutrition/solupotasse) - [GranuPotasse](https://www.tessenderlokerley.com/north-america/sop) - [K-Leaf](https://www.tessenderlokerley.com/north-america/products/crop-nutrition/k-leafr) - [Industrial fabrication](https://www.tessenderlokerley.com/north-america/markets/industrial-fabrication) - [Sulfur recovery and processing services](https://www.tessenderlokerley.com/north-america/markets/sulfur-manufacturing)