The Primary Choice 

for Secondary Nutrients

SOLUTION

essential
nutrients

  • SULFUR
  • CALCIUM

ways to win

  • AGRONOMICALLY
  • EFFICIENTLY
  • ECONOMICALLY

  • HIGH-QUALITY

  • CONTROLLED-RELEASE

  • SOIL-STABLE

  • BLEND-FLEXIBLE

  • SOLUBLE

  • LOW SALT

  • DUST-FREE

  • HIGH-QUALITY

  • CONTROLLED-RELEASE

  • SOIL-STABLE

  • BLEND-FLEXIBLE

  • SOLUBLE

  • LOW SALT

  • DUST-FREE

  • HIGH-QUALITY

  • CONTROLLED-RELEASE

  • SOIL-STABLE

  • BLEND-FLEXIBLE

  • SOLUBLE

  • LOW SALT

  • DUST-FREE

  • HIGH-QUALITY

  • CONTROLLED-RELEASE

  • SOIL-STABLE

  • BLEND-FLEXIBLE

  • SOLUBLE

  • LOW SALT

  • DUST-FREE

  • HIGH-QUALITY

  • CONTROLLED-RELEASE

  • SOIL-STABLE

  • BLEND-FLEXIBLE

  • SOLUBLE

  • LOW SALT

  • DUST-FREE

  • HIGH-QUALITY

  • CONTROLLED-RELEASE

  • SOIL-STABLE

  • BLEND-FLEXIBLE

  • SOLUBLE

  • LOW SALT

  • DUST-FREE

PRODUCT BENEFITS

WHAT CROPS NEED. WHEN THEY NEED IT. ALL SEASON.

SUL4R-PLUS is a calcium sulfate fertilizer that combines two essential secondary nutrients in one uniform granule, delivering plant-available nutrition when the crop needs it throughout the season.

EXPLORE PRODUCTS
  • Water-soluble, immediately plant-available calcium and sulfur source.
  • Low salt index (<8) and neutral pH reduces soil, seed and plant health risk.
  • 75+ day continuous-release pellets align with crop demand & promote better nutrient cycling.
  • Enhances the uptake of other applied nutrients, including N-P-K.
  • Produced with the highest quality standards for consistent, reliable performance.
RESEARCH

SEE HOW SUL4R-PLUS CAN INCREASE YOUR YIELD.

EXPLORE TRIAL RESULTS
RESOURCES

Explore the vital roles calcium and sulfur play in crop growth and development for improved plant health and yields.

LEARN MORE

  • Calcium Clarified: Corn

    Calcium is an important nutrient for proper corn plant nutrition. Even though it is a secondary nutrient, calcium is critical for optimizing plant strength, ear and kernel development and plays a key role in numerous physiological processes throughout the plant.

    Read More

  • Calcium Clarified: Alfalfa

    Calcium is a vital nutrient that helps facilitate proper growth and function of alfalfa plants. From regulating cell division and cell wall development to facilitating nutrient uptake and metabolism, calcium is required for numerous physiological processes.

    Read More

  • Calcium Clarified: The Basics

    Optimal crop nutrition is more than just N, P and K. Secondary nutrients, like calcium, are often overlooked, but actually serve important roles in crop production.

    Read More
ABOUT SUL4R-PLUS

SMARTER, MORE SUSTAINABLE CROP NUTRITION.

We’re committed to achieving higher quality yields, without compromise. Explore our sustainable approach to crop nutrition, three ways growers win with SUL4R-PLUS and the team making it all happen.

LEARN MORE
ANSWERS AND EXPERTISE

BETTER NUTRIENT. BETTER RESULTS. WE’RE HERE TO HELP.

Fertilizer is a major investment. You want to make sure you’re making the right decisions to maximize yield potential & ROI. That’s where we can help. Complete the form below to get the answers you need.

BETTER TOGETHER

HELM® Americas Crop Nutrition is the exclusive distributor of SUL4R-PLUS, amplifying our reach to support our customers’ crop nutrition needs.

LEARN MORE