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It’s Aerification Season. Are You Ready?

Posted by Tony Goldsby, Agronomist on August 01, 2019

Determining the right fertility approach for your aerification program can be a difficult task. The choice to apply fertilizer before, during and/or after mechanical aerification provides unique options for ensuring your turf recovers quickly.

Below, we’ve outlined a collection of our premium products best suited for fall aerification applications.


Genesis Rx 5-7-5 is an all-in-one fertility and soil amendment product for easy application in conjunction with aerification. This product is a high-quality NPK fertility blend containing secondary and minor elements and utilizing our patented Dispersing Granule (DG) Technology. 

This unmatched combination provides turfgrass with the nutrition needed for recovery from aerification stress, along with sustained feeding. We further value engineered this product by adding 21.5% Humic DG™ (by weight) in the bag to deliver soil microorganisms the carbon-rich food source they desire.

APPLICATION
Genesis Rx is recommended for application following your normal aerification program. Typical application rates range from 5-20 pounds of product per 1000 ft2. Product may be broadcast applied and placed into aerification holes via drag mat or broadcast applied in conjunction with sand topdressing. For complete application instructions, consult product label.


Contec DG 18-9-18 is one of the most popular greens formulations in our premium fertility offering. Many golf course superintendents already use this product in their baseline fertilizer programs, making it an easy addition to aerification programs. 

APPLICATION
Contec DG 18-9-18 can be applied in preparation for aerification at a rate of 2 pounds of product per 1000 ft2. For complete application instructions, consult product label.


Humic DG is a powerful humic acid-based soil amendment perfect for application following aerification or other intensive maintenance practices. Humic acid is a natural soil conditioner, organic chelator, and microbial stimulator. Containing all three humic fractions (fulvic acid, humic acid, and humins) delivered with a dispersing granule, Humic DG is the perfect counterpart for sand topdressing or in conjunction with other premium aerification products such as Genesis Rx 5-7-5.

WHY HUMIC ACID?
Humic acid is a natural soil conditioner, organic chelator, and microbial stimulator that provides the following benefits:

  • Supplies an oxidized, soluble carbon source, leading to improvement in long-term soil pH
  • Enhances efficiency of applied nutrients and increases availability of soil phosphorus
  • Retains soil moisture and enables better water penetration in the soil, resulting in reduced water requirement
  • Chelates soil micronutrients, increasing their availability

APPLICATION
Humic DG is recommended for application after aerification as a top-dress treatment. Typical application rates range from 1-2 lbs. of product per 1000 ft2, and can be mixed directly in with sand for easy application. For complete application instructions, consult product label.


Black Gypsum DG 21% is a unique soil amendment containing gypsum and humic acid in a homogenous dispersible granule. In past years, gypsum applications made with the anhydrite (CaSO4) form of calcium (one water molecule), could take weeks to become available for plant uptake. This prolonged uptake process severely limited a turfgrass manager’s ability to jumpstart the soil remediation process.

The gypsum source in Black Gypsum DG 21% is calcium sulfate dihydrite (CaSO42H20). With two extra water molecules, this form is more water soluble than the anhydrite form (CaSO4). This improved solubility means that uptake into the turfgrass plant occurs much quicker. The dihydrite form of gypsum also provides increased application flexibility for year-round soil remediation versus standard anhydrite forms of gypsum.

APPLICATION
Black Gypsum DG 21% is recommended for application after aerification as a top-dress treatment. Product is typically applied at 6 lbs. per 1000 ft2, and can be mixed directly in with sand for easy application. For complete application instructions, consult product label.


DG Lime and DG Gypsum are premium specialty soil amendments. DG Lime provides plant-essential calcium and magnesium, while increasing soil pH. In addition to calcium, DG Gypsum also provides sulfur, which stimulates soil microbiology while reducing soil pH. Both products feature Dispersing Granule Technology, which ensures quick breakdown of the granules with no residual left behind for potential mower pickup.

APPLICATION
DG Lime and DG Gypsum are recommended for application after aerification as a top-dress treatment. Typical application rates range from 25-40 lbs. per 1000 ft2, and can be mixed directly in with sand for easy application. For complete application instructions, consult product labels.

DG Lime

DG Gypsum

 

Basic Aerification Programs

Understanding that there are many ways to approach your aerification fertility program, we’ve outlined a few of the product combinations we recommend.

ONE PRODUCT // ONE APPLICATION
Genesis Rx 5-7-5
Apply at 15 lbs./1000 ft2 following aerification

ONE PRODUCT // TWO APPLICATIONS
Genesis Rx 5-7-5
Apply at 7.5 lbs./1000 ft2 two weeks prior to aerification
Apply at 7.5 lbs./1000 ft2 following aerification

TWO PRODUCTS // TWO APPLICATIONS
Contec DG 18-9-18
Apply at 2.0 lbs./1000 ft2 two weeks prior to aerification

Genesis Rx 5-7-5
Apply at 7.5 lbs./1000 ft2 following aerification

 



For more information on nitrogen release related to your aerification timing, consider using the Turf Nutrition Tool (TNT). With the TNT, you are able to run scenarios with several different products and application timings to assist in determining the combination that best suits your specific needs. The completely reimagined tool offers mobile-friendly access from any device, an easy-to-use interface, new product listings, and the ability to save and share created programs.


For More Information

Please complete the form below, and we’ll get you in touch with your Territory Manager from The Andersons.


Tony Goldsby

Anthony “Tony” Goldsby is the Research Agronomist for The Andersons Professional Products business, responsible for research, service, and technical support. Prior to joining The Andersons, Tony received both his master’s and doctorate degrees from Kansas State University with an emphasis in turfgrass management. Specializing in Integrated Pest Management (IPM) and turfgrass science and management, Tony is a firm believer in providing turfgrass education and enjoys helping customers establish or adjust their IPM or fertility programs.

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