CROP NUTRITION EXPERTISE AND INFORMATION.
SUL4R-PLUS Sustainability: The Carbon Footprint of Commonly Used Fertilizers
SUL4R-PLUS Sustainability: The Carbon Footprint of Commonly Used Fertilizers Travis Banet, PhD (Integrated Plant and Soil Sciences)SUL4R-PLUS Manager of Research and Development In 2025, SUL4R-PLUS partnered with Tunley Environmental to...
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SUL4R-PLUS® Sustainability: Carbon Footprint and Life Cycle Analysis
SUL4R-PLUS® Sustainability: Carbon Footprint and Life Cycle Analysis Travis Banet, PhD (Integrated Plant and Soil Sciences)SUL4R-PLUS Manager of Research and Development In 2025, SUL4R-PLUS partnered with Tunley Environmental to answer...
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Calcium Clarified: Soybeans
As the quest for higher-yielding soybeans advances, balanced fertility will be required to push yields higher. Proper crop nutrition goes beyond the macronutrients of nitrogen (N), phosphorus (P) and potassium...
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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...
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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...
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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.
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SUL4R-PLUS vs. AMS Fertilizer
When compared to AMS fertilizers, SUL4R-PLUS is simply the smarter option. Our fertilizer is designed to deliver nutrients to crops when they need them most—plus it comes with cost saving...
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Improve Soil Health & Crop Yields With Low Salt Fertilizer: See the Field Trial Results
Fertilizer is an essential component of modern agriculture, providing the essential nutrients for plants to grow and thrive. However, not all fertilizers are created equal, and some can have negative...
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Latest Corn Field Trials Show Strong Cost Savings
We recently completed a field trial on corn coordinated with Meyer Farms of Addieville, Illinois and the results are in! This trial compared the yields using our patented SUL4R-PLUS product...
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Trials Continue to Show Improved Yields by Adding SUL4R-PLUS
The results are in from our 2022 corn field trials conducted in Western Kentucky! These trials demonstrated that SUL4R-PLUS can improve corn yields while also increasing nitrogen uptake efficiency and...
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Weathering the Storm with Consistency
By now you’re most likely aware of current global fertilizer trends, as spikes in pricing and decrease in supply have affected the whole industry. You also know that fertilizers provide...
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Bulk Up Your Winter Wheat: Increase Protein with SUL4R-PLUS
SUL4R-PLUS can help North American wheat producers this winter. Thanks to season long plant-available nutrients, our fertilizer not only improves yield, it also improves the quality and protein content of...
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Essential product information and safety data is important to have on hand. Simply download the resources you need any time.
SAFETY DATA SHEET
Everything you need to know about SUL4R-PLUS to ensure safe, effective use, including (but not limited to): recommended use, restrictions on use, composition, hazardous identification, handling, and storage.
SALT INDEX AND FERTILIZER BURN FACT SHEET
Gain a deeper understanding of salt index, how it can impact plant cells and the benefits of a low salt index fertilizer like SUL4R-PLUS.
COMPARISON CHART
Get a side-by-side view of how SUL4R-PLUS stacks up against AMS.
GRANULAR ANALYSIS
Take a look at SUL4R-PLUS at the granular level. Get a quick, by-the-numbers breakdown of everything from calcium and sulfur to crush strength and bulk density.
4.25 BU/A YIELD ADVANTAGE
97% of our soil samples (were) coming back as low to deficient in sulfur…Since using SUL4R-PLUS fertilizer, our trials have shown a better stand and healthier soybean plant early on. In three of three comparisons, it has translated to an average of 4.25 bushels/acre yield advantage where we applied SUL4R-PLUS’ patented fertilizer.