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Welcome to
SUL4R-PLUS®

Our patented, dust-free, and low salt granular calcium-sulfate fertilizer is unlike anything else on the market.

SUL4R-PLUS makes your job easy in any environment and any soil type. Our specialized fertilizer helps crops reach their fullest yield potential by providing plant-available nutrition when the crops need it most. Plus, it improves the overall health of your soil.

SUL4R-PLUS Advantages

  • Plant Safe and Immediately Available Nutrition (Calcium, Sulfate, with Options for Boron and Zinc)
  • Quality and Consistency
  • Long Lasting – Gradual Release
  • Dust-free Handling and Storage
  • Fulvic acid binder (~ 8%) that improves overall soil health
 
 
 
 

Over 90% of our annual volume comes from repeat customers and last year, over 8 in 10 of those repeat orders increased their tonnage.

Try SUL4R-PLUS and see the difference.

 Research & Resources

Discover facts, figures, videos and news to help you do right by your field and get to the root of higher yields.

 

There’s no need to make your work harder than it needs to be. SUL4R-PLUS fertilizer provides dust-free handling and uniform feeding, so you and your team can enjoy a safer and healthier fertilizing process. Learn more about our proven results.

 Blog Posts

Explore our articles and dive into a world of insights, tips, and trends, designed to help you thrive in the field of agriculture.

 
Featured
Calcium Clarified: The Basics
Calcium Clarified: The Basics

Secondary nutrients, like calcium, are often overlooked, but actually serve important roles in crop production.

SUL4R-PLUS and HELM Crop Nutrition Americas Announce Exclusive Partnership
SUL4R-PLUS and HELM Crop Nutrition Americas Announce Exclusive Partnership

We are thrilled to announce our exclusive partnership with HELM Crop Nutrition Americas, a leading name in agricultural logistics and distribution

Employee Spotlight: Noah Binkley
Employee Spotlight: Noah Binkley

Noah Binkley, a Sales Manager with SUL4R-PLUS, has been an integral part of the team since 2021. With over 10 years of experience in the agriculture and fertilizer business, Noah brings invaluable expertise. 

SEE MORE POSTS

Testimonial

“The SUL4R-PLUS people were telling the truth. We saw elevated calcium and sulfur levels in the V-8 tissue samples and a 9 bu/acre yield bump on our 230 bu/acre corn at harvest. I am looking forward to using the SUL4R-PLUS B+Z product this coming season.”

— Richard “Dick” Fischer, City View Farms, Lewiston, MN