Explore expert research and resources.
Discover facts, figures, videos and news to help you do right by your field and get to the root of higher yields. You'll find agricultural practices that increase crop yields and much more.
Resources
Discover a wide range of resources, from field trials to comparison charts, aimed to provide you with valuable insights and knowledge when researching our product.
- Corn Trial Results, 2022
- Flat Branch Farms, Corn Trials
- Sul4R-Plus Comparison Chart
- Safety Data Sheet
- Granular Pellet Analysis
- AMS Comparison Chart
- SO4 Comparison Chart
- Symtrex Comparison Chart
- Fact Sheet: Salt Index & Fertilizer Burn
- Field Trials (2019)
- Field Trials (2018)
Videos
From captivating dust-free application footage to informative nutrient release curves, these videos offer a rich visual experience that showcases our products capabilities.
SUL4R-PLUS: Dust Free Formula Overview
SUL4R-PLUS, LLC is a fertilizer manufacturer, developing innovative agricultural products including patented granular calcium sulfate that is engineered to improve crop yield.
SUL4R-PLUS: Blend Loading Applicator
Improve employee safety and keep machinery clean, with SUL4R-PLUS’s patented dust-free formula. Watch to see how our fertilizer unloads.
SUL4R-PLUS Comparison
Watch how SUL4R-PLUS stands up to competitors. Our granular calcium sulfate fertilizer is the most versatile and easy-to-use form of calcium and sulfur in sulfate form available.
SUL4R-PLUS: Dust Free Unloading
Unlike ammonium sulfate applications and elemental sulfur, dust-free SUL4R-PLUS handles like a dream—a huge operational advantage for you. See for yourself.
Nutrient Release Curve
SUL4R-PLUS's slow-release technology provides immediate and long-term sulphate availability, with easy-to-use crop nutrients, delivered to plants when and how they need them.
This to These
SUL4R-PLUS sources by-products as raw materials, creating a circular economy where end-of-life by-products are given a new purpose as crop nutrients.
Testimonials
Hear directly from our customers as they share their success stories and showcase the positive impact our product has had on their businesses.
In the Media
Gain a deeper understanding of our business and product as you explore the engaging stories and perspectives shared by reputable publications.
Ag Retailers Plan to Spend More on Crop Nutrients in 2020
Want 200-Bu. Corn? You’ll Need 34 Pounds Of Sulfur Per Acre.
What About the 4Rs for Zinc Fertilization?
Diagnosing and Correcting Sulfur Deficiency in Crops
Assessing Your Need for Sulfur Application in Corn
By Eric Sfiligoj | January 20, 2020
Read More →Want 200-Bu. Corn? You’ll Need 34 Pounds Of Sulfur Per Acre.
AgWeb | April 21, 2019
Read More →What About the 4Rs for Zinc Fertilization?
By CropLife Staff | January 15, 2019
Read More →Diagnosing and Correcting Sulfur Deficiency in Crops
By CropLife Staff | February 27, 2019
Read More →Assessing Your Need for Sulfur Application in Corn
By University of Minnesota Extension | December 28, 2017
Read More →