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Summer Stress Management

Proper foliar fertility applications are a cornerstone of summer stress management. Unbalanced fertility applications can sacrifice root growth for excessive top growth at a time when increased or sustained rooting amounts can help a turfgrass survive the heat and drought stress events of summer weather.

Much like the important roles nitrogen, phosphorus and potassium play in plant health, the importance of carbon cannot be denied. Carbon can actually act as a limiting nutrient if not maintained properly. With turfgrass constantly depleting carbon banks in soil, returning carbon can be a crucial step in building stronger, healthier turf better able to withstand summer stress.


Soil organic matter consists of plant and animal residues at various stages of decomposition. As much as 80% of this material is represented by humic substances, a highly-reactive, carbon-rich material that is recognized by most soil scientists and agronomists as the most important component of a healthy, fertile soil.[1]

Humic substances, including fulvic acids and humic acids, provide many benefits to both soil and plants, increasing soil microbial life, boosting cation exchange capacity (CEC) to prevent nutrient leaching, and improving water holding capacity. Humic acids enhance soil structure, support soil microbial activity, and increase micronutrient availability. This results in enhanced nutrient uptake, improved rooting, and healthier, stronger plants.




Humic Coated Urea (HCU 44-0-0) granules represent a sensible approach to nitrogen application, combining urea and humic acid in a 100% soluble granule featuring CarbonCoat™ Technology.

Compared to standard urea and stabilized urea sources, studies have shown the combination of urea and humic substances demonstrate increased overall rooting. Additionally, this combination has also been proven to provide more total root surface area than stabilized urea and is an excellent, cost-effective nutrition tool for combating the effects of summer stress in fairways through increased rooting, leading to improved nutrient and water use efficiency.


Utilizing the highest quality ingredients, our complete range of carbon-rich humate products includes granules (including fertilizer blends), soluble granules, and liquids. Explore the collection to find the perfect product for your summer fairway applications.

© 2021 The Andersons, Inc. All Rights Reserved. HCU is a registered trademarks of The Andersons, Inc.

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About the Author

Ben Pease, PhD

Ben Pease is the Agronomist for The Andersons Turf & Specialty business, responsible for research, service, and technical support. Ben received both his bachelor's and master's degrees from the University of Wisconsin, and earned his doctorate degree from Iowa State University. Ben has also served as the Assistant Superintendent for Cherokee Country Club (Madison, WI) and Whistling Straits Golf Courses (Sheboygan, WI). 

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